C/1977 H1	151P/Helin
P/1987 Q3	Helin
P/1989 A2	111P/Helin-Roman-Crockett
C/1989 R1	Helin-Roman
C/1989 T1	Helin-Roman-Alu
P/1989 T2	117P/Helin-Roman-Alu
P/1989 U1	132P/Helin-Roman-Alu
C/1991 F2	Helin-Lawrence
C/1991 L4	Helin-Alu
C/1992 A1	Helin-Alu
C/1992 Q2	Helin-Lawrence
P/1993 K2	152P/Helin-Lawrence