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IAU Minor Planet Center

Minor Planet Center

MPEC 2006-C49 : COMETS C/1996 X3, 1996 X4, 1996 X5, 1997 B5, 1997 B6, 1997 B7 (SOHO)

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M.P.E.C. 2006-C49                                Issued 2006 Feb. 8, 21:45 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

                  Supported in part by the Brinson Foundation
                  Supported in part by the TABASGO Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

     COMETS C/1996 X3, 1996 X4, 1996 X5, 1997 B5, 1997 B6, 1997 B7 (SOHO)

Observations:
    CJ96X030 2S1996 12 05.62854 16 56 49.0  -22 39 08                   EC049249
    CJ96X030 2s1996 12 05.62854 2 -0.00269220 -0.00944063 -0.00506902   EC049249
    CJ96X030 2S1996 12 05.68417 16 55 46.4  -22 32 27                   EC049249
    CJ96X030 2s1996 12 05.68417 2 -0.00268988 -0.00944142 -0.00506948   EC049249
    CJ96X030 2S1996 12 05.71833 16 55 02.9  -22 28 24                   EC049249
    CJ96X030 2s1996 12 05.71833 2 -0.00268844 -0.00944190 -0.00506975   EC049249
    CJ96X030 2S1996 12 06.05218 16 47 54.2  -21 52 01                   EC049249
    CJ96X030 2s1996 12 06.05218 2 -0.00267438 -0.00944659 -0.00507239   EC049249
    CJ96X030 2S1996 12 06.09381 16 47 06.3  -21 48 18                   EC049249
    CJ96X030 2s1996 12 06.09381 2 -0.00267262 -0.00944718 -0.00507271   EC049249
    CJ96X030 2S1996 12 06.13548 16 46 17.1  -21 44 22                   EC049249
    CJ96X030 2s1996 12 06.13548 2 -0.00267085 -0.00944776 -0.00507303   EC049249
    CJ96X040 2S1996 12 05.81256 16 57 02.8  -22 36 25                   EC049249
    CJ96X040 2s1996 12 05.81256 2 -0.00268449 -0.00944323 -0.00507051   EC049249
    CJ96X040 2S1996 12 05.90841 16 55 05.1  -22 25 39                   EC049249
    CJ96X040 2s1996 12 05.90841 2 -0.00268046 -0.00944458 -0.00507127   EC049249
    CJ96X040 2S1996 12 05.95493 16 54 04.7  -22 19 19                   EC049249
    CJ96X040 2s1996 12 05.95493 2 -0.00267849 -0.00944523 -0.00507164   EC049249
    CJ96X040 2S1996 12 06.21187 16 48 35.9  -21 52 52                   EC049249
    CJ96X040 2s1996 12 06.21187 2 -0.00266760 -0.00944882 -0.00507361   EC049249
    CJ96X040 2S1996 12 06.25701 16 47 42.6  -21 48 49                   EC049249
    CJ96X040 2s1996 12 06.25701 2 -0.00266568 -0.00944944 -0.00507395   EC049249
    CJ96X040 2S1996 12 06.29176 16 47 00.0  -21 45 37                   EC049249
    CJ96X040 2s1996 12 06.29176 2 -0.00266420 -0.00944993 -0.00507421   EC049249
    CJ96X040 2S1996 12 06.32993 16 46 17.4  -21 44 04                   EC049249
    CJ96X040 2s1996 12 06.32993 2 -0.00266257 -0.00945045 -0.00507449   EC049249
    CJ96X040 3S1996 12 06.38895 16 45 09.4  -21 37 15                   EC049249
    CJ96X040 3s1996 12 06.38895 2 -0.00266005 -0.00945127 -0.00507492   EC049249
    CJ96X040 3S1996 12 06.51404 16 43 10.2  -21 27 42                   EC049249
    CJ96X040 3s1996 12 06.51404 2 -0.00265468 -0.00945299 -0.00507583   EC049249
    CJ96X040 3S1996 12 06.54868 16 42 41.4  -21 25 46                   EC049249
    CJ96X040 3s1996 12 06.54868 2 -0.00265320 -0.00945346 -0.00507608   EC049249
    CJ96X040 3S1996 12 06.59034 16 42 06.8  -21 23 30                   EC049249
    CJ96X040 3s1996 12 06.59034 2 -0.00265140 -0.00945403 -0.00507637   EC049249
    CJ96X040 3S1996 12 06.63201 16 41 37.2  -21 21 50                   EC049249
