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Passage au Périhélie des Comètes |
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Passage au Périhélie des Comètes |
Un des phénomènes les plus impressionnants de l'Univers nous dévoile peu à peu tous ses secrets.
Crainte de mauvais présages dans l'Antiquité, supposées maintenant avoir joué un rôle majeur dans le développement de la vie sur Terre, les comètes sont une éternelle source d'études et de fascination pour les astronomes amateurs comme pour les professionnels.
Fourmillant de conseils pratiques et d'anecdotes, le livre de Michel Ory nous immerge dans la vie quotidienne de ces chasseurs de comètes. Comment en découvrir une ? Comment se la faire attribuer ? Peut-on déterminer son orbite, calculer sa trajectoire, anticiper son retour ?
On découvre une communauté internationale de passionnés qui, depuis longtemps, contribue sans relâche à l'étude de ces phénomènes célestes. De nombreuses photos et des illustrations réalisées par le dessinateur de presse Pitch Comment viennent enrichir l'ensemble.
Professeur de physique au lycée cantonal de Porrentruy, ancien journaliste et astronome amateur passionné, Michel Ory écume les observatoires aux quatre coins du globe, à la recherche de ces phénomènes célestes. En 2008, par la découverte de 304P/Ory, il intègre la « communauté » des chasseurs/découvreurs de comètes.
Sommaire : 1. Découvrir sa première comète – 2. Origine et nature des comètes – 3. Les étoiles filantes, des poussières de comètes – 4. Cometography, la référence mondiale – 5. Mes amateur(e)s stars – 6. Souvent perdues, parfois retrouvées – 7. Ils ont décroché le jackpot – 8. L'affaire Bappu et la légende Ikeya – 9. Une comète pour la science – 10. Comment observer les comètes depuis son jardin ? – 11. Voir la prochaine grande comète – Annexe. Où évoluent les comètes dans le système solaire ? – Bibliographie – Glossaire – Index
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Date de Passage au Périhélie des Comètes d'après les données provenant de l'IAU - Minor Planet Center - Central Bureau for Astronomical Telegrams
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Date de passage au plus près du Soleil Nom Magnitude prévue Distance au Soleil (en millions de km) Période (en années) 20/12/1992 109P Swift-Tuttle 4.9 145.444 134.13 19/ 9/1994 141P-E Machholz 6.9 112.577 5.23 19/ 9/1994 141P-F Machholz 6.9 112.577 5.22 19/ 9/1994 141P-G Machholz 6.9 112.576 5.21 2/10/1995 122P de Vico 5.2 98.658 74.05 7/ 4/2000 C/1999 J2 Skiff 14.6 1059.724 --- 14/ 6/2000 165P LINEAR 20.0 1014.609 75.19 25/ 3/2001 167P CINEOS 20.3 1779.960 65.51 12/ 3/2002 153P Ikeya-Zhang 5.4 74.312 358.79 6/ 6/2002 166P NEAT 19.6 1278.173 51.50 24/ 9/2003 C/2002 J4 NEAT 13.9 550.383 --- 5/11/2003 C/2003 A2 Gleason 19.4 1699.254 --- 11/ 2/2006 C/2002 VQ94 LINEAR 17.7 1010.414 2553.44 5/ 6/2006 73P-BS Schwassmann-Wachmann 5.7 140.511 5.36 6/ 6/2006 73P-AF Schwassmann-Wachmann 5.6 140.850 5.38 6/ 6/2006 73P-AP Schwassmann-Wachmann 5.6 140.507 5.36 6/ 6/2006 73P-AR Schwassmann-Wachmann 5.6 140.540 5.36 6/ 6/2006 73P-AS Schwassmann-Wachmann 5.7 140.507 5.36 6/ 6/2006 73P-AT Schwassmann-Wachmann 5.7 140.511 5.36 6/ 6/2006 73P-AV Schwassmann-Wachmann 5.7 140.521 5.36 6/ 6/2006 73P-AZ Schwassmann-Wachmann 5.7 140.570 5.36 6/ 6/2006 73P-BA Schwassmann-Wachmann 5.7 140.589 5.36 6/ 6/2006 73P-BC Schwassmann-Wachmann 5.6 140.513 5.36 6/ 6/2006 73P-BD Schwassmann-Wachmann 5.7 140.622 5.37 6/ 6/2006 73P-BE Schwassmann-Wachmann 5.6 140.488 5.36 6/ 6/2006 73P-BF Schwassmann-Wachmann 5.6 140.516 5.36 6/ 6/2006 73P-BR Schwassmann-Wachmann 5.7 140.504 5.36 7/ 6/2006 73P-P Schwassmann-Wachmann 5.5 140.511 5.36 7/ 6/2006 73P-Q Schwassmann-Wachmann 5.5 140.543 5.36 7/ 6/2006 73P-AO Schwassmann-Wachmann 5.4 141.244 5.40 7/ 6/2006 73P-AQ Schwassmann-Wachmann 5.4 140.517 5.36 7/ 6/2006 73P-AW Schwassmann-Wachmann 5.5 140.553 5.36 7/ 6/2006 73P-BB Schwassmann-Wachmann 5.6 140.490 5.36 8/ 6/2006 73P-G Schwassmann-Wachmann 5.5 140.502 5.36 8/ 6/2006 73P-H Schwassmann-Wachmann 5.4 140.501 5.36 8/ 6/2006 73P-J Schwassmann-Wachmann 5.5 140.571 5.36 8/ 6/2006 73P-K Schwassmann-Wachmann 5.5 140.478 5.36 8/ 6/2006 73P-L Schwassmann-Wachmann 5.4 140.495 5.36 8/ 6/2006 73P-M Schwassmann-Wachmann 5.4 140.492 5.36 8/ 6/2006 73P-N Schwassmann-Wachmann 5.4 140.504 5.36 8/ 6/2006 73P-R Schwassmann-Wachmann 5.5 140.500 5.36 8/ 6/2006 73P-S Schwassmann-Wachmann 4.8 148.075 5.80 8/ 6/2006 73P-V Schwassmann-Wachmann 5.6 136.463 5.13 8/ 6/2006 73P-W Schwassmann-Wachmann 5.4 140.486 5.36 8/ 6/2006 73P-X Schwassmann-Wachmann 5.4 140.497 5.36 8/ 6/2006 73P-Y Schwassmann-Wachmann 5.3 140.499 5.36 8/ 6/2006 73P-Z Schwassmann-Wachmann 5.4 140.929 5.38 8/ 6/2006 73P-AB Schwassmann-Wachmann 5.4 140.490 5.36 8/ 6/2006 73P-AC Schwassmann-Wachmann 5.4 140.508 5.36 8/ 6/2006 73P-AD Schwassmann-Wachmann 5.3 140.880 5.38 8/ 6/2006 73P-AE Schwassmann-Wachmann 5.4 140.490 5.36 8/ 6/2006 73P-AH Schwassmann-Wachmann 5.3 141.067 5.39 8/ 6/2006 73P-AI Schwassmann-Wachmann 5.3 140.500 5.36 8/ 6/2006 73P-AJ Schwassmann-Wachmann 5.3 140.527 5.36 8/ 6/2006 73P-AK Schwassmann-Wachmann 5.4 140.511 5.36 8/ 6/2006 73P-AL Schwassmann-Wachmann 5.4 140.464 5.36 8/ 6/2006 73P-AM Schwassmann-Wachmann 5.4 140.492 5.36 8/ 6/2006 73P-AN Schwassmann-Wachmann 5.4 140.483 5.36 8/ 6/2006 73P-AU Schwassmann-Wachmann 5.5 140.516 5.36 8/ 6/2006 73P-AY Schwassmann-Wachmann 5.3 140.509 5.36 8/ 6/2006 73P-BG Schwassmann-Wachmann 5.3 140.504 5.36 8/ 6/2006 73P-BH Schwassmann-Wachmann 5.4 140.439 5.35 8/ 6/2006 73P-BI Schwassmann-Wachmann 5.4 140.487 5.36 8/ 6/2006 73P-BJ Schwassmann-Wachmann 5.4 140.501 5.36 8/ 6/2006 73P-BK Schwassmann-Wachmann 5.3 140.532 5.36 8/ 6/2006 73P-BL Schwassmann-Wachmann 5.3 140.520 5.36 8/ 6/2006 73P-BM Schwassmann-Wachmann 5.3 140.580 5.36 8/ 6/2006 73P-BN Schwassmann-Wachmann 5.5 140.481 5.36 8/ 6/2006 73P-BO Schwassmann-Wachmann 5.4 140.493 5.36 8/ 6/2006 73P-BP Schwassmann-Wachmann 5.4 140.489 5.36 8/ 6/2006 73P-BQ Schwassmann-Wachmann 5.4 140.474 5.36 9/ 6/2006 73P-U Schwassmann-Wachmann 5.4 140.565 5.36 9/ 6/2006 73P-AA Schwassmann-Wachmann 5.3 140.480 5.36 9/ 6/2006 73P-AG Schwassmann-Wachmann 5.4 140.504 5.36 9/ 6/2006 73P-AX Schwassmann-Wachmann 5.2 140.495 5.36 29/ 8/2006 177P Barnard 14.1 167.924 121.34 14/ 6/2007 C/2007 D1 LINEAR 17.7 1307.330 43716.52 22/ 8/2008 C/2008 E1 Catalina 17.5 719.909 35.31 4/ 9/2008 C/2007 S2 Lemmon 18.0 827.951 44.16 17/ 4/2009 C/2009 G1 STEREO 10.6 169.842 --- 3/10/2009 C/2007 Q3 Siding Spring 10.4 334.748 --- 3/ 2/2011 C/2010 B1 Cardinal 14.2 441.547 --- 25/ 5/2011 A/2010 LN135 17.2 261.430 --- 6/10/2011 P/2012 C3 PANSTARRS 21.6 539.439 30.44 6/11/2011 C/2012 KA51 18.9 728.108 12318.45 14/ 7/2012 96P-C Machholz 0.4 19.147 5.23 21/12/2012 273P Pons-Gambart 11.7 121.667 180.35 15/ 2/2013 P/2013 P1 PANSTARRS 20.5 511.085 25.19 10/ 4/2014 P/2015 D5 Kowalski 18.9 679.803 26.75 20/ 6/2014 P/2014 L3 Hill 18.9 280.333 23.41 24/ 8/2014 P/2011 S1 Gibbs 20.5 1027.639 25.21 9/ 2/2015 P/2015 B4 Lemmon-PANSTARRS 18.9 556.394 24.80 23/ 2/2015 P/2015 A3 PANSTARRS 22.1 174.372 21.85 19/ 4/2015 174P Echeclus 17.3 877.549 35.29 24/ 8/2015 141P-H Machholz 17.3 113.932 5.22 6/ 9/2015 P/2015 B1 PANSTARRS 20.5 897.159 29.16 13/ 9/2015 P/2015 Q2 Pimentel 18.2 272.272 19.92 8/10/2015 P/2015 W2 Catalina 18.8 398.075 19.70 22/10/2015 318P McNaught-Hartley 15.6 367.390 20.60 17/ 3/2016 332P-B Ikeya-Murakami 20.3 235.301 5.41 17/ 3/2016 