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IAU Minor Planet Center

Minor Planet Center

MPEC 2002-O35 : COMETS C/2001 L11, 2001 Q8, 2001 R8, 2001 R9 (SOHO)

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Read MPEC 2002-O34 Read MPEC 2002-O36


M.P.E.C. 2002-O35                                Issued 2002 July 22, 18:22 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.

             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/2001 L11, 2001 Q8, 2001 R8, 2001 R9 (SOHO)

Observations:
    CK01L110  S2001 06 08.13062 05 03 49.9  +21 02 54                        249
    CK01L110  s2001 06 08.13062 2 +0.00646648 +0.00781783 +0.00315324        249
    CK01L110  S2001 06 08.14590 05 03 51.5  +21 05 29                        249
    CK01L110  s2001 06 08.14590 2 +0.00646448 +0.00781846 +0.00315396        249
    CK01L110  S2001 06 08.16257 05 03 52.3  +21 08 40                        249
    CK01L110  s2001 06 08.16257 2 +0.00646229 +0.00781915 +0.00315474        249
    CK01L110  S2001 06 08.17090 05 03 54.4  +21 10 14                        249
    CK01L110  s2001 06 08.17090 2 +0.00646119 +0.00781950 +0.00315514        249
    CK01L110  S2001 06 08.18756 05 03 54.4  +21 13 23                        249
    CK01L110  s2001 06 08.18756 2 +0.00645900 +0.00782018 +0.00315592        249
    CK01L110  S2001 06 08.20423 05 03 55.6  +21 16 27                        249
    CK01L110  s2001 06 08.20423 2 +0.00645681 +0.00782087 +0.00315671        249
    CK01L110  S2001 06 08.21256 05 03 55.9  +21 17 52                        249
    CK01L110  s2001 06 08.21256 2 +0.00645571 +0.00782122 +0.00315710        249
    CK01L110  S2001 06 08.22923 05 03 57.8  +21 21 16                        249
    CK01L110  s2001 06 08.22923 2 +0.00645351 +0.00782191 +0.00315789        249
    CK01L110  S2001 06 08.24590 05 03 58.5  +21 24 42                        249
    CK01L110  s2001 06 08.24590 2 +0.00645131 +0.00782260 +0.00315867        249
    CK01L110  S2001 06 08.25423 05 04 00.0  +21 26 20                        249
    CK01L110  s2001 06 08.25423 2 +0.00645022 +0.00782294 +0.00315907        249
    CK01Q080  S2001 08 24.86812 10 08 18.3  +12 00 26                        249
    CK01Q080  s2001 08 24.86812 2 -0.00975049 +0.00053787 +0.00050278        249
    CK01Q080  S2001 08 24.89316 10 08 53.3  +11 58 14                        249
    CK01Q080  s2001 08 24.89316 2 -0.00975218 +0.00053319 +0.00050000        249
    CK01Q080  S2001 08 24.90979 10 09 15.0  +11 56 44                        249
    CK01Q080  s2001 08 24.90979 2 -0.00975330 +0.00053008 +0.00049815        249
    CK01Q080  S2001 08 24.92091 10 09 29.3  +11 56 00                        249
    CK01Q080  s2001 08 24.92091 2 -0.00975405 +0.00052800 +0.00049692        249
    CK01Q080  S2001 08 24.93555 10 09 48.6  +11 54 36                        249
    CK01Q080  s2001 08 24.93555 2 -0.00975503 +0.00052527 +0.00049529        249
    CK01Q080  S2001 08 24.96257 10 10 25.0  +11 52 14                        249
    CK01Q080  s2001 08 24.96257 2 -0.00975685 +0.00052022 +0.00049229        249
    CK01Q080  S2001 08 24.97645 10 10 43.7  +11 51 01                        249
    CK01Q080  s2001 08 24.97645 2 -0.00975778 +0.00051763 +0.00049075        249
    CK01Q080  S2001 08 24.99312 10 11 06.9  +11 49 14                        249
    CK01Q080  s2001 08 24.99312 2 -0.00975889 +0.00051452 +0.00048890        249
    CK01Q080  S2001 08 25.00423 10 11 21.7  +11 48 17                        249
    CK01Q080  s2001 08 25.00423 2 -0.00975963 +0.00051245 +0.00048767        249
    CK01Q080  S2001 08 25.01886 10 11 42.3  +11 46 55                        249
    CK01Q080  s2001 08 25.01886 2 -0.00976061 +0.00050972 +0.00048605        249