    CJ96X040 3s1996 12 06.63201 2 -0.00264961 -0.00945460 -0.00507667   EC049249
    CJ96X040 3S1996 12 06.67367 16 41 08.2  -21 20 15                   EC049249
    CJ96X040 3s1996 12 06.67367 2 -0.00264781 -0.00945516 -0.00507696   EC049249
    CJ96X040 3S1996 12 06.71534 16 40 44.5  -21 18 47                   EC049249
    CJ96X040 3s1996 12 06.71534 2 -0.00264601 -0.00945573 -0.00507725   EC049249
    CJ96X040 3S1996 12 06.75701 16 40 17.3  -21 16 51                   EC049249
    CJ96X040 3s1996 12 06.75701 2 -0.00264421 -0.00945629 -0.00507753   EC049249
    CJ96X040 3S1996 12 06.79870 16 39 59.2  -21 15 51                   EC049249
    CJ96X040 3s1996 12 06.79870 2 -0.00264240 -0.00945686 -0.00507782   EC049249
    CJ96X040 3S1996 12 06.83357 16 39 44.2  -21 14 49                   EC049249
    CJ96X040 3s1996 12 06.83357 2 -0.00264089 -0.00945733 -0.00507806   EC049249
    CJ96X040 3S1996 12 06.87009 16 39 26.2  -21 14 29                   EC049249
    CJ96X040 3s1996 12 06.87009 2 -0.00263923 -0.00945784 -0.00507831   EC049249
    CJ96X040 3S1996 12 06.94371 16 39 00.8  -21 13 19                   EC049249
    CJ96X040 3s1996 12 06.94371 2 -0.00263610 -0.00945881 -0.00507879   EC049249
    CJ96X040 3S1996 12 06.98965 16 38 47.0  -21 12 14                   EC049249
    CJ96X040 3s1996 12 06.98965 2 -0.00263410 -0.00945942 -0.00507910   EC049249
    CJ96X040 3S1996 12 07.05643 16 38 29.4  -21 12 31                   EC049249
    CJ96X040 3s1996 12 07.05643 2 -0.00263119 -0.00946031 -0.00507953   EC049249
    CJ96X050 2S1996 12 05.90841 16 56 20.3  -22 31 51                   EC049249
    CJ96X050 2s1996 12 05.90841 2 -0.00268046 -0.00944458 -0.00507127   EC049249
    CJ96X050 2S1996 12 05.95493 16 55 21.6  -22 26 45                   EC049249
    CJ96X050 2s1996 12 05.95493 2 -0.00267849 -0.00944523 -0.00507164   EC049249
    CJ96X050 2S1996 12 06.21187 16 49 49.2  -21 58 21                   EC049249
    CJ96X050 2s1996 12 06.21187 2 -0.00266760 -0.00944882 -0.00507361   EC049249
    CJ96X050 2S1996 12 06.25701 16 48 53.4  -21 53 51                   EC049249
    CJ96X050 2s1996 12 06.25701 2 -0.00266568 -0.00944944 -0.00507395   EC049249
    CJ96X050 2S1996 12 06.29176 16 48 11.0  -21 50 30                   EC049249
    CJ96X050 2s1996 12 06.29176 2 -0.00266420 -0.00944993 -0.00507421   EC049249
    CJ96X050 2S1996 12 06.32993 16 47 26.2  -21 47 59                   EC049249
    CJ96X050 2s1996 12 06.32993 2 -0.00266257 -0.00945045 -0.00507449   EC049249
    CJ96X050 3S1996 12 06.38895 16 46 15.2  -21 41 42                   EC049249
    CJ96X050 3s1996 12 06.38895 2 -0.00266005 -0.00945127 -0.00507492   EC049249
    CJ96X050 3S1996 12 06.51404 16 44 07.8  -21 31 04                   EC049249
    CJ96X050 3s1996 12 06.51404 2 -0.00265468 -0.00945299 -0.00507583   EC049249
    CJ96X050 3S1996 12 06.54868 16 43 36.2  -21 29 09                   EC049249
    CJ96X050 3s1996 12 06.54868 2 -0.00265320 -0.00945346 -0.00507608   EC049249
    CJ96X050 3S1996 12 06.59034 16 42 58.3  -21 26 35                   EC049249
    CJ96X050 3s1996 12 06.59034 2 -0.00265140 -0.00945403 -0.00507637   EC049249
    CJ96X050 3S1996 12 06.63201 16 42 26.8  -21 24 20                   EC049249
    CJ96X050 3s1996 12 06.63201 2 -0.00264961 -0.00945460 -0.00507667   EC049249
    CJ96X050 3S1996 12 06.67367 16 41 55.0  -21 22 12                   EC049249