332P-D Ikeya-Murakami 20.3 235.177 5.41 17/ 3/2016 332P-E Ikeya-Murakami 22.3 235.337 5.41 17/ 3/2016 332P-F Ikeya-Murakami 22.3 236.992 5.63 17/ 3/2016 332P-I Ikeya-Murakami 20.8 235.328 5.41 17/ 3/2016 332P-J Ikeya-Murakami 20.8 235.672 5.50 19/ 3/2016 332P-G Ikeya-Murakami 20.1 231.826 5.33 12/ 4/2016 C/2016 J2 Denneau 18.4 223.846 --- 21/ 4/2016 P/2017 G1 PANSTARRS 19.8 375.626 19.29 10/ 9/2016 P/2017 D4 PANSTARRS 20.2 416.708 20.71 13/10/2016 314P Montani 19.0 630.475 19.52 3/11/2016 P/2015 TP200 LINEAR 18.5 502.643 19.57 5/ 1/2017 P/2017 B4 PANSTARRS 20.5 419.008 9.26 27/ 2/2017 P/2016 WM48 Lemmon 19.3 263.864 23.37 20/ 3/2017 P/2016 S1 PANSTARRS 17.8 355.978 23.76 26/ 4/2017 P/2016 A3 PANSTARRS 19.9 721.282 22.07 4/ 6/2017 334P NEAT 20.1 661.505 17.83 10/ 6/2017 P/2017 G2 PANSTARRS 19.7 421.956 22.78 18/ 6/2017 352P Skiff 19.2 382.432 17.17 9/ 9/2017 1I `Oumuamua 20.4 38.280 --- 6/ 2/2018 P/2017 Y3 Leonard 18.5 190.981 30.65 26/ 2/2018 P/2017 W3 Gibbs 18.7 576.507 21.86 12/ 5/2018 66P duToit 16.2 195.288 14.96 12/ 6/2018 370P NEAT 19.6 370.832 16.34 18/ 6/2018 P/2017 P1 PANSTARRS 21.0 818.854 22.29 20/ 6/2018 P/2002 EJ57 LINEAR 19.3 392.119 16.40 23/ 6/2018 P/2017 TW13 Lemmon 18.9 308.968 19.07 6/10/2018 P/2018 V5 Trujillo-Sheppard 22.4 704.434 26.92 5/11/2018 C/2018 S2 TESS 18.4 821.583 54.47 6/11/2018 P/2018 P4 PANSTARRS 20.1 551.970 17.33 13/11/2018 38P Stephan-Oterma 9.1 236.332 37.81 24/11/2018 P/2019 A2 ATLAS 18.3 526.822 13.65 26/11/2018 C/2018 V2 ATLAS 20.1 372.817 126.91 29/11/2018 C/2018 L2 ATLAS 14.3 257.568 3603.60 3/12/2018 A/2019 G3 22.3 424.302 70.79 4/12/2018 C/2018 V1 Machholz-Fujikawa-Iwam 7.3 58.430 --- 10/12/2018 C/2018 F1 Grauer 19.1 447.422 3188.50 31/12/2018 C/2019 M3 ATLAS 18.0 362.723 --- 1/ 1/2019 C/2018 X3 PANSTARRS 20.1 403.164 43.74 4/ 1/2019 P/2018 Y2 Africano 19.7 580.114 20.37 8/ 1/2019 C/2018 A3 ATLAS 15.8 492.758 6433.83 10/ 1/2019 C/2018 R5 Lemmon 20.2 544.198 110.16 17/ 1/2019 C/2017 M4 ATLAS 14.1 484.038 --- 30/ 1/2019 C/2017 B3 LINEAR 15.3 588.368 --- 3/ 2/2019 C/2018 Y1 Iwamoto 10.9 193.549 1420.40 25/ 2/2019 C/2018 P5 PANSTARRS 21.4 688.761 46.03 28/ 2/2019 C/2010 U3 Boattini 14.8 1262.489 --- 2/ 3/2019 C/2018 V4 Africano 20.1 479.369 3187.77 18/ 3/2019 C/2019 B1 Africano 18.9 239.963 1653.80 27/ 3/2019 C/2019 LB7 Kleyna 23.7 373.220 207.37 3/ 4/2019 C/2019 L2 NEOWISE 20.2 242.449 126.11 5/ 4/2019 C/2019 J1 Lemmon 17.8 371.216 541.43 26/ 4/2019 C/2019 H1 NEOWISE 19.0 275.230 3427.53 30/ 4/2019 C/2016 X1 Lemmon 19.2 1131.104 --- 1/ 5/2019 29P Schwassmann-Wachmann 15.7 866.906 14.91 8/ 5/2019 C/2019 D1 Flewelling 16.1 238.197 1591.21 9/ 5/2019 P/2019 GG21 PANSTARRS 20.5 590.340 20.41 13/ 5/2019 C/2018 W1 Catalina 17.6 202.146 101.39 2/ 6/2019 C/2019 JU6 ATLAS 18.5 303.875 --- 7/ 6/2019 C/2018 R3 Lemmon 12.0 192.192 --- 7/ 6/2019 C/2019 A5 PANSTARRS 21.6 944.389 99.74 15/ 6/2019 C/2019 K4 Ye 18.3 340.469 --- 20/ 6/2019 P/2019 LM4 Palomar 15.6 353.006 13.62 21/ 6/2019 C/2019 K5 Young 17.8 307.481 2180.84 26/ 6/2019 C/2020 A3 ATLAS 19.3 860.662 --- 30/ 6/2019 P/2021 J3 ATLAS 17.0 732.180 26.50 9/ 7/2019 C/2018 X2 Fitzsimmons 17.6 315.781 1675.04 10/ 7/2019 C/2018 A6 Gibbs 16.2 451.273 58.07 20/ 7/2019 C/2019 K8 ATLAS 19.1 478.528 --- 21/ 7/2019 C/2019 J2 Palomar 16.6 256.405 2025.06 23/ 7/2019 A/2019 Q2 19.2 188.610 450.80 24/ 7/2019 P/2019 X1 Pruyne 20.3 643.572 15.36 26/ 7/2019 388P Gibbs 18.2 298.434 12.00 27/ 7/2019 C/2019 A9 PANSTARRS 18.2 213.377 246.55 1/ 8/2019 C/2019 J3 ATLAS 18.6 353.260 --- 3/ 8/2019 P/2019 T5 ATLAS 18.6 227.881 22.66 6/ 8/2019 C/2019 L1 PANSTARRS 19.6 434.639 30.76 16/ 8/2019 C/2019 Y5 PANSTARRS 21.4 738.118 17995.33 17/ 8/2019 C/2018 DO4 Lemmon 17.2 362.331 129.01 22/ 8/2019 A/2019 N2 14.9 290.221 --- 29/ 8/2019 396P 21.5 592.888 17.73 5/ 9/2019 C/2018 W2 Africano 10.9 219.221 --- 6/ 9/2019 C/2020 R6 Rankin 18.5 469.657 4963.04 7/ 9/2019 C/2019 F2 ATLAS 18.0 334.897 67.36 8/ 9/2019 C/2018 KJ3 Lemmon 18.0 541.132 18028.66 9/ 9/2019 C/2019 M4 TESS 19.4 1374.960 --- 10/ 9/2019 A/2018 V3 16.0 198.889 1432.91 12/ 9/2019 376P LONEOS 19.5 418.627 13.81 16/ 9/2019 C/2017 U7 PANSTARRS 16.2 960.221 --- 24/ 9/2019 381P LINEAR-Spacewatch 19.9 341.533 19.10 20/10/2019 C/2020 B3 Rankin 21.2 497.769 --- 25/10/2019 C/2020 K7 PANSTARRS 20.2 955.669 920.35 8/11/2019 P/2019 T6 PANSTARRS 18.8 307.422 12.70 12/11/2019 C/2018 N2 ASASSN 12.8 469.109 --- 13/11/2019 P/2003 F2 NEAT 21.8 451.526 16.73 17/11/2019 155P Shoemaker 13.9 267.726 16.85 24/11/2019 P/2020 A4 PANSTARRS-Lemmon 21.2 424.015 23.49 30/11/2019 C/2018 F4 PANSTARRS 22.0 515.915 --- 30/11/2019 C/2018 F4-A 22.0 515.895 --- 30/11/2019 C/2018 F4-B 22.0 515.868 --- 30/11/2019 A/2020 A1 20.8 250.088 128.49 2/12/2019 401P McNaught 18.8 364.387 13.88 6/12/2019 C/2019 G2 PANSTARRS 20.1 345.018 8045.48 8/12/2019 2I Borisov 15.5 300.180 --- 21/12/2019 A/2020 H9 22.7 383.258 6306.96 23/12/2019 P/2020 M1 PANSTARRS 21.7 418.349 12.24 27/12/2019 A/2020 B1 21.8 260.190 375.97 31/12/2019 389P Siding Spring 20.1 247.807 13.36 7/ 1/2020 C/2020 A2 Iwamoto 14.5 145.900 --- 12/ 1/2020 101P Chernykh 16.3 351.978 14.03 24/ 1/2020 C/2020 Q2 PANSTARRS 21.9 810.743 34.52 27/ 1/2020 C/2020 B2 Lemmon 16.0 412.296 559.48 29/ 1/2020 P/2019 LD2 ATLAS 18.7 671.319 11.74 30/ 1/2020 101P-B Chernykh 14.8 352.734 14.09 10/ 2/2020 C/2019 K1 ATLAS 14.9 302.443 --- 11/ 2/2020 A/2019 O4 21.5 544.873 191.54 4/ 3/2020 C/2020 K4 PANSTARRS 20.9 260.893 117.02 17/ 3/2020 C/2019 Y1 ATLAS 13.7 123.625 828.23 22/ 3/2020 390P Gibbs 16.4 255.361 14.03 25/ 3/2020 C/2017 K5 PANSTARRS 18.3 1148.463 --- 3/ 4/2020 392P LINEAR 19.2 290.429 15.22 9/ 4/2020 C/2019 S4 Lemmon 19.3 514.475 3929.34 10/ 4/2020 C/2020 F6 PANSTARRS 20.4 523.314 6318.65 10/ 4/2020 P/2020 W1 Rankin 21.2 794.049 19.42 26/ 4/2020 C/2020 H2 Pruyne 12.9 123.963 --- 4/ 5/2020 C/2019 C1 ATLAS 22.1 982.424 18186.51 6/ 5/2020 C/2017 T2 PANSTARRS 8.2 239.895 --- 18/ 5/2020 C/2019 K6 PANSTARRS 19.8 586.014 --- 25/ 5/2020 C/2020 F8 SWAN 6.1 64.816 --- 27/ 5/2020 P/2020 R5 PANSTARRS 20.5 513.097 11.16 29/ 5/2020 C/2019 Y4 ATLAS 2.7 38.619 --- 29/ 5/2020 C/2019 Y4-A ATLAS 2.4 38.370 --- 29/ 5/2020 C/2019 Y4-B ATLAS 2.9 38.576 --- 29/ 5/2020 C/2019 Y4-C ATLAS 3.5 38.508 --- 29/ 5/2020 C/2019 Y4-D ATLAS 3.3 38.446 --- 1/ 6/2020 C/2020 K3 Leonard 17.8 236.822 --- 2/ 6/2020 C/2020 H7 Lemmon 20.3 661.155 --- 4/ 6/2020 C/2020 H8 PANSTARRS 20.2 697.616 14341.52 5/ 6/2020 C/2020 H3 Wierzchos 18.2 344.119 --- 17/ 6/2020 C/2019 K7 Smith 15.4 669.304 --- 18/ 6/2020 C/2019 U6 Lemmon 9.2 135.603 --- 4/ 7/2020 C/2020 F3 NEOWISE 1.0 44.129 --- 9/ 7/2020 377P Scotti 19.9 749.632 17.32 17/ 7/2020 C/2019 V1 Borisov 18.9 462.688 --- 22/ 7/2020 C/2019 Q1 Lemmon 18.7 748.389 --- 30/ 7/2020 85D Boethin 8.5 169.215 11.34 4/ 8/2020 C/2020 K2 PANSTARRS 25.0 1328.471 --- 15/ 8/2020 C/2020 Q1 Borisov 16.2 197.378 492.46 16/ 8/2020 C/2021 N3 PANSTARRS 19.6 854.481 1661.87 24/ 8/2020 C/2020 N2 ATLAS 18.6 266.855 1019.93 29/ 8/2020 C/2020 H4 Leonard 15.8 138.758 330.97 5/ 9/2020 P/2023 B3 PANSTARRS 19.2 597.460 9.71 12/ 9/2020 C/2020 H11 PANSTARRS-Lemmon 21.9 1140.084 --- 15/ 9/2020 C/2020 K8 Catalina-ATLAS 12.5 70.590 --- 17/ 9/2020 403P Catalina 18.6 402.949 12.66 28/ 9/2020 254P McNaught 17.8 471.064 9.93 5/10/2020 378P McNaught 20.0 504.786 15.76 7/10/2020 C/2020 T5 Lemmon 20.2 283.937 --- 17/10/2020 P/2019 V2 Groeller 20.8 749.095 20.52 21/10/2020 C/2020 P1 NEOWISE 9.6 51.144 --- 22/10/2020 C/2019 NJ3 Lemmon 18.6 652.684 --- 25/10/2020 