    CK01Q080  S2001 08 25.03478 10 12 07.5  +11 45 09                        249
    CK01Q080  s2001 08 25.03478 2 -0.00976167 +0.00050675 +0.00048428        249
    CK01R080  S2001 09 06.81377 10 55 49.5  +07 27 57                        249
    CK01R080  s2001 09 06.81377 2 -0.01025091 -0.00152383 -0.00079223        249
    CK01R080  S2001 09 06.82923 10 56 07.7  +07 26 33                        249
    CK01R080  s2001 09 06.82923 2 -0.01025122 -0.00152590 -0.00079360        249
    CK01R080  S2001 09 06.83756 10 56 17.4  +07 25 48                        249
    CK01R080  s2001 09 06.83756 2 -0.01025139 -0.00152702 -0.00079433        249
    CK01R080  S2001 09 06.85520 10 56 38.7  +07 24 02                        249
    CK01R080  s2001 09 06.85520 2 -0.01025174 -0.00152938 -0.00079589        249
    CK01R080  S2001 09 06.89593 10 57 27.7  +07 19 57                        249
    CK01R080  s2001 09 06.89593 2 -0.01025256 -0.00153482 -0.00079949        249
    CK01R080  S2001 09 06.91256 10 57 47.6  +07 18 13                        249
    CK01R080  s2001 09 06.91256 2 -0.01025289 -0.00153705 -0.00080096        249
    CK01R080  S2001 09 06.92090 10 57 58.0  +07 17 18                        249
    CK01R080  s2001 09 06.92090 2 -0.01025306 -0.00153816 -0.00080169        249
    CK01R080  S2001 09 06.93854 10 58 19.8  +07 15 25                        249
    CK01R080  s2001 09 06.93854 2 -0.01025341 -0.00154051 -0.00080325        249
    CK01R080  S2001 09 06.96257 10 58 49.4  +07 12 48                        249
    CK01R080  s2001 09 06.96257 2 -0.01025389 -0.00154372 -0.00080537        249
    CK01R080  S2001 09 06.97924 10 59 10.2  +07 10 47                        249
    CK01R080  s2001 09 06.97924 2 -0.01025422 -0.00154595 -0.00080684        249
    CK01R080  S2001 09 06.99590 10 59 30.9  +07 08 50                        249
    CK01R080  s2001 09 06.99590 2 -0.01025455 -0.00154818 -0.00080831        249
    CK01R090  S2001 09 07.50423 10 58 08.8  +07 13 17                        249
    CK01R090  s2001 09 07.50423 2 -0.01026437 -0.00161556 -0.00085290        249
    CK01R090  S2001 09 07.52187 10 58 29.7  +07 11 47                        249
    CK01R090  s2001 09 07.52187 2 -0.01026471 -0.00161789 -0.00085444        249
    CK01R090  S2001 09 07.53758 10 58 47.5  +07 10 23                        249
    CK01R090  s2001 09 07.53758 2 -0.01026500 -0.00161996 -0.00085581        249
    CK01R090  S2001 09 07.56418 10 59 18.8  +07 07 55                        249
    CK01R090  s2001 09 07.56418 2 -0.01026550 -0.00162346 -0.00085813        249
    CK01R090  S2001 09 07.57962 10 59 37.1  +07 06 26                        249
    CK01R090  s2001 09 07.57962 2 -0.01026579 -0.00162549 -0.00085948        249

Observer details:
249 SOHO.  SOHO-LASCO coronagraph C2.  Comet detections by X. Leprette and
    R. Kracht, measurements by D. Hammer, reduction by B. G. Marsden.

Orbital elements:
Comet            T              q       e       Peri.    Node     Incl.     C
CK01L110   2001 June   8.59   0.0050   1.0      80.75     1.06   144.49     X
CK01Q080   2001 Aug.  24.81   0.0451   1.0      56.22    44.76    13.07     X
CK01R080   2001 Sept.  6.67   0.0437   1.0      59.63    42.19    13.58     X
CK01R090   2001 Sept.  7.32   0.0472   1.0      53.31    48.90    12.47     X

     Together with C/2001 Q7 (cf. the orbit on MPC 45182), C/2001 Q8, C/2001 R8
and C/2001 R9 above clearly form the nucleus of a group (involving also
C/1999 M3 and C/2000 O3) whose existence was proposed by R. Kracht on MPEC
2002-E18; see also MPEC 2002-F03.

Brian G. Marsden             (C) Copyright 2002 MPC           M.P.E.C. 2002-O35

Read MPEC 2002-O34 Read MPEC 2002-O36


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