    CJ96X050 3s1996 12 06.67367 2 -0.00264781 -0.00945516 -0.00507696   EC049249
    CJ96X050 3S1996 12 06.71534 16 41 27.2  -21 20 39                   EC049249
    CJ96X050 3s1996 12 06.71534 2 -0.00264601 -0.00945573 -0.00507725   EC049249
    CJ96X050 3S1996 12 06.75701 16 41 00.8  -21 19 13                   EC049249
    CJ96X050 3s1996 12 06.75701 2 -0.00264421 -0.00945629 -0.00507753   EC049249
    CJ96X050 3S1996 12 06.79870 16 40 37.4  -21 17 16                   EC049249
    CJ96X050 3s1996 12 06.79870 2 -0.00264240 -0.00945686 -0.00507782   EC049249
    CJ96X050 3S1996 12 06.83357 16 40 18.9  -21 16 10                   EC049249
    CJ96X050 3s1996 12 06.83357 2 -0.00264089 -0.00945733 -0.00507806   EC049249
    CJ96X050 3S1996 12 06.87009 16 40 00.3  -21 15 31                   EC049249
    CJ96X050 3s1996 12 06.87009 2 -0.00263923 -0.00945784 -0.00507831   EC049249
    CJ96X050 3S1996 12 06.87740 16 39 58.4  -21 15 14                   EC049249
    CJ96X050 3s1996 12 06.87740 2 -0.00263891 -0.00945794 -0.00507836   EC049249
    CJ96X050 3S1996 12 06.94371 16 39 30.6  -21 14 10                   EC049249
    CJ96X050 3s1996 12 06.94371 2 -0.00263610 -0.00945881 -0.00507879   EC049249
    CJ96X050 3S1996 12 06.98965 16 39 15.3  -21 13 12                   EC049249
    CJ96X050 3s1996 12 06.98965 2 -0.00263410 -0.00945942 -0.00507910   EC049249
    CJ96X050 3S1996 12 07.05643 16 38 54.5  -21 12 44                   EC049249
    CJ96X050 3s1996 12 07.05643 2 -0.00263119 -0.00946031 -0.00507953   EC049249
    CJ97B050 2S1997 01 29.49659 20 55 32.9  -16 50 31                   EC049249
    CJ97B050 2s1997 01 29.49659 2 +0.00239494 -0.00876968 -0.00371490   EC049249
    CJ97B050 2S1997 01 29.52645 20 54 57.0  -16 48 30                   EC049249
    CJ97B050 2s1997 01 29.52645 2 +0.00240023 -0.00876741 -0.00371296   EC049249
    CJ97B050 2S1997 01 29.55889 20 54 15.7  -16 46 02                   EC049249
    CJ97B050 2s1997 01 29.55889 2 +0.00240598 -0.00876494 -0.00371084   EC049249
    CJ97B050 2S1997 01 29.58062 20 53 48.4  -16 44 23                   EC049249
    CJ97B050 2s1997 01 29.58062 2 +0.00240983 -0.00876328 -0.00370942   EC049249
    CJ97B050 2S1997 01 29.60423 20 53 17.9  -16 42 54                   EC049249
    CJ97B050 2s1997 01 29.60423 2 +0.00241402 -0.00876148 -0.00370788   EC049249
    CJ97B050 2S1997 01 29.62645 20 52 50.2  -16 41 19                   EC049249
    CJ97B050 2s1997 01 29.62645 2 +0.00241796 -0.00875978 -0.00370643   EC049249
    CJ97B050 2S1997 01 29.64729 20 52 22.2  -16 40 03                   EC049249
    CJ97B050 2s1997 01 29.64729 2 +0.00242166 -0.00875818 -0.00370506   EC049249
    CJ97B050 2S1997 01 29.66604 20 51 58.2  -16 38 55                   EC049249
    CJ97B050 2s1997 01 29.66604 2 +0.00242499 -0.00875674 -0.00370384   EC049249
    CJ97B050 2S1997 01 29.68757 20 51 29.2  -16 37 48                   EC049249
    CJ97B050 2s1997 01 29.68757 2 +0.00242882 -0.00875508 -0.00370243   EC049249
    CJ97B050 2S1997 01 29.72927 20 50 34.3  -16 35 32                   EC049249
    CJ97B050 2s1997 01 29.72927 2 +0.00243623 -0.00875187 -0.00369969   EC049249
    CJ97B050 2S1997 01 29.77333 20 49 35.3  -16 33 22                   EC049249
    CJ97B050 2s1997 01 29.77333 2 +0.00244407 -0.00874846 -0.00369680   EC049249
    CJ97B050 2S1997 01 29.81256 20 48 43.4  -16 31 40                   EC049249
    CJ97B050 2s1997 01 29.81256 2 +0.00245106 -0.00874542 -0.00369422   EC049249