C/2020 M3 ATLAS 13.7 190.777 142.68 4/11/2020 C/2017 Y2 PANSTARRS 25.3 691.287 --- 15/11/2020 C/2020 X4 Leonard 19.7 781.499 258.54 17/11/2020 P/2020 S7 PANSTARRS 21.2 444.946 11.30 17/11/2020 C/2020 X2 ATLAS 18.9 573.323 67.28 22/11/2020 A/2020 M4 22.6 888.724 --- 24/11/2020 P/2007 Q2 Gilmore 20.3 280.525 13.47 30/11/2020 C/2019 N1 ATLAS 11.7 254.776 --- 30/11/2020 C/2020 W5 Lemmon 22.3 504.287 --- 3/12/2020 C/2020 Y3 ATLAS 18.6 297.740 1612.11 5/12/2020 C/2021 C1 Rankin 20.0 519.538 --- 8/12/2020 A/2021 E2 19.2 341.540 2829.23 9/12/2020 C/2020 H5 Robinson 19.7 1396.504 --- 11/12/2020 C/2020 S3 Erasmus 10.8 58.745 --- 22/12/2020 C/2020 S2 PANSTARRS 20.2 263.877 32.82 14/ 1/2021 A/2019 T1 19.6 639.484 241.24 16/ 1/2021 P/2020 S1 PANSTARRS 21.2 442.796 14.70 16/ 1/2021 C/2021 C4 ATLAS 19.0 672.196 --- 19/ 1/2021 C/2019 B3 PANSTARRS 18.1 1021.773 --- 21/ 1/2021 C/2021 A2 NEOWISE 14.1 211.890 3477.11 23/ 1/2021 421P McNaught 18.3 247.197 11.43 24/ 1/2021 P/2020 O3 PANSTARRS 21.7 623.870 10.01 25/ 1/2021 411P Christensen 18.2 363.566 14.01 28/ 1/2021 409P LONEOS-Hill 16.5 261.480 14.82 5/ 2/2021 C/2020 U3 Rankin 20.5 341.953 556.65 11/ 2/2021 C/2021 C3 Catalina 18.7 340.211 469.58 15/ 2/2021 P/2020 V3 PANSTARRS 20.1 933.461 24.38 19/ 2/2021 C/2021 J1 Maury-Attard 19.7 259.365 134.06 24/ 2/2021 P/2021 C2 PANSTARRS 21.9 730.596 29.49 27/ 2/2021 C/2021 D1 SWAN 13.8 135.877 1030.59 2/ 3/2021 C/2020 R4 ATLAS 14.8 152.683 958.46 4/ 3/2021 C/2019 T3 ATLAS 18.6 890.630 --- 8/ 3/2021 C/2019 O3 Palomar 17.8 1319.561 --- 9/ 3/2021 C/2021 B3 NEOWISE 18.4 324.394 200.20 10/ 3/2021 28P Neujmin 13.5 237.408 18.44 13/ 3/2021 C/2020 N1 PANSTARRS 14.2 197.113 --- 14/ 3/2021 C/2021 A10 NEOWISE 20.6 189.525 849.84 16/ 3/2021 C/2020 F5 MASTER 15.1 647.180 2104.03 19/ 3/2021 C/2021 A4 NEOWISE 16.9 172.100 277.37 10/ 4/2021 C/2020 S8 Lemmon 17.1 352.395 3694.91 13/ 4/2021 A/2018 W3 16.9 640.500 18490.32 17/ 4/2021 C/2021 R7 PANSTARRS 22.1 845.939 31959.17 18/ 4/2021 C/2020 J1 SONEAR 14.8 500.417 --- 22/ 4/2021 C/2019 T2 Lemmon 15.5 395.433 --- 22/ 4/2021 C/2020 P3 ATLAS 18.6 1019.676 --- 2/ 5/2021 C/2021 K1 ATLAS 17.3 374.327 44.75 3/ 5/2021 C/2021 A6 PANSTARRS 20.4 1185.532 --- 4/ 5/2021 C/2021 B2 PANSTARRS 20.5 376.252 8278.21 11/ 5/2021 142P Ge-Wang 17.0 377.296 11.19 11/ 5/2021 C/2016 Q2 PANSTARRS 18.7 1059.137 --- 27/ 5/2021 C/2014 F3 Sheppard-Trujillo 17.4 857.411 54.58 28/ 5/2021 P/2021 P3 PANSTARRS 21.1 436.697 9.27 4/ 6/2021 C/2020 K5 PANSTARRS 13.9 230.489 --- 19/ 6/2021 111P Helin-Roman-Crockett 19.8 554.696 8.46 21/ 6/2021 C/2019 F1 ATLAS-Africano 13.5 539.794 --- 24/ 6/2021 410P NEAT-LINEAR 20.8 486.064 17.16 30/ 6/2021 P/2020 WJ5 Lemmon 19.2 745.002 14.75 6/ 7/2021 C/2020 T4 PANSTARRS 17.8 327.254 --- 10/ 7/2021 C/2020 T2 Palomar 14.6 307.030 4413.31 15/ 7/2021 C/2021 A7 NEOWISE 15.2 293.990 --- 20/ 7/2021 P/2020 V4 Rankin 20.1 771.040 28.81 20/ 7/2021 C/2021 G1 Leonard 22.4 512.817 598.80 22/ 7/2021 P/2021 L2 Leonard 20.1 290.126 8.14 26/ 7/2021 241P LINEAR 18.3 287.423 10.94 4/ 8/2021 P/2021 HS PANSTARRS 18.1 119.546 8.59 14/ 8/2021 C/2021 O1 Nishimura 10.6 117.116 --- 19/ 8/2021 C/2020 M5 ATLAS 16.6 448.777 --- 27/ 8/2021 C/2020 O2 Amaral 16.8 726.524 --- 28/ 8/2021 8P Tuttle 9.5 153.036 13.63 28/ 8/2021 P/2022 D1 PANSTARRS 20.8 500.765 20.15 8/ 9/2021 283P Spacewatch 20.1 318.295 8.40 9/ 9/2021 C/2021 K2 MASTER 18.9 817.332 --- 14/ 9/2021 C/2020 K6 Rankin 19.5 877.553 --- 15/ 9/2021 P/2004 R3 LINEAR-NEAT 22.0 529.423 10.34 20/ 9/2021 425P Kowalski 18.6 433.612 16.01 20/ 9/2021 C/2021 J2 PANSTARRS 22.4 703.335 1180.60 25/ 9/2021 C/2020 PV6 PANSTARRS 15.6 342.739 268.83 26/ 9/2021 423P Lemmon 19.2 811.319 15.37 29/ 9/2021 C/2020 H6 ATLAS 17.1 702.636 --- 30/ 9/2021 P/2021 U1 Wierzchos 19.6 367.136 24.96 6/10/2021 52P Harrington-Abell 19.0 265.122 7.59 13/10/2021 P/2021 R4 Wierzchos 20.4 349.178 13.35 14/10/2021 C/2021 T1 Lemmon 19.1 457.815 --- 16/10/2021 418P LINEAR 17.5 255.912 11.48 17/10/2021 C/2021 G3 PANSTARRS 21.5 775.315 --- 22/10/2021 282P 19.4 514.708 8.72 24/10/2021 P/2021 U3 Attard-Maury 18.9 282.928 8.60 27/10/2021 434P Tenagra 19.4 449.030 8.41 28/10/2021 382P Larson 17.3 647.587 14.29 30/10/2021 424P LaSagra 17.8 204.814 9.30 31/10/2021 P/2021 R6 Groeller 19.7 382.912 15.77 2/11/2021 C/2018 U1 Lemmon 15.8 745.838 --- 5/11/2021 P/2022 C1 PANSTARRS 21.0 596.175 19.46 11/11/2021 C/2021 C6 Lemmon 19.8 491.408 --- 12/11/2021 132P Helin-Roman-Alu 14.0 253.888 7.68 13/11/2021 C/2020 F7 Lemmon 17.9 798.099 13651.38 14/11/2021 P/2021 N2 Fuls 17.6 569.375 18.31 19/11/2021 P/2020 B4 Sheppard 22.8 962.713 22.51 7/12/2021 436P Garradd 18.7 293.950 14.47 8/12/2021 P/2021 R1 PANSTARRS 21.2 730.732 23.70 9/12/2021 C/2022 L4 PANSTARRS 21.7 450.059 4725.81 16/12/2021 402P LINEAR 17.4 589.890 18.69 16/12/2021 C/2022 K1 Leonard 20.4 596.259 --- 17/12/2021 173P Mueller 16.5 630.706 13.66 22/12/2021 C/2021 U4 Leonard 20.9 267.361 306.92 28/12/2021 C/2021 R2 PANSTARRS 20.5 1094.530 --- 31/12/2021 P/2005 L1 McNaught 17.1 435.862 7.75 3/ 1/2022 C/2021 A1 Leonard 6.1 92.092 --- 5/ 1/2022 C/2014 OG392 PANSTARRS 20.9 1493.705 42.91 8/ 1/2022 181P Shoemaker-Levy 13.2 174.233 7.64 10/ 1/2022 422P Christensen 18.7 463.966 15.71 10/ 1/2022 C/2019 L3 ATLAS 12.1 532.395 --- 12/ 1/2022 P/2021 R5 Rankin 19.9 498.200 10.51 13/ 1/2022 152P Helin-Lawrence 19.4 465.208 9.50 16/ 1/2022 A/2022 B3 21.6 554.185 15963.89 26/ 1/2022 C/2021 Q3 ATLAS 18.6 779.249 650.16 27/ 1/2022 C/2021 U5 Catalina 17.8 352.912 3321.99 30/ 1/2022 C/2022 B4 Bok 20.6 205.834 --- 31/ 1/2022 C/2022 A1 Sarneczky 18.5 187.924 --- 1/ 2/2022 86P Wild 18.9 347.989 6.97 3/ 2/2022 C/2021 D2 ZTF 15.7 441.262 --- 3/ 2/2022 C/2021 K3 Catalina 21.1 782.019 --- 9/ 2/2022 P/2011 W1 PANSTARRS 19.0 497.578 10.11 14/ 2/2022 C/2021 L3 Borisov 19.9 1265.651 --- 15/ 2/2022 97P Metcalf-Brewington 13.9 385.389 10.42 15/ 2/2022 C/2022 O1 ATLAS 19.2 1112.254 --- 19/ 2/2022 C/2022 J1 Maury-Attard 18.7 239.343 327.26 20/ 2/2022 395P Catalina-NEAT 19.9 634.524 19.33 25/ 2/2022 C/2020 R2 PANSTARRS 19.3 703.014 8929.84 26/ 2/2022 P/2022 B1 Wierzchos 19.9 283.394 12.79 2/ 3/2022 C/2021 S1 ATLAS 18.7 916.335 --- 22/ 3/2022 C/2022 F2 NEOWISE 17.2 237.773 115.84 23/ 3/2022 325P Yang-Gao 16.2 219.294 6.69 28/ 3/2022 C/2022 D2 Kowalski 19.5 232.273 --- 30/ 3/2022 319P Catalina-McNaught 17.2 177.754 6.72 30/ 3/2022 440P Kobayashi 19.3 306.905 25.13 3/ 4/2022 P/2021 TR81 Lemmon 18.0 219.127 25.99 6/ 4/2022 135P Shoemaker-Levy 17.1 401.836 7.41 6/ 4/2022 C/2021 F1 Lemmon-PANSTARRS 14.9 149.502 --- 9/ 4/2022 99P Kowal 17.4 703.064 15.04 9/ 4/2022 274P Tombaugh-Tenagra 18.9 366.639 9.16 10/ 4/2022 C/2020 U4 PANSTARRS 18.3 802.133 --- 13/ 4/2022 P/2023 M4 ATLAS 16.1 587.475 12.71 21/ 4/2022 C/2021 O3 PANSTARRS 5.0 42.669 --- 22/ 4/2022 44P Reinmuth 15.5 316.260 7.08 24/ 4/2022 A/2021 E4 20.1 700.110 11321.35 28/ 4/2022 C/2020 U5 PANSTARRS 16.8 562.013 --- 30/ 4/2022 C/2021 V1 Rankin 20.8 451.686 --- 12/ 5/2022 286P Christensen 19.5 346.598 8.23 17/ 5/2022 420P Hill 18.3 413.903 12.83 28/ 5/2022 446P McNaught 19.7 240.937 9.74 31/ 5/2022 179P Jedicke 18.3 616.942 14.47 1/ 6/2022 113P Spitaler 19.3 320.893 7.11 2/ 6/2022 C/2021 P1 PANSTARRS 20.9 655.211 --- 8/ 6/2022 C/2019 T4 ATLAS 14.2 633.920 --- 8/ 6/2022 C/2021 T2 Fuls 13.8 186.106 --- 9/ 6/2022 P/2022 E1 Christensen 19.9 440.504 7.34 11/ 6/2022 C/2021 E3 ZTF 11.5 265.910 --- 14/ 6/2022 148P Anderson-LINEAR 19.2 243.495 6.89 17/ 6/2022 C/2020 Y2 ATLAS 14.2 470.677 --- 19/ 6/2022 