• Processing (Info)

    • MPEC 2009-U132: COMET P/2009 S1 (GIBBS)

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    M.P.E.C. 2009-U132                               Issued 2009 Oct. 30, 16:45 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.

             Prepared using the Tamkin Foundation Computer Network

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

                            COMET P/2009 S1 (GIBBS)

Observations:
    PK09S010   2009 10 14.71771 04 04 30.04 -15 46 47.1          19.0 N EU132372
    PK09S010  C2009 10 19.69880 04 03 27.78 -16 48 23.9          18.5 T EU132349
    PK09S010  C2009 10 19.70399 04 03 27.64 -16 48 27.0                 EU132349
    PK09S010  C2009 10 20.67515 04 03 11.10 -16 59 53.9                 EU132900
    PK09S010  C2009 10 20.68098 04 03 11.34 -17 00 00.5          18.1 N EU132900
    PK09S010  C2009 10 26.03671 04 01 16.23 -17 59 37.5          17.9 N EU132130
    PK09S010  C2009 10 26.04145 04 01 16.19 -17 59 41.0          18.8 N EU132130
    PK09S010  C2009 10 26.04597 04 01 16.00 -17 59 42.9          18.4 N EU132130
    PK09S010  C2009 10 26.05031 04 01 16.05 -17 59 47.4          18.6 N EU132130
    PK09S010  C2009 10 30.44615 03 59 14.84 -18 43 08.2          19.0 N EU132E85
    PK09S010  C2009 10 30.44972 03 59 14.67 -18 43 09.9          19.3 N EU132E85
    PK09S010  C2009 10 30.45330 03 59 14.61 -18 43 12.0          19.3 N EU132E85

Observer details:
130 Lumezzane.  Observers M. Casali, W. Marinello, M. Micheli, G. Pizzetti,
    A. Soffiantini.  Measurer W. Marinello.  0.40-m f/4.5 reflector + CCD.
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
372 Geisei.  Observer T. Seki.  0.60-m f/3.5 reflector.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
E85 Farm Cove.  Observer J. McCormick.  0.35-m f/10 Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2009 S1 (Gibbs)
T 2009 Aug. 4.1054 TT                                   MPC
q   2.440120             (2000.0)            P               Q
n   0.1267943      Peri.  223.9776      +0.9008695      -0.4015146
a   3.924066       Node   157.9839      +0.4044076      +0.9144176
e   0.378165       Incl.   26.1114      -0.1577616      +0.0512493
P   7.77
From 84 observations 2009 Sept. 20-Oct. 30.

Ephemeris:
    P/2009 S1 (Gibbs)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2009 10 26    04 01.29   -17 59.2    1.677    2.503   137.6    15.5  18.1
2009 11 05    03 56.21   -19 29.8    1.675    2.519   140.3    14.6  18.1
2009 11 15    03 49.83   -20 27.2    1.694    2.536   140.5    14.4  18.2
2009 11 25    03 43.12   -20 46.5    1.732    2.555   138.3    14.9  18.3
2009 12 05    03 37.10   -20 27.6    1.790    2.575   134.1    16.0  18.4
2009 12 15    03 32.56   -19 34.5    1.866    2.596   128.5    17.2  18.5
2009 12 25    03 30.06   -18 13.2    1.958    2.619   122.3    18.5  18.6

     Further observations of this comet are desirable.
     Further observations of comet C/2009 S3 are desirable.
     Further observations of comet P/2009 SK280 are very desirable.
     Further observations of comet C/2009 T1 are desirable.

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-U132

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