    CJ97B060 2S1997 01 29.60423 20 56 08.6  -16 48 56                   EC049249
    CJ97B060 2s1997 01 29.60423 2 +0.00241402 -0.00876148 -0.00370788   EC049249
    CJ97B060 2S1997 01 29.62645 20 55 40.1  -16 47 12                   EC049249
    CJ97B060 2s1997 01 29.62645 2 +0.00241796 -0.00875978 -0.00370643   EC049249
    CJ97B060 2S1997 01 29.64729 20 55 14.1  -16 45 45                   EC049249
    CJ97B060 2s1997 01 29.64729 2 +0.00242166 -0.00875818 -0.00370506   EC049249
    CJ97B060 2S1997 01 29.66604 20 54 50.6  -16 44 14                   EC049249
    CJ97B060 2s1997 01 29.66604 2 +0.00242499 -0.00875674 -0.00370384   EC049249
    CJ97B060 2S1997 01 29.68757 20 54 23.8  -16 43 00                   EC049249
    CJ97B060 2s1997 01 29.68757 2 +0.00242882 -0.00875508 -0.00370243   EC049249
    CJ97B060 2S1997 01 29.72927 20 53 30.8  -16 39 54                   EC049249
    CJ97B060 2s1997 01 29.72927 2 +0.00243623 -0.00875187 -0.00369969   EC049249
    CJ97B060 2S1997 01 29.77333 20 52 32.2  -16 37 05                   EC049249
    CJ97B060 2s1997 01 29.77333 2 +0.00244407 -0.00874846 -0.00369680   EC049249
    CJ97B060 2S1997 01 29.81256 20 51 41.2  -16 34 56                   EC049249
    CJ97B060 2s1997 01 29.81256 2 +0.00245106 -0.00874542 -0.00369422   EC049249
    CJ97B060 2S1997 01 29.85424 20 50 45.9  -16 32 53                   EC049249
    CJ97B060 2s1997 01 29.85424 2 +0.00245849 -0.00874218 -0.00369147   EC049249
    CJ97B060 2S1997 01 29.89895 20 49 46.4  -16 30 48                   EC049249
    CJ97B060 2s1997 01 29.89895 2 +0.00246647 -0.00873869 -0.00368852   EC049249
    CJ97B060 2S1997 01 29.93756 20 48 55.0  -16 29 15                   EC049249
    CJ97B060 2s1997 01 29.93756 2 +0.00247336 -0.00873567 -0.00368597   EC049249
    CJ97B070 2S1997 01 29.64729 20 56 25.8  -16 48 45                   EC049249
    CJ97B070 2s1997 01 29.64729 2 +0.00242166 -0.00875818 -0.00370506   EC049249
    CJ97B070 2S1997 01 29.66604 20 56 03.8  -16 47 12                   EC049249
    CJ97B070 2s1997 01 29.66604 2 +0.00242499 -0.00875674 -0.00370384   EC049249
    CJ97B070 2S1997 01 29.68757 20 55 38.2  -16 45 37                   EC049249
    CJ97B070 2s1997 01 29.68757 2 +0.00242882 -0.00875508 -0.00370243   EC049249
    CJ97B070 2S1997 01 29.72927 20 54 46.9  -16 42 31                   EC049249
    CJ97B070 2s1997 01 29.72927 2 +0.00243623 -0.00875187 -0.00369969   EC049249
    CJ97B070 2S1997 01 29.77333 20 53 49.2  -16 39 38                   EC049249
    CJ97B070 2s1997 01 29.77333 2 +0.00244407 -0.00874846 -0.00369680   EC049249
    CJ97B070 2S1997 01 29.81256 20 52 58.9  -16 36 55                   EC049249
    CJ97B070 2s1997 01 29.81256 2 +0.00245106 -0.00874542 -0.00369422   EC049249
    CJ97B070 2S1997 01 29.85424 20 52 04.2  -16 34 33                   EC049249
    CJ97B070 2s1997 01 29.85424 2 +0.00245849 -0.00874218 -0.00369147   EC049249
    CJ97B070 2S1997 01 29.89895 20 51 04.9  -16 32 12                   EC049249
    CJ97B070 2s1997 01 29.89895 2 +0.00246647 -0.00873869 -0.00368852   EC049249
    CJ97B070 2S1997 01 29.93756 20 50 13.2  -16 30 27                   EC049249
    CJ97B070 2s1997 01 29.93756 2 +0.00247336 -0.00873567 -0.00368597   EC049249
    CJ97B070 2S1997 01 29.97923 20 49 17.8  -16 28 48                   EC049249
    CJ97B070 2s1997 01 29.97923 2 +0.00248081 -0.00873239 -0.00368321   EC049249