P/2013 G4 PANSTARRS 21.2 391.613 9.33 22/ 6/2022 337P WISE 18.7 261.037 6.13 29/ 6/2022 444P WISE-PANSTARRS 17.8 230.131 6.47 30/ 6/2022 P/2022 C3 PANSTARRS 20.8 653.797 29.82 8/ 7/2022 C/2021 X2 Bok 20.5 448.505 --- 9/ 7/2022 P/2022 R4 PANSTARRS 21.1 293.193 7.52 11/ 7/2022 P/2022 P2 ZTF 17.8 297.019 9.52 12/ 7/2022 117P Helin-Roman-Alu 13.9 460.559 8.36 12/ 7/2022 C/2020 F2 ATLAS 18.7 1318.484 --- 16/ 7/2022 116P Wild 13.1 328.168 6.51 17/ 7/2022 272P NEAT 20.6 363.440 9.43 26/ 7/2022 454P PANSTARRS 21.0 402.328 8.64 27/ 7/2022 C/2022 P3 ZTF 15.7 383.948 4287.97 30/ 7/2022 C/2021 P4 ATLAS 11.3 161.357 --- 1/ 8/2022 462P LONEOS-PANSTARRS 20.4 306.587 10.72 5/ 8/2022 P/2022 C2 PANSTARRS 20.5 503.607 14.82 5/ 8/2022 C/2022 F1 ATLAS 18.5 894.306 --- 9/ 8/2022 127P Holt-Olmstead 17.7 331.394 6.42 10/ 8/2022 100P Hartley 17.0 302.079 6.35 12/ 8/2022 119P Parker-Hartley 13.1 348.708 7.43 12/ 8/2022 335P Gibbs 21.0 242.477 6.77 13/ 8/2022 C/2021 QM45 PANSTARRS 18.0 415.629 8289.65 16/ 8/2022 445P Lemmon-PANSTARRS 19.5 354.559 8.14 16/ 8/2022 447P Sheppard-Tholen 21.9 692.402 13.34 17/ 8/2022 442P McNaught 17.9 346.429 11.03 18/ 8/2022 P/2022 S1 PANSTARRS 22.5 472.086 16.22 20/ 8/2022 437P Lemmon-PANSTARRS 21.4 509.195 9.77 23/ 8/2022 73P-BW Schwassmann-Wachmann 18.2 144.646 9.64 1/ 9/2022 327P VanNess 17.2 233.204 6.73 6/ 9/2022 448P PANSTARRS 20.1 316.536 6.93 9/ 9/2022 C/2022 N1 Attard-Maury 19.7 221.278 221.35 10/ 9/2022 157P Tritton 13.4 235.244 6.68 12/ 9/2022 158P Kowal-LINEAR 19.0 751.827 13.58 16/ 9/2022 C/2020 R7 ATLAS 13.1 441.577 --- 16/ 9/2022 P/2022 W1 Rankin 20.2 504.588 18.42 26/ 9/2022 214P LINEAR 18.0 277.920 6.88 27/ 9/2022 C/2022 L1 Catalina 19.4 238.025 --- 30/ 9/2022 51P Harrington 14.0 253.453 7.13 30/ 9/2022 224P LINEAR-NEAT 19.7 306.559 6.40 1/10/2022 51P-D Harrington 20.0 253.404 7.13 3/10/2022 51P-A Harrington 14.1 253.428 7.14 5/10/2022 211P Hill 18.4 348.008 6.69 6/10/2022 408P Novichonok-Gerke 18.7 519.437 10.34 6/10/2022 P/2007 S1 Zhao 18.0 378.220 7.46 9/10/2022 443P PANSTARRS-Christensen 21.0 442.461 8.38 23/10/2022 61P Shajn-Schaldach 14.5 318.544 7.09 25/10/2022 C/2022 R2 ATLAS 15.4 94.287 --- 26/10/2022 C/2022 J2 Bok 13.1 273.532 854.00 29/10/2022 196P Tichy 17.3 325.993 7.43 29/10/2022 P/2022 L3 ATLAS 21.1 362.640 16.60 30/10/2022 458P Jahn 23.5 394.175 7.58 17/11/2022 204P LINEAR-NEAT 17.4 274.372 6.79 19/11/2022 176P LINEAR 18.5 386.337 5.71 20/11/2022 244P Scotti 17.4 587.116 10.86 24/11/2022 118P Shoemaker-Levy 15.0 273.643 6.13 26/11/2022 467P LINEAR-Grauer 20.3 824.090 14.06 27/11/2022 451P Christensen 22.0 418.715 16.00 27/11/2022 C/2022 S5 PANSTARRS 21.3 325.803 92.95 27/11/2022 C/2022 Y1 Hogan 15.5 442.908 44.81 28/11/2022 C/2022 P1 NEOWISE 16.6 238.192 79.36 1/12/2022 P/2007 SA24 Lemmon 19.1 401.297 15.52 1/12/2022 P/2023 V6 PANSTARRS 20.8 652.963 12.18 3/12/2022 129P Shoemaker-Levy 19.7 587.182 8.90 8/12/2022 80P Peters-Hartley 15.2 242.033 8.06 15/12/2022 81P Wild 11.5 238.725 6.41 18/12/2022 C/2017 K2 PANSTARRS 6.0 269.260 --- 6/ 1/2023 P/2022 O2 PANSTARRS 20.1 263.220 15.83 11/ 1/2023 285P LINEAR 19.1 257.428 9.56 12/ 1/2023 C/2022 E3 ZTF 7.3 166.698 --- 14/ 1/2023 C/2022 U2 ATLAS 16.2 198.926 975.29 20/ 1/2023 P/2013 YG46 Spacewatch 14.5 258.008 5.89 20/ 1/2023 C/2023 A2 SWAN 14.5 141.358 --- 20/ 1/2023 C/2023 RN3 ATLAS 18.5 775.037 32.43 21/ 1/2023 71P Clark 15.0 243.966 5.66 21/ 1/2023 C/2022 S3 PANSTARRS 16.7 125.496 --- 22/ 1/2023 P/2021 V2 Fuls 17.5 523.205 27.41 23/ 1/2023 C/2021 P2 PANSTARRS 19.9 758.144 --- 28/ 1/2023 C/2024 O1 PANSTARRS 21.1 988.354 --- 30/ 1/2023 263P Gibbs 16.6 184.662 5.30 31/ 1/2023 96P Machholz 1.6 17.549 5.28 31/ 1/2023 96P-B Machholz 1.6 17.402 5.27 31/ 1/2023 C/2022 Q2 ATLAS 17.2 245.578 187.68 4/ 2/2023 281P MOSS 19.5 603.922 10.80 9/ 2/2023 C/2020 S4 PANSTARRS 14.6 504.213 --- 10/ 2/2023 C/2021 C5 PANSTARRS 16.8 484.743 --- 18/ 2/2023 C/2022 A2 PANSTARRS 13.2 259.603 --- 21/ 2/2023 459P Catalina 17.0 204.640 5.83 24/ 2/2023 455P PANSTARRS 22.7 328.132 5.60 27/ 2/2023 464P PANSTARRS 18.2 504.094 10.14 3/ 3/2023 453P WISE-Lemmon 18.9 340.953 12.78 5/ 3/2023 C/2022 R3 Leonard 19.7 767.767 --- 8/ 3/2023 C/2022 W2 ATLAS 18.8 467.490 6340.65 10/ 3/2023 C/2023 B2 ATLAS 16.9 260.381 --- 11/ 3/2023 256P LINEAR 17.8 403.520 9.98 18/ 3/2023 C/2023 A1 Leonard 17.7 274.688 3290.99 22/ 3/2023 C/2022 Y2 Lemmon 19.4 380.319 87.66 29/ 3/2023 463P NEOWISE 14.7 77.511 5.13 29/ 3/2023 C/2019 U5 PANSTARRS 12.2 542.182 --- 2/ 4/2023 77P Longmore 15.2 351.058 6.89 6/ 4/2023 C/2019 O2 PANSTARRS 19.7 1448.244 450.34 15/ 4/2023 170P Christensen 19.6 435.840 8.59 17/ 4/2023 5D Brorsen 6.4 76.608 5.61 18/ 4/2023 279P LaSagra 19.7 320.520 6.74 23/ 4/2023 480P PANSTARRS 20.5 519.868 9.90 26/ 4/2023 452P Sheppard-Jewitt 18.0 624.990 19.77 28/ 4/2023 C/2022 JK5 PANSTARRS 17.6 403.276 290.46 30/ 4/2023 C/2021 Y1 ATLAS 12.1 304.058 --- 3/ 5/2023 291P NEAT 19.9 384.098 9.66 3/ 5/2023 P/2023 B1 PANSTARRS 17.2 918.633 18.78 8/ 5/2023 465P Hill 18.6 347.696 14.73 8/ 5/2023 C/2020 K1 PANSTARRS 12.5 459.874 --- 8/ 5/2023 C/2020 V2 ZTF 10.9 333.503 --- 11/ 5/2023 466P PANSTARRS 19.0 314.310 8.11 12/ 5/2023 364P PANSTARRS 15.0 122.779 4.94 14/ 5/2023 237P LINEAR 16.7 298.624 6.60 21/ 5/2023 94P Russell 15.9 332.897 6.58 21/ 5/2023 P/2016 P5 COIAS 22.4 662.840 10.19 27/ 5/2023 C/2021 X1 Maury-Attard 15.2 483.895 --- 2/ 6/2023 482P PANSTARRS 18.5 285.301 7.28 11/ 6/2023 C/2021 Q4 Fuls 19.2 1131.703 --- 15/ 6/2023 72P Denning-Fujikawa 15.7 117.085 8.94 22/ 6/2023 C/2022 W3 Leonard 15.4 208.968 4633.11 28/ 6/2023 C/2023 F1 PANSTARRS 19.9 255.854 3824.77 30/ 6/2023 121P Shoemaker-Holt 21.3 558.379 9.83 30/ 6/2023 C/2023 E1 ATLAS 14.7 153.722 84.44 5/ 7/2023 126P IRAS 11.9 255.911 13.35 9/ 7/2023 481P Lemmon-PANSTARRS 21.4 459.818 10.13 11/ 7/2023 287P Christensen 20.2 455.732 8.58 12/ 7/2023 180P NEAT 17.3 373.865 7.61 12/ 7/2023 185P Petriew 15.7 139.406 5.46 15/ 7/2023 474P Hogan 21.9 380.253 5.54 19/ 7/2023 347P PANSTARRS 19.9 330.107 6.83 27/ 7/2023 P/2023 M2 PANSTARRS 20.1 526.093 13.19 31/ 7/2023 C/2021 T4 Lemmon 8.3 221.621 --- 3/ 8/2023 C/2022 U4 Bok 17.5 433.422 --- 3/ 8/2023 C/2023 V3 PANSTARRS 21.3 671.680 46.00 4/ 8/2023 280P Larsen 18.8 394.705 9.62 7/ 8/2023 199P Shoemaker 16.3 435.480 14.23 7/ 8/2023 225P LINEAR 19.7 197.454 6.97 8/ 8/2023 A/2023 H4 21.3 317.772 1685.51 10/ 8/2023 P/2023 Y2 Gibbs 21.5 340.690 7.25 21/ 8/2023 322P SOHO 6.1 7.776 3.97 25/ 8/2023 485P Sheppard-Tholen 22.4 597.329 17.93 26/ 8/2023 P/2010 KG43 18.7 431.834 13.19 30/ 8/2023 339P Gibbs 20.0 201.500 7.11 7/ 9/2023 C/2023 K1 ATLAS 18.0 304.991 --- 10/ 9/2023 426P PANSTARRS 19.5 399.850 5.69 11/ 9/2023 39P Oterma 22.0 862.927 18.36 17/ 9/2023 C/2023 P1 Nishimura 3.3 33.730 --- 28/ 9/2023 P/2005 E1 Tubbiolo 20.1 658.623 18.80 28/ 9/2023 C/2022 A3 Lemmon-ATLAS 16.8 554.176 --- 30/ 9/2023 79P duToit-Hartley 18.1 167.563 5.05 4/10/2023 P/2022 R1 PANSTARRS 19.2 533.324 19.09 5/10/2023 C/2024 B2 Lemmon 20.9 610.080 --- 9/10/2023 365P PANSTARRS 19.9 197.521 5.61 12/10/2023 103P Hartley 7.2 159.373 6.48 15/10/2023 C/2023 S2 ATLAS 15.7 158.833 2112.89 17/10/2023 C/2023 X1 Leonard 14.5 142.310 1943.65 23/10/2023 310P Hill 18.2 361.476 8.55 25/10/2023 C/2024 E2 Bok 21.4 1151.183 369.52 25/10/2023 P/2024 F1 PANSTARRS 20.3 278.228 6.39 26/10/2023 321P SOHO 7.8 8.901 3.77 29/10/2023 C/2023 H2 Lemmon 12.1 133.939 --- 31/10/2023 404P Bressi 18.8 618.194 10.25 1/11/2023 C/2022 V2 Lemmon 17.3 308.811 221.80 8/11/2023 C/2024 C3 