                  1P/HALLEY 1 (1682 Q1)                                       
                   2P/ENCKE 1 (1818 W1)                                       
                    4P/FAYE 1 (1843 W1)                                       
        23P/BRORSEN-METCALF 1 (1847 O1)                                       
                6P/D'ARREST 1 (1851 M1)                                       
                  8P/TUTTLE 1 (1858 A1)                                       
           7P/PONS-WINNECKE 1 (1858 E1)                                       
          109P/SWIFT-TUTTLE 1 (1862 O1)                                       
                  9P/TEMPEL 1 (1867 G1)                                       
                 10P/TEMPEL 2 (1873 N1)                                       
       21P/GIACOBINI-ZINNER 1 (1900 Y1)                                       
               19P/BORRELLY 1 (1904 Y2)                                       
                  22P/KOPFF 1 (1906 Q1)                                       
     97P/METCALF-BREWINGTON 1 (1906 V2)                                       
             24P/SCHAUMASSE 1 (1911 X1)                                       
       26P/GRIGG-SKJELLERUP 1 (1922 K1)                                       
   29P/SCHWASSMANN-WACHMANN 1 (1927 V1)                                       
              27P/CROMMELIN 1 (1928 W1)                                       
         38P/STEPHAN-OTERMA 1 (1942 V1)                                       
45P/HONDA-MRKOS-PAJDUSAKOVA 1 (1948 X1)                                       
           49P/AREND-RIGAUX 1 (1951 C2)                                       
  67P/CHURYUMOV-GERASIMENKO 1 (1969 R1)                                       
                   C/SERGEANT (1978 T1)                                       
                  C/BRADFIELD (1979 Y1)                                       
          140P/BOWELL-SKIFF 1 (1980 E1)                                       
                      C/MEIER (1980 V1)                                       
                    C/PANTHER (1980 Y2)                                       
                     C/AUSTIN (1982 M1)                                       
          C/IRAS-ARAKI-ALCOCK (1983 H1)                                       
    C/SUGANO-SAIGUSA-FUJIKAWA (1983 J1)                                       
                     C/CERNIS (1983 O1)                                       
             98P/TAKAMIZAWA 1 (1984 O1)                                       
               C/LEVY-RUDENKO (1984 V1)                                       
               C/HARTLEY-GOOD (1985 R1)                                       
                     C/WILSON (1986 P1)                                       
  C/NISHIKAWA-TAKAMIZAWA-TAGO (1987 B1)                                       
                  C/BRADFIELD (1987 P1)                                       
                   C/MCNAUGHT (1987 U3)                                       
                   C/ICHIMURA (1987 W1)                                       
                     C/YANAKA (1989 A1)                                       
       C/OKAZAKI-LEVY-RUDENKO (1989 Q1)                                       
                     C/AUSTIN (1989 X1)                                       
                     P/LEVY 1 (1991 L3)                                       
             C/SHOEMAKER-LEVY (1991 T2)                                       
         C/ZANOTTA-BREWINGTON (1991 Y1)                                       
              141P/MACHHOLZ 2 (1994 P1-A)                                     
         P/MCNAUGHT-RUSSELL 1 (1994 X1)                                       
                  C/HALE-BOPP (1995 O1)                                       
                  C/HYAKUTAKE (1996 B2)                                       