Observer details:
249 SOHO.  SOHO-LASCO coronagraphs C2 and C3.  Comet detections by R. Kracht,
    measurements by K. Battams, reductions by G. V. Williams.

Orbital elements:
Comet            T              q       e       Peri.    Node     Incl.     C
CJ96X030   1996 Dec.   6.17   0.0426   1.0      63.68    51.00    14.78     X
CJ96X040   1996 Dec.   6.28   0.0492   1.0      51.86    50.79    13.70     X
CJ96X050   1996 Dec.   6.33   0.0490   1.0      51.17    51.28    13.78     X
CJ97B050   1997 Jan.  29.51   0.0512   1.0      23.98    78.00    25.10     X
CJ97B060   1997 Jan.  29.61   0.0501   1.0      23.13    76.41    24.95     X
CJ97B070   1997 Jan.  29.65   0.0490   1.0      22.39    74.98    24.78     X

     R. Kracht suggests that one or both of the Kracht-group comets C/1996 X4
and C/1996 X5 (and more questionably C/1996 X3) returned as some or all of
C/2002 S4, C/2002 S5, C/2002 S7 and C/2002 S11.  K. Battams suggests that
some of the Marsden-group comets C/1997 B5, C/1997 B6 and C/1997 B7 may
conceivably have returned as C/2002 R1 and/or C/2002 R4, although this seems
particularly questionable.

Brian G. Marsden             (C) Copyright 2006 MPC           M.P.E.C. 2006-C49

Read MPEC 2006-C48 Read MPEC 2006-C50


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