PANSTARRS 21.6 1004.258 39.86 9/11/2023 358P PANSTARRS 22.7 357.880 5.58 11/11/2023 P/2024 J1 PANSTARRS 21.2 394.431 7.43 12/11/2023 213P-C Van Ness 22.2 296.309 6.15 13/11/2023 213P VanNess 15.2 296.401 6.15 13/11/2023 213P-B Van Ness 21.7 296.453 6.15 15/11/2023 C/2019 E3 ATLAS 17.7 1542.849 --- 17/11/2023 P/2007 T2 Kowalski 16.1 97.697 5.31 21/11/2023 468P SidingSpring 20.5 590.973 18.99 24/11/2023 C/2024 L3 PANSTARRS 22.2 1025.930 --- 29/11/2023 P/2023 Y1 Gibbs 21.5 311.178 7.26 4/12/2023 C/2021 A9 PANSTARRS 19.1 1161.463 --- 7/12/2023 147P Kushida-Muramatsu 20.7 472.818 8.03 13/12/2023 C/2023 V5 Leonard 20.5 126.632 --- 14/12/2023 P/2023 M1 PANSTARRS 20.8 422.880 17.89 16/12/2023 470P PANSTARRS 21.5 407.745 9.43 18/12/2023 A/2023 R3 19.1 203.269 --- 19/12/2023 471P LINEAR-Lemmon 16.7 317.091 13.58 22/12/2023 C/2023 T2 Borisov 18.4 298.650 3348.68 25/12/2023 26P Grigg-Skjellerup 14.7 162.073 5.23 25/12/2023 62P Tsuchinshan 9.2 189.260 6.19 26/12/2023 477P PANSTARRS 18.4 261.576 5.20 27/12/2023 226P Pigott-LINEAR-Kowalski 15.8 265.394 7.31 28/12/2023 326P Hill 20.1 412.953 8.19 1/ 1/2024 311P PANSTARRS 20.4 289.618 3.24 3/ 1/2024 C/2021 S4 Tsuchinshan 18.6 1001.103 1947.23 7/ 1/2024 216P LINEAR 17.3 318.184 7.58 18/ 1/2024 C/2022 H1 PANSTARRS 19.4 1150.278 24872.37 19/ 1/2024 C/2023 S3 Lemmon 16.3 124.067 151.52 25/ 1/2024 144P Kushida 10.5 209.364 7.51 30/ 1/2024 C/2024 C4 ATLAS 17.3 219.980 761.93 31/ 1/2024 207P NEAT 13.6 140.397 7.66 3/ 2/2024 P/2023 V2 PANSTARRS 20.7 464.376 19.40 4/ 2/2024 194P LINEAR 18.3 269.287 8.37 13/ 2/2024 251P LINEAR 19.4 260.474 6.58 14/ 2/2024 C/2021 S3 PANSTARRS 7.5 197.434 --- 15/ 2/2024 219P LINEAR 17.3 352.405 7.00 17/ 2/2024 C/2022 T1 Lemmon 16.8 515.251 --- 18/ 2/2024 C/2023 H3 PANSTARRS 20.9 782.611 50.25 23/ 2/2024 P/2010 T2 PANSTARRS 20.3 563.595 13.20 26/ 2/2024 473P NEAT 16.4 210.395 22.51 2/ 3/2024 P/2019 A3 PANSTARRS 22.2 344.661 5.58 7/ 3/2024 125P Spacewatch 16.8 228.346 5.53 8/ 3/2024 227P Catalina-LINEAR 17.2 242.883 6.37 12/ 3/2024 150P LONEOS 15.7 261.102 7.62 12/ 3/2024 C/2022 L2 ATLAS 12.3 402.932 --- 20/ 3/2024 P/2013 R3 Catalina-PANSTARRS 19.9 327.975 5.28 20/ 3/2024 P/2013 R3-A Catalina-PANSTARRS 14.9 327.977 5.28 20/ 3/2024 P/2013 R3-B Catalina-PANSTARRS 14.9 327.982 5.28 25/ 3/2024 C/2021 Q6 PANSTARRS 20.3 1302.659 --- 26/ 3/2024 89P Russell 18.8 332.509 7.26 26/ 3/2024 C/2022 U1 Leonard 18.2 628.649 --- 28/ 3/2024 309P LINEAR 19.1 249.867 9.15 1/ 4/2024 355P LINEAR-NEAT 18.8 255.201 6.46 14/ 4/2024 501P Rankin 17.7 100.510 3.33 15/ 4/2024 130P McNaught-Hughes 15.8 273.127 6.24 20/ 4/2024 32P ComasSola 14.6 302.967 9.72 20/ 4/2024 P/2024 O2 PANSTARRS 20.8 553.168 20.06 21/ 4/2024 12P Pons-Brooks 4.4 116.858 71.53 22/ 4/2024 P/2023 X3 PANSTARRS 23.0 453.398 8.75 24/ 4/2024 267P LONEOS 21.9 184.782 5.75 25/ 4/2024 212P NEAT 19.6 241.290 7.71 28/ 4/2024 C/2024 A2 ATLAS 16.9 281.154 183.22 29/ 4/2024 299P Catalina-PANSTARRS 18.2 472.088 9.19 2/ 5/2024 478P ATLAS 19.2 358.131 6.97 5/ 5/2024 479P Elenin 14.9 185.976 13.33 8/ 5/2024 P/2024 K1 PANSTARRS 20.9 516.924 17.91 8/ 5/2024 P/2024 R3 PANSTARRS 21.0 350.924 5.73 10/ 5/2024 133P Elst-Pizarro 19.4 399.542 5.63 12/ 5/2024 50P Arend 16.1 287.513 8.26 12/ 5/2024 222P LINEAR 20.2 123.573 4.93 17/ 5/2024 202P Scotti 21.3 459.263 8.30 19/ 5/2024 46P Wirtanen 15.9 157.868 5.44 19/ 5/2024 488P NEAT-PANSTARRS 20.2 251.224 7.24 20/ 5/2024 P/2024 FG9 Nanshan-Hahn 17.6 238.831 5.88 22/ 5/2024 P/2023 T1 PANSTARRS 21.3 421.517 8.69 24/ 5/2024 192P Shoemaker-Levy 18.3 218.798 16.40 25/ 5/2024 C/2023 X4 Hogan 20.7 547.298 31.25 26/ 5/2024 349P Lemmon 19.0 375.427 6.77 30/ 5/2024 494P PANSTARRS 21.2 365.099 7.39 30/ 5/2024 C/2023 V4 Camarasa-Duszanowicz 13.9 167.837 --- 1/ 6/2024 475P Spacewatch-LINEAR 20.0 609.969 19.80 13/ 6/2024 154P Brewington 10.0 232.237 10.50 14/ 6/2024 P/2024 Q1 PANSTARRS 19.5 245.037 6.61 15/ 6/2024 A/2024 G8 21.3 175.404 1683.20 15/ 6/2024 P/2024 R1 PANSTARRS 21.1 262.007 6.42 23/ 6/2024 C/2023 Q2 PANSTARRS 18.3 480.067 6365.51 30/ 6/2024 13P Olbers 7.5 175.842 69.53 30/ 6/2024 C/2024 U1 PANSTARRS 20.7 723.491 10659.57 3/ 7/2024 P/2003 T12 SOHO 15.4 88.875 4.15 14/ 7/2024 209P LINEAR 17.3 144.236 5.09 14/ 7/2024 472P NEAT-LINEAR 18.9 506.730 21.69 18/ 7/2024 C/2022 S4 Lemmon 14.6 413.167 --- 20/ 7/2024 492P LINEAR 19.4 266.577 13.82 25/ 7/2024 P/2025 D3 PANSTARRS 22.4 443.645 7.90 27/ 7/2024 328P LONEOS-Tucker 18.4 280.068 8.58 28/ 7/2024 C/2022 U3 Bok 18.1 722.091 --- 29/ 7/2024 C/2024 F2 PANSTARRS 19.7 593.573 31.37 3/ 8/2024 338P McNaught 17.2 342.193 7.69 5/ 8/2024 146P Shoemaker-LINEAR 17.1 212.203 8.08 12/ 8/2024 C/2023 R2 PANSTARRS 11.4 135.396 --- 17/ 8/2024 30P Reinmuth 15.6 271.357 7.22 20/ 8/2024 457P Lemmon-PANSTARRS 20.4 348.862 4.30 24/ 8/2024 208P McMillan 17.5 378.396 8.13 29/ 8/2024 18D Perrine-Mrkos 11.8 238.307 7.64 31/ 8/2024 345P LINEAR 18.7 469.728 8.10 31/ 8/2024 C/2024 C1 PANSTARRS 21.6 660.156 34.43 4/ 9/2024 54P deVico-Swift-NEAT 15.6 324.919 7.38 5/ 9/2024 491P Spacewatch-PANSTARRS 18.1 555.966 11.22 5/ 9/2024 P/2024 X3 PANSTARRS 21.4 391.087 18.49 7/ 9/2024 C/2024 G5 Leonard 20.7 441.770 13714.80 9/ 9/2024 C/2021 G2 ATLAS 16.3 745.336 --- 14/ 9/2024 C/2022 E2 ATLAS 13.6 548.504 --- 16/ 9/2024 C/2023 TD22 Lemmon 17.0 352.552 336.26 16/ 9/2024 P/2024 S2 Rankin 19.5 306.315 11.31 19/ 9/2024 384P Kowalski 19.1 166.331 4.93 27/ 9/2024 C/2023 A3 Tsuchinshan-ATLAS 3.1 58.650 --- 28/ 9/2024 490P ATLAS 22.0 159.938 5.27 30/ 9/2024 P/2024 T1 Rankin 19.9 342.131 16.95 1/10/2024 P/2024 R2 PANSTARRS 20.0 344.509 5.59 3/10/2024 316P LONEOS-Christensen 21.9 556.067 9.25 3/10/2024 360P WISE 23.3 277.019 7.12 5/10/2024 P/2025 A2 PANSTARRS 21.4 515.573 11.46 7/10/2024 C/2024 B1 Lemmon 16.6 244.419 --- 9/10/2024 P/2024 OC2 PANSTARRS 16.7 88.700 4.25 11/10/2024 37P Forbes 14.4 242.032 6.44 12/10/2024 C/2023 U1 Fuls 18.4 743.969 --- 16/10/2024 476P PANSTARRS 19.9 467.257 10.43 20/10/2024 487P SidingSpring 16.1 271.478 11.73 21/10/2024 253P PANSTARRS 17.7 303.124 6.45 21/10/2024 C/2024 G1 Wierzchos 19.3 587.936 1350.80 23/10/2024 234P LINEAR 19.3 421.998 7.40 28/10/2024 C/2024 S1 ATLAS 3.2 9.016 --- 3/11/2024 C/2024 V2 Sarneczky 20.3 185.973 246.36 10/11/2024 33P Daniel 21.5 335.470 8.28 11/11/2024 C/2025 N2 ATLAS 19.4 1330.316 10681.26 12/11/2024 C/2024 Q4 PANSTARRS 20.8 810.690 17372.32 13/11/2024 363P Lemmon 21.1 257.460 6.76 16/11/2024 C/2023 C2 ATLAS 13.1 354.328 --- 17/11/2024 305P Skiff 18.7 212.148 9.98 19/11/2024 C/2024 M1 ATLAS 14.0 254.805 162.62 26/11/2024 C/2024 Y1 Masek 17.4 123.020 492.97 28/11/2024 C/2023 H1 PANSTARRS 18.6 665.344 20786.58 29/11/2024 333P LINEAR 14.6 166.508 8.67 1/12/2024 C/2023 Q1 PANSTARRS 15.6 385.336 --- 2/12/2024 3D-A Biela 8.7 123.698 6.69 6/12/2024 C/2024 PN7 PANSTARRS 18.4 228.074 551.83 8/12/2024 P/2024 T2 Rankin 19.2 295.052 15.33 11/12/2024 276P Vorobjov 19.8 583.224 12.44 11/12/2024 C/2025 D6 ATLAS 19.8 374.585 --- 15/12/2024 P/2015 R2 PANSTARRS 20.9 367.261 9.48 18/12/2024 268P Bernardi 19.1 360.938 9.84 18/12/2024 498P LINEAR 17.7 293.862 9.84 23/12/2024 242P Spahr 16.6 594.159 13.03 24/12/2024 190P Mueller 17.4 302.082 8.70 30/12/2024 P/2023 JN16 Lemmon 19.6 344.049 4.43 3/ 1/2025 136P Mueller 18.3 442.588 8.56 10/ 1/2025 C/2024 N4 Sarneczky 18.2 807.502 --- 11/ 1/2025 367P Catalina 22.0 378.170 6.58 13/ 1/2025 C/2024 G3 ATLAS -1.3 14.445 --- 13/ 1/2025 C/2025 A4 PANSTARRS 21.0 572.097 36.74 22/ 1/2025 105P SingerBrewster 18.3 306.985 6.47 25/ 1/2025 C/2023 T3 Fuls 16.6 530.820 --- 30/ 1/2025 366P Spacewatch 20.6 341.077 6.55 1/ 2/2025 249P LINEAR 13.3 74.772 4.60 2/ 2/2025 C/2023 F3 ATLAS 16.7 776.531 --- 3/ 2/2025 236P LINEAR 18.6 273.490 7.19 6/ 2/2025 P/2025 C1 ATLAS 17.1 410.805 8.59 10/ 2/2025 C/2024 G7 ATLAS 18.8 901.724 --- 14/ 2/2025 P/2025 D4 ATLAS 20.7 486.931 26.57 15/ 2/2025 497P Spacewatch-PANSTARRS 22.2 310.417 13.30 24/ 2/2025 P/2023 S1 PANSTARRS 16.8 391.905 7.54 27/ 2/2025 A/2024 W2 21.4 556.605 --- 2/ 3/2025 48P Johnson 16.9 300.184 6.55 4/ 3/2025 499P Catalina 16.0 139.286 5.24 5/ 3/2025 229P Gibbs 19.4 365.081 7.77 5/ 3/2025 C/2024 Q3 PANSTARRS 20.2 312.893 --- 9/ 3/2025 302P Lemmon-PANSTARRS 20.8 491.972 8.81 9/ 3/2025 P/2010 H2 Vales 12.6 460.157 7.51 10/ 3/2025 496P Hill 17.0 242.503 15.06 10/ 3/2025 C/2024 L5 ATLAS 16.6 513.483 --- 11/ 3/2025 C/2024 C2 PANSTARRS 20.1 1345.091 65.38 14/ 3/2025 323P SOHO 6.5 6.715 3.81 15/ 3/2025 C/2024 T3 PANSTARRS 20.3 555.927 811.80 19/ 3/2025 C/2024 J2 Wierzchos 16.2 270.911 1785.33 19/ 3/2025 C/2024 W1 PANSTARRS 21.1 383.080 300.66 25/ 3/2025 21P Giacobini-Zinner 10.6 150.937 6.53 26/ 3/2025 351P Wiegert-PANSTARRS 20.1 468.526 9.36 28/ 3/2025 A/2025 A7 17.9 431.358 --- 31/ 3/2025 500P PANSTARRS 20.0 318.919 6.31 3/ 4/2025 486P Leonard 20.5 345.418 6.91 4/ 4/2025 C/2024 V1 Borisov 19.8 346.838 3545.10 7/ 4/2025 323P-C SOHO 13.1 6.092 4.22 9/ 4/2025 P/2010 LH155 18.6 332.715 7.24 10/ 4/2025 49P Arend-Rigaux 14.5 214.125 6.74 11/ 4/2025 C/2024 N3 Sarneczky 18.5 750.171 --- 14/ 4/2025 289P Blanpain 20.0 142.766 5.31 14/ 4/2025 456P PANSTARRS 20.3 419.208 5.64 20/ 4/2025 C/2025 F1 ATLAS 18.9 160.065 --- 22/ 4/2025 341P Gibbs 19.1 374.957 8.87 23/ 4/2025 C/2024 L1 PANSTARRS 20.5 800.064 38.82 26/ 4/2025 C/2024 J4 Lemmon 19.1 851.976 --- 1/ 5/2025 C/2025 F2 SWAN 6.3 49.895 --- 11/ 5/2025 25D Neujmin 2 15.6 216.665 5.78 11/ 5/2025 P/2015 X6 PANSTARRS 22.1 340.136 4.57 13/ 5/2025 C/2025 D5 PANSTARRS 21.6 301.017 --- 15/ 5/2025 C/2023 X7 PANSTARRS 19.5 721.114 --- 16/ 5/2025 250P Larson 20.3 339.935 7.34 16/ 5/2025 P/2016 G1 PANSTARRS 18.7 305.340 4.15 20/ 5/2025 C/2024 XK14 Bok 20.8 308.116 70.08 24/ 5/2025 217P LINEAR 14.4 183.471 7.83 27/ 5/2025 164P Christensen 15.4 250.591 6.98 12/ 6/2025 C/2024 L2 PANSTARRS 19.2 1245.594 10275.80 13/ 6/2025 C/2024 A1 ATLAS 16.3 579.734 --- 13/ 6/2025 C/2024 G2 ATLAS 17.8 800.086 19781.63 14/ 6/2025 P/2005 T5 Broughton 18.9 486.722 19.55 16/ 6/2025 65P Gunn 13.4 437.761 7.68 26/ 6/2025 C/2025 B1 PANSTARRS 20.7 528.213 --- 28/ 6/2025 3D-B Biela 11.0 122.944 6.66 30/ 6/2025 C/2023 H5 Lemmon 16.7 645.154 --- 7/ 7/2025 C/2024 X2 ATLAS 18.5 549.968 359.55 11/ 7/2025 P/2005 J1 McNaught 18.3 230.316 6.76 13/ 7/2025 C/2023 V1 Lemmon 19.1 761.839 --- 20/ 7/2025 60P Tsuchinshan 16.9 246.195 6.63 27/ 7/2025 C/2025 K4 Siverd 19.5 379.028 256.75 31/ 7/2025 C/2022 N2 PANSTARRS 14.8 572.282 --- 1/ 8/2025 306P LINEAR 19.3 190.437 5.52 3/ 8/2025 C/2024 X1 Fazekas 20.5 570.966 29.11 4/ 8/2025 43P Wolf-Harrington 16.5 365.453 9.02 5/ 8/2025 195P Hill 18.6 664.297 16.36 5/ 8/2025 502P NEAT 17.3 632.723 22.62 8/ 8/2025 P/2017 FL36 PANSTARRS 21.6 423.506 5.01 11/ 8/2025 294P LINEAR 18.1 190.444 5.70 26/ 8/2025 C/2022 R6 PANSTARRS 17.5 982.188 --- 29/ 8/2025 340P Boattini 20.7 457.461 8.75 1/ 9/2025 C/2024 X4 PANSTARRS 20.9 539.264 31.92 9/ 9/2025 441P PANSTARRS 20.7 497.850 8.40 11/ 9/2025 C/2022 QE78 ATLAS 16.3 819.177 --- 14/ 9/2025 248P Gibbs 18.8 322.797 14.63 25/ 9/2025 171P Spahr 17.5 264.236 6.70 26/ 9/2025 414P STEREO 16.6 78.419 4.67 7/10/2025 198P ODAS 16.6 298.416 6.81 8/10/2025 C/2025 K1 ATLAS 8.0 50.030 --- 18/10/2025 C/2024 N1 PANSTARRS 20.2 657.986 --- 22/10/2025 495P Christensen 19.2 517.595 10.37 25/10/2025 C/2025 K2 PANSTARRS 20.9 428.463 131.56 27/10/2025 47P Ashbrook-Jackson 15.2 419.992 8.36 29/10/2025 3I ATLAS 14.8 202.935 --- 30/10/2025 317P WISE 20.2 189.488 5.09 30/10/2025 P/1999 RO28 LONEOS 18.8 167.976 6.34 1/11/2025 P/2012 O1 McNaught 19.8 215.437 6.67 2/11/2025 172P Yeung 21.4 502.372 8.68 5/11/2025 503P PANSTARRS 19.8 283.837 7.00 8/11/2025 C/2025 A6 Lemmon 10.4 79.308 --- 11/11/2025 40P Vaisala 15.4 272.815 11.01 22/11/2025 210P Christensen 9.3 78.490 5.62 23/11/2025 P/2015 TO19 Lemmon-PANSTARRS 20.1 435.535 9.69 2/12/2025 313P Gibbs 20.6 362.267 5.63 2/12/2025 P/2000 R2 LINEAR 21.6 243.576 6.46 4/12/2025 489P Denning 18.1 233.554 9.31 8/12/2025 469P PANSTARRS 21.2 449.540 9.05 16/12/2025 323P-B SOHO 12.6 6.704 4.91 19/12/2025 240P NEAT 14.7 317.408 7.58 19/12/2025 P/2019 S3 PANSTARRS 22.3 270.335 6.31 20/12/2025 C/2025 L2 18.8 423.887 11057.19 21/12/2025 P/1999 XN120 Catalina 17.9 493.365 8.56 22/12/2025 235P LINEAR 16.9 295.907 6.40 24/12/2025 331P Gibbs 18.5 430.615 5.20 27/12/2025 261P Larson 18.9 301.322 6.52 28/12/2025 C/2023 X2 Lemmon 17.5 761.260 --- 8/ 1/2026 24P Schaumasse 8.0 177.108 8.17 8/ 1/2026 233P La Sagra 17.0 265.791 5.27 12/ 1/2026 C/2025 L1 ATLAS 15.3 251.248 --- 14/ 1/2026 42P Neujmin 20.0 303.618 10.78 14/ 1/2026 493P LONEOS 17.4 571.934 19.19 14/ 1/2026 A/2024 U2 21.2 1223.829 --- 17/ 1/2026 P/2009 KF37 22.2 424.113 8.34 20/ 1/2026 C/2024 E1 Wierzchos 5.2 84.711 --- 31/ 1/2026 145P Shoemaker-Levy 18.0 282.713 8.39 15/ 2/2026 131P Mueller 17.1 360.217 7.04 19/ 2/2026 303P NEAT 20.1 369.233 11.31 20/ 2/2026 C/2024 G6 ATLAS 17.6 961.891 --- 22/ 2/2026 379P Spacewatch 20.1 338.590 6.50 25/ 2/2026 243P NEAT 19.0 366.220 7.49 3/ 3/2026 218P LINEAR 17.1 169.021 5.36 11/ 3/2026 P/2021 A5 PANSTARRS 21.9 392.021 5.32 15/ 3/2026 C/2025 A3 Tsuchinshan 20.0 866.511 32.55 17/ 3/2026 350P McNaught 22.0 552.661 8.24 18/ 3/2026 88P Howell 14.5 203.109 5.48 18/ 3/2026 304P Ory 19.1 188.075 5.59 21/ 3/2026 P/2007 C2 Catalina 18.5 552.408 18.63 21/ 3/2026 C/2024 G4 PANSTARRS 18.5 733.096 --- 24/ 3/2026 138P Shoemaker-Levy 20.4 253.479 6.88 31/ 3/2026 245P WISE 19.3 329.935 8.16 1/ 4/2026 P/2012 O2 McNaught 21.1 254.569 6.92 13/ 4/2026 76P West-Kohoutek-Ikemura 15.9 238.879 6.46 13/ 4/2026 141P-I Machholz 17.8 120.769 5.32 13/ 4/2026 188P LINEAR-Mueller 18.3 380.902 9.12 13/ 4/2026 C/2023 R1 PANSTARRS 14.2 534.042 --- 15/ 4/2026 141P-B Machholz 9.3 120.833 5.34 15/ 4/2026 P/2009 WX51 Catalina 18.2 120.034 5.41 22/ 4/2026 141P Machholz 10.5 120.808 5.34 23/ 4/2026 141P-A Machholz 10.5 120.788 5.35 23/ 4/2026 P/2011 V1 Boattini 19.6 260.631 7.58 28/ 4/2026 P/2019 U4 PANSTARRS 23.9 275.972 6.60 2/ 5/2026 93P Lovas 15.0 252.610 9.15 17/ 5/2026 162P SidingSpring 14.9 192.910 5.44 18/ 5/2026 141P-D Machholz 9.3 120.697 5.37 25/ 5/2026 P/2010 H3 SOHO 13.5 7.142 5.29 26/ 5/2026 168P Hergenrother 18.5 203.219 6.79 30/ 5/2026 412P WISE 20.5 242.504 5.49 11/ 6/2026 P/2013 T2 Schwartz 19.9 261.228 6.53 11/ 6/2026 C/2025 J1 Borisov 17.9 535.647 --- 12/ 6/2026 356P WISE 20.9 400.118 8.46 14/ 6/2026 220P McNaught 17.8 233.216 5.51 15/ 6/2026 P/1996 R2 Lagerkvist 18.1 387.015 7.33 21/ 6/2026 74P Smirnova-Chernykh 19.0 722.296 11.36 23/ 6/2026 124P Mrkos 16.6 259.476 6.21 25/ 6/2026 78P Gehrels 13.8 299.903 7.21 27/ 6/2026 320P McNaught 18.2 145.940 5.45 30/ 6/2026 P/2009 B1 Boattini 19.5 366.268 17.44 1/ 7/2026 353P McNaught 19.6 330.883 8.52 2/ 7/2026 383P Christensen 20.1 213.194 6.69 6/ 7/2026 63P Wild 17.0 295.259 13.44 7/ 7/2026 398P Boattini 18.4 194.548 5.52 15/ 7/2026 P/2012 K3 Gibbs 18.4 314.283 6.92 16/ 7/2026 128P Shoemaker-Holt 16.2 454.370 9.49 22/ 7/2026 295P LINEAR 17.3 303.089 12.20 25/ 7/2026 407P PANSTARRS-Fuls 19.7 326.303 6.53 27/ 7/2026 P/2021 N1 ZTF 16.4 144.563 5.14 1/ 8/2026 346P Catalina 19.8 331.563 9.44 2/ 8/2026 10P Tempel 6.9 212.042 5.36 4/ 8/2026 260P McNaught 15.4 212.084 6.90 5/ 8/2026 C/2025 M3 PANSTARRS 21.1 961.362 5320.86 12/ 8/2026 259P Garradd 17.8 270.008 4.51 15/ 8/2026 P/2018 VN2 Leonard 19.3 317.052 8.18 19/ 8/2026 P/2005 T3 Read 20.8 935.528 20.84 25/ 8/2026 34D Gale 10.0 181.569 11.24 2/ 9/2026 175P Hergenrother 20.2 344.714 7.09 4/ 9/2026 373P Rinner 20.4 344.305 7.40 9/ 9/2026 P/2010 U1 Boattini 19.4 729.318 16.52 10/ 9/2026 C/2025 B2 Borisov 20.0 1233.400 --- 14/ 9/2026 114P Wiseman-Skiff 15.9 235.050 6.66 19/ 9/2026 14P Wolf 19.9 409.648 8.78 21/ 9/2026 112P Urata-Niijima 16.8 215.609 6.61 21/ 9/2026 169P NEAT 13.9 90.355 4.20 21/ 9/2026 460P PANSTARRS 22.6 152.069 5.27 22/ 9/2026 123P West-Hartley 18.0 322.737 7.65 23/ 9/2026 C/2025 E1 PANSTARRS 18.8 598.117 --- 14/10/2026 324P LaSagra 18.9 392.559 5.45 23/10/2026 P/2015 X3 PANSTARRS 20.9 418.786 11.17 25/10/2026 247P LINEAR 18.2 222.018 7.89 26/10/2026 435P PANSTARRS 21.2 308.497 5.25 27/10/2026 275P Hermann 21.1 248.200 13.96 7/11/2026 252P LINEAR 18.8 150.156 5.33 9/11/2026 11P Tempel-Swift-LINEAR 16.4 207.545 5.95 12/11/2026 69P Taylor 21.3 339.759 7.64 15/11/2026 82P Gehrels 23.1 542.194 8.40 15/11/2026 P/2019 X2 Pan-STARRS 21.4 271.564 6.93 23/11/2026 163P NEAT 18.2 307.485 7.29 25/11/2026 107P Wilson-Harrington 8.8 144.988 4.26 25/11/2026 C/2024 J3 ATLAS 13.9 578.229 --- 27/11/2026 161P Hartley-IRAS 10.8 189.506 21.43 1/12/2026 P/2009 Y2 Kowalski 17.5 354.641 16.72 7/12/2026 266P Christensen 19.3 347.818 6.63 15/12/2026 432P PANSTARRS 22.7 345.075 5.30 16/12/2026 149P Mueller 19.2 417.434 8.39 26/12/2026 143P Kowal-Mrkos 18.4 441.486 10.44 5/ 1/2027 P/2021 R8 Sheppard 23.9 319.653 5.25 19/ 1/2027 332P Ikeya-Murakami 20.0 235.516 5.42 19/ 1/2027 332P-A Ikeya-Murakami 11.0 235.510 5.42 19/ 1/2027 332P-C Ikeya-Murakami 18.5 235.504 5.42 20/ 1/2027 332P-H Ikeya-Murakami 21.0 235.500 5.42 21/ 1/2027 P/2012 T2 PANSTARRS 20.3 716.661 13.67 24/ 1/2027 P/2020 G1 Pimentel 13.1 75.099 6.85 26/ 1/2027 P/2007 K2 Gibbs 19.0 346.037 20.04 30/ 1/2027 P/2017 D1 Fuls 19.9 405.527 10.59 3/ 2/2027 450P LONEOS 17.1 813.690 22.34 7/ 2/2027 342P SOHO -2.4 10.858 5.30 10/ 2/2027 2P Encke 3.6 50.735 3.30 12/ 2/2027 84P Giclas 16.0 257.204 6.69 22/ 2/2027 P/2004 FY140 LINEAR 18.4 600.040 11.08 24/ 2/2027 P/2019 B2 Groeller 19.6 377.533 7.79 6/ 3/2027 P/2016 P1 PANSTARRS 20.2 341.598 5.73 12/ 3/2027 A/2025 A1 18.7 799.088 --- 15/ 3/2027 264P Larsen 18.6 397.688 8.09 15/ 3/2027 312P NEAT 21.4 297.845 6.47 15/ 3/2027 P/2013 W1 PANSTARRS 19.3 211.737 6.51 18/ 3/2027 P/2018 H2 PANSTARRS 18.3 303.587 9.26 20/ 3/2027 296P Garradd 17.8 266.672 6.46 2/ 4/2027 354P LINEAR 20.4 299.990 3.47 7/ 4/2027 160P LINEAR 18.9 268.594 7.35 19/ 4/2027 P/2020 MK4 PANSTARRS 20.0 917.056 15.53 25/ 4/2027 371P LINEAR-Skiff 21.9 327.366 8.55 30/ 4/2027 156P Russell-LINEAR 18.0 199.510 6.44 3/ 5/2027 461P WISE 21.6 202.476 5.58 4/ 5/2027 P/2017 S8 PANSTARRS 20.2 253.087 4.63 6/ 5/2027 C/2024 T5 ATLAS 14.6 574.662 --- 13/ 5/2027 417P NEOWISE 16.9 223.875 6.13 21/ 5/2027 P/2010 H4 Scotti 20.3 725.581 17.03 22/ 5/2027 430P Scotti 19.8 231.973 5.47 26/ 5/2027 P/2019 A4 PANSTARRS 21.3 356.923 4.23 27/ 5/2027 P/2016 A7 PANSTARRS 20.1 326.609 11.43 5/ 6/2027 182P LONEOS 19.2 148.237 5.06 21/ 6/2027 178P Hug-Bell 18.4 281.364 6.92 24/ 6/2027 298P Christensen 20.7 329.068 6.80 24/ 6/2027 406P Gibbs 20.6 245.794 6.77 29/ 6/2027 288P 20.0 365.278 5.33 2/ 7/2027 73P-BU Schwassmann-Wachmann 15.7 138.487 4.83 9/ 7/2027 P/2010 D2 WISE 24.9 550.921 17.41 15/ 7/2027 92P Sanguin 16.7 271.811 12.36 20/ 7/2027 201P LONEOS 16.3 181.916 6.14 22/ 7/2027 139P Vaisala-Oterma 17.7 507.557 9.59 24/ 7/2027 223P Skiff 17.8 363.139 8.48 24/ 7/2027 344P Read 20.1 418.525 10.70 4/ 8/2027 231P LINEAR-NEAT 19.9 461.855 8.19 6/ 8/2027 P/2004 V5 LINEAR-Hill 18.1 663.265 22.81 7/ 8/2027 P/2004 V5-B LINEAR-Hill 18.1 663.266 22.81 9/ 8/2027 P/2012 T3 PANSTARRS 19.4 354.190 15.28 17/ 8/2027 P/2021 Q5 ATLAS 17.1 184.608 5.96 24/ 8/2027 359P LONEOS 20.2 470.128 10.00 27/ 8/2027 P/2020 T3 PANSTARRS 20.6 214.378 6.59 29/ 8/2027 7P Pons-Winnecke 11.6 177.632 6.23 31/ 8/2027 45P Honda-Mrkos-Pajdusakova 8.5 83.422 5.34 7/ 9/2027 P/1998 VS24 LINEAR 18.1 511.546 9.61 13/ 9/2027 189P NEAT 19.8 179.950 5.04 13/ 9/2027 206P Barnard-Boattini 21.1 234.456 6.52 13/ 9/2027 P/2014 U4 PANSTARRS 20.6 281.794 6.58 14/ 9/2027 278P McNaught 18.8 298.096 6.94 14/ 9/2027 300P Catalina 13.8 124.171 4.43 15/ 9/2027 183P Korlevic-Juric 19.2 632.171 10.22 19/ 9/2027 348P PANSTARRS 19.4 326.487 5.59 25/ 9/2027 255P Levy 9.0 126.742 5.05 25/ 9/2027 329P LINEAR-Catalina 16.8 248.931 11.80 25/ 9/2027 449P Leonard 19.7 280.158 6.83 2/10/2027 P/2011 Y2 Boattini 18.8 269.082 15.54 12/10/2027 104P Kowal 16.3 160.379 5.75 12/10/2027 P/2013 T1 PANSTARRS 20.5 329.748 14.17 12/10/2027 P/2022 R5 PANSTARRS 21.0 369.831 5.38 20/10/2027 297P Beshore 21.8 382.673 6.75 25/10/2027 438P Christensen 19.7 337.671 7.56 26/10/2027 C/2024 R4 PANSTARRS 16.3 659.591 --- 29/10/2027 357P Hill 20.5 375.874 9.40 29/10/2027 405P Lemmon 18.7 167.011 6.84 2/11/2027 75D Kohoutek 13.8 264.786 6.65 3/11/2027 400P PANSTARRS 18.2 314.613 6.72 10/11/2027 483P-A PANSTARRS 20.1 371.757 5.71 10/11/2027 483P-B PANSTARRS 23.6 371.776 5.71 16/11/2027 315P LONEOS 16.6 352.879 10.97 17/11/2027 428P Gibbs 18.5 251.455 6.52 19/11/2027 C/2025 M2 PANSTARRS 20.6 407.358 --- 21/11/2027 197P LINEAR 18.3 165.861 4.96 23/11/2027 73P-BY Schwassmann-Wachmann 18.4 139.309 5.23 27/11/2027 P/2014 V1 PANSTARRS 20.1 382.644 12.83 29/11/2027 293P Spacewatch 18.9 315.861 6.94 3/12/2027 C/2024 D1 Lemmon 19.5 1001.275 --- 11/12/2027 73P-T Schwassmann-Wachmann 9.7 128.686 5.28 13/12/2027 73P Schwassmann-Wachmann 11.8 128.745 5.28 18/12/2027 369P Hill 18.2 290.899 9.16 19/12/2027 56P Slaughter-Burnham 16.1 372.406 11.39 21/12/2027 397P Lemmon 17.2 341.375 7.50 30/12/2027 P/2011 N1 ASH 17.8 423.881 15.56 1/ 1/2028 257P Catalina 17.1 322.006 7.31 3/ 1/2028 73P-BX Schwassmann-Wachmann 18.2 130.147 5.37 16/ 1/2028 73P-C Schwassmann-Wachmann 10.0 139.816 5.38 17/ 1/2028 73P-BV Schwassmann-Wachmann 19.7 130.816 5.42 20/ 1/2028 73P-BT Schwassmann-Wachmann 12.4 139.802 5.39 22/ 1/2028 73P-B Schwassmann-Wachmann B 10.0 139.794 5.39 24/ 1/2028 238P Read 20.5 355.123 5.64 31/ 1/2028 17P Holmes 17.1 312.537 6.95 3/ 2/2028 73P-E Schwassmann-Wachmann 9.9 139.860 5.40 4/ 2/2028 187P LINEAR 18.0 574.297 9.70 6/ 2/2028 9P Tempel 13.3 259.550 5.96 9/ 2/2028 15P Finlay 13.3 149.126 6.58 16/ 2/2028 41P Tuttle-Giacobini-Kresak 10.8 157.213 5.43 25/ 2/2028 157P-B Tritton 18.6 232.133 5.47 29/ 2/2028 191P McNaught 18.9 334.921 6.95 4/ 3/2028 57P duToit-Neujmin-Delporte 18.1 256.662 6.38 5/ 3/2028 439P LINEAR 18.2 277.346 6.53 10/ 3/2028 484P Spacewatch 19.9 318.694 7.28 14/ 3/2028 P/2014 A2 Hill 19.7 312.947 14.41 15/ 3/2028 59P Kearns-Kwee 14.6 350.414 9.48 18/ 3/2028 31P Schwassmann-Wachmann 17.9 510.488 8.70 23/ 3/2028 184P Lovas 18.0 256.002 7.41 31/ 3/2028 64P Swift-Gehrels 15.6 207.528 9.39 1/ 4/2028 6P d'Arrest 14.4 203.053 6.54 1/ 4/2028 221P LINEAR 17.7 241.768 6.23 9/ 4/2028 67P Churyumov-Gerasimenko 13.4 181.180 6.43 20/ 4/2028 16P Brooks 16.7 281.814 7.01 1/ 5/2028 P/2020 U2 PANSTARRS 22.9 276.173 7.34 11/ 5/2028 391P Kowalski 17.2 618.818 10.16 12/ 5/2028 98P Takamizawa 13.5 244.623 7.35 14/ 5/2028 336P McNaught 19.3 416.802 11.30 17/ 5/2028 301P LINEAR-NEAT 18.2 356.032 13.80 20/ 5/2028 C/2025 D1 Groeller 18.5 2112.115 --- 24/ 5/2028 372P McNaught 22.5 573.071 9.59 1/ 6/2028 193P LINEAR-NEAT 19.3 325.271 6.77 2/ 6/2028 P/2010 UH55 Spacewatch 18.5 432.905 17.14 15/ 6/2028 419P PANSTARRS 17.9 384.190 6.65 17/ 6/2028 239P LINEAR 20.6 246.061 9.43 3/ 7/2028 P/2014 C1 TOTAS 21.4 396.452 8.08 10/ 7/2028 102P Shoemaker 14.4 310.912 7.47 11/ 7/2028 22P Kopff 6.1 225.029 6.30 25/ 7/2028 277P LINEAR 20.0 284.561 7.56 29/ 7/2028 137P Shoemaker-Levy 15.2 289.009 9.62 4/ 8/2028 385P Hill 19.3 383.818 8.88 8/ 8/2028 380P PANSTARRS 19.8 443.137 9.37 8/ 8/2028 431P Scotti 18.1 271.878 6.48 20/ 8/2028 230P LINEAR 16.4 234.954 6.42 22/ 8/2028 110P Hartley 15.2 366.998 6.84 4/ 9/2028 58P Jackson-Neujmin 16.3 207.097 8.28 4/ 9/2028 P/2021 PE20 ATLAS 17.1 184.929 7.25 5/ 9/2028 228P LINEAR 22.7 512.157 8.49 13/ 9/2028 205P Giacobini 13.9 229.417 6.67 16/ 9/2028 429P LINEAR-Hill 18.7 270.862 6.71 17/ 9/2028 P/2021 R3 PANSTARRS 21.5 376.869 7.32 20/ 9/2028 232P Hill 18.9 443.921 9.45 21/ 9/2028 P/2010 C1 Scotti 20.6 785.090 19.04 1/10/2028 284P McNaught 17.4 344.372 7.06 3/10/2028 413P Larson 19.8 325.440 7.22 9/10/2028 P/2006 HR30 Siding Spring 12.1 182.404 21.77 11/10/2028 P/2020 S5 PANSTARRS 20.0 402.338 8.18 12/10/2028 399P PANSTARRS 18.1 313.691 7.39 13/10/2028 386P PANSTARRS 20.5 352.801 8.15 24/10/2028 91P Russell 17.8 460.927 8.43 5/11/2028 36P Whipple 17.4 453.430 8.43 5/11/2028 P/2025 D2 PANSTARRS 21.4 1096.050 26.65 19/11/2028 P/2016 R4 Gibbs 19.1 419.480 12.33 20/11/2028 70P Kojima 16.8 299.759 7.05 24/11/2028 215P NEAT 19.6 541.668 9.03 30/11/2028 394P PANSTARRS 20.9 408.761 9.00 1/12/2028 C/2023 RS61 20.1 1196.451 41.05 2/12/2028 83D Russell 14.6 321.129 7.53 2/12/2028 307P LINEAR 18.5 281.434 13.93 8/12/2028 108P Ciffreo 14.5 248.858 7.24 11/12/2028 19P Borrelly 5.4 195.539 6.85 12/12/2028 106P Schuster 16.1 229.151 7.32 13/12/2028 C/2025 K3 PANSTARRS 14.6 518.932 --- 26/12/2028 53P VanBiesbroeck 15.0 366.443 12.69 22/ 1/2029 P/2019 W1 PANSTARRS 20.6 498.638 9.70 26/ 1/2029 P/2005 S2 Skiff 19.6 957.362 22.56 1/ 2/2029 P/2011 FR143 Lemmon 19.4 563.628 18.06 23/ 2/2029 416P Scotti 19.5 326.337 8.02 3/ 3/2029 292P Li 18.8 374.003 15.05 8/ 3/2029 4P Faye 13.0 242.769 7.50 13/ 3/2029 P/2013 J2 McNaught 18.7 320.762 15.55 19/ 3/2029 P/2012 F2 PANSTARRS 19.0 436.245 15.99 19/ 3/2029 P/2014 M4 PANSTARRS 21.2 354.341 14.20 27/ 3/2029 P/2012 G1 PANSTARRS 20.8 417.464 8.49 1/ 4/2029 87P Bus 22.8 511.787 9.11 4/ 4/2029 120P Mueller 18.6 371.704 7.91 22/ 5/2029 P/2010 H5 Scotti 20.5 906.096 19.20 24/ 5/2029 115P Maury 16.4 308.007 8.83 13/ 6/2029 415P Tenagra 20.1 494.373 8.33 21/ 6/2029 361P Spacewatch 19.3 413.610 10.96 21/ 6/2029 P/2019 S2 PANSTARRS 21.7 564.841 10.34 28/ 6/2029 P/2013 AL76 Catalina 21.5 305.807 16.57 22/ 7/2029 290P Jager 16.7 345.543 15.49 28/ 7/2029 P/2018 L4 PANSTARRS 19.4 252.962 11.01 3/ 8/2029 C/2025 M1 PANSTARRS 18.3 1620.006 --- 17/ 8/2029 151P Helin 17.1 368.783 13.85 24/ 8/2029 186P Garradd 17.0 636.639 10.70 28/ 8/2029 258P PANSTARRS 21.7 518.940 9.19 29/ 9/2029 P/2020 K9 Lemmon-PANSTARRS 18.4 427.920 8.63 7/10/2029 P/2015 R1 PANSTARRS 18.0 323.241 14.28 23/10/2029 246P NEAT 18.8 503.140 8.93 4/11/2029 343P NEAT-LONEOS 18.1 339.023 12.75 26/11/2029 265P LINEAR 16.5 225.211 8.80 6/12/2029 P/2022 BV9 Lemmon 17.3 500.598 9.12 18/12/2029 P/2009 Q5 McNaught 17.0 434.037 20.24 8/ 1/2030 134P Kowal-Vavrova 18.1 389.045 15.71 14/ 2/2030 374P Larson 20.5 398.921 11.08 8/ 3/2030 P/2012 B1 PANSTARRS 17.3 577.303 16.73 13/ 3/2030 387P Boattini 17.3 188.781 10.51 15/ 3/2030 P/2017 U3 PANSTARRS 20.6 661.713 10.91 18/ 3/2030 P/2020 X1 ATLAS 20.5 431.336 9.66 8/ 4/2030 203P Korlevic 19.9 477.427 10.09 6/ 5/2030 P/2019 A1 PANSTARRS 21.7 328.616 11.56 7/ 5/2030 393P Spacewatch-Hill 20.8 632.699 10.52 26/ 5/2030 P/2014 L2 NEOWISE 17.4 334.160 15.86 15/ 6/2030 P/2014 X1 Elenin 19.8 268.024 15.43 30/ 7/2030 P/2017 K3 Gasparovic 19.7 351.814 13.21 6/ 8/2030 200P Larsen 16.5 495.661 11.02 16/ 8/2030 270P Gehrels 16.5 526.984 17.14 22/10/2030 P/2001 H5 NEAT 18.5 365.368 15.04 27/11/2030 68P Klemola 16.8 270.475 11.06 11/12/2030 P/2015 P4 PANSTARRS 19.6 375.527 14.88 15/12/2030 262P McNaught-Russell 14.6 189.137 18.00 21/12/2030 P/2011 P1 McNaught 19.6 752.006 20.38 16/ 1/2031 C/2014 UN271 Bernardinelli-Berns 16.0 1639.664 --- 25/ 1/2031 P/2009 O3 Hill 19.0 364.981 21.67 25/ 1/2031 P/2019 A6 Lemmon-PANSTARRS 19.6 288.209 12.40 31/ 1/2031 P/2018 A5 PANSTARRS 20.8 400.068 13.34 2/ 4/2031 P/2013 N5 PANSTARRS 21.9 273.188 17.73 22/ 5/2031 55P Tempel-Tuttle 10.4 145.762 33.23 11/ 6/2031 P/2009 T2 La Sagra 18.7 268.116 21.40 31/ 7/2031 P/2018 C1 Lemmon-Read 20.5 394.947 13.43 23/ 9/2031 368P NEAT 17.6 310.047 13.02 5/10/2031 140P Bowell-Skiff 18.1 292.509 16.24 6/10/2031 P/2008 Y3 McNaught 18.5 663.359 22.78 5/12/2031 P/2012 U2 PANSTARRS 20.1 532.509 19.02 23/12/2031 P/2008 O3 Boattini 18.6 373.148 23.52 11/ 1/2032 P/2011 JB15 Spacewatch-Boattini 19.9 756.533 20.05 14/ 1/2032 375P Hill 18.7 281.823 13.06 18/ 1/2032 P/2013 G1 Kowalski 19.5 506.357 18.15 1/ 2/2032 P/2015 C1 TOTAS-Gibbs 18.6 422.432 16.74 3/ 2/2032 P/2011 C2 Gibbs 19.7 807.736 20.17 21/ 3/2032 271P van Houten-Lemmon 20.8 635.594 18.65 30/ 4/2032 308P Lagerkvist-Carsenty 19.7 627.985 16.96 17/ 5/2032 90P Gehrels 18.6 443.263 14.90 26/ 7/2032 159P LONEOS 18.7 540.867 14.17 2/11/2032 P/2015 K5 PANSTARRS 21.2 451.304 17.45 23/11/2032 P/2014 W4 PANSTARRS 20.0 634.704 16.88 11/ 7/2033 269P Jedicke 19.5 598.113 18.75 5/ 9/2033 330P Catalina 19.6 444.708 17.01 9/ 4/2034 P/2013 N3 PANSTARRS 20.8 453.328 20.16 27/ 5/2034 P/2005 T4 SWAN 13.7 96.951 28.60 29/ 5/2034 P/2010 JC81 WISE 13.7 269.027 23.06 1/ 7/2034 P/2015 D6 Lemmon-PANSTARRS 20.5 678.664 18.99 14/12/2034 P/2015 PD229 Cameron-ISON 18.5 727.801 19.35 25/ 2/2035 P/2014 O3 PANSTARRS 20.9 701.016 20.90 16/ 3/2035 P/2015 M2 PANSTARRS 20.4 892.543 19.54 1/ 8/2035 P/2010 E2 Jarnac 20.3 360.468 25.37 1/ 2/2037 P/2012 NJ La Sagra 17.4 194.443 24.64 18/ 7/2037 P/2010 J3 McMillan 16.1 370.868 26.95 25/ 5/2039 27P Crommelin 10.5 110.358 27.81 12/ 8/2046 95P Chiron 16.0 1273.640 50.69 1/ 6/2059 23P Brorsen-Metcalf 5.8 69.486 69.72 29/ 8/2061 1P Halley -0.6 87.221 75.50 10/ 4/2092 35P Herschel-Rigollet 8.8 109.785 152.41 |
Distance moyenne de la Terre au Soleil = 1 UA = 149.597.870 km
La Période de révolution est donnée par la formule : Période= avec a= demi-grand axe de l'orbite en UA en application de la 3ème loi de Kepler : Les carrés des temps des révolutions sidérales sont proportionnels aux cubes des grands axes de leurs orbites.
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Au fur et à mesure qu'une comète s'approche du Soleil, une partie de la glace composant son noyau se vaporise, entraînant l'apparition d'une enveloppe gazeuse, la chevelure ou "coma". Les gaz et poussières expulsés, repoussés par le vent solaire et la pression du rayonnement solaire, composent alors les queues (de poussières et de plasma) de la comète, en direction opposée au Soleil.
A proximité du périhélie, la comète est à son maximum de dégazage et en conséquence, les queues de poussières et de plasma atteignent leur plus grande longueur.
Quelques comètes, subissant au maximum les effets gravitationnels du Soleil, ne résistent pas et se brisent en plusieurs morceaux au cours de leur approche au plus près du Soleil, devenant ainsi beaucoup plus lumineuses.
C'est à l'approche du Soleil que se forme une queue de poussières, |
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