• Processing (Info)

    • MPEC 2009-U81 : COMET P/2009 SK280 (SPACEWATCH-HILL)

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    Read MPEC 2009-U80 Read MPEC 2009-U82 

    M.P.E.C. 2009-U81                                Issued 2009 Oct. 24, 17:45 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 SK280 (SPACEWATCH-HILL)

Observations:
    PK09SS0K  C2009 10 17.93099 01 31 01.04 +03 52 20.6                 EU081204
    PK09SS0K  C2009 10 18.03985 01 30 56.70 +03 52 15.4          19.4 N EU081204
    PK09SS0K  C2009 10 19.11771 01 30 14.84 +03 51 18.4          19.1 N EU081B01
    PK09SS0K  C2009 10 19.13002 01 30 14.46 +03 51 17.2          19.0 N EU081B01
    PK09SS0K  C2009 10 19.13616 01 30 14.16 +03 51 18.2          19.1 N EU081B01
    PK09SS0K  C2009 10 19.19348 01 30 12.07 +03 51 15.2          19.3 T EU081H06
    PK09SS0K  C2009 10 19.19814 01 30 11.92 +03 51 14.3                 EU081H06
    PK09SS0K  C2009 10 19.83391 01 29 47.32 +03 50 41.6          19.3 T EU081215

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
    + CCD.
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
B01 Taunus Observatory, Frankfurt.  Observers S. Karge, R. Kling.  0.6-m f/3.3
    Cassegrain + CCD.
H06 RAS Observatory, Mayhill.  Observer H. Sato.  0.25-m f/3.4 reflector + CCD.

Orbital elements:
    P/2009 SK280 (Spacewatch-Hill)
T 2009 May 30.5343 TT                                   MPC
q   4.207578             (2000.0)            P               Q
n   0.0945781      Peri.  329.1322      +0.9823151      -0.0739157
a   4.770996       Node    36.3656      +0.1634152      +0.7869255
e   0.118092       Incl.   16.8657      -0.0913918      +0.6126048
P  10.4
From 42 observations 2009 Sept. 17-Oct. 19.

Ephemeris:
    P/2009 SK280 (Spacewatch-Hill)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2009 10 16    01 32.27   +03 54.2    3.233    4.226   174.7     1.3  19.8
2009 10 26    01 25.86   +03 46.3    3.252    4.229   167.7     2.9  19.8
2009 11 05    01 19.90   +03 43.2    3.302    4.232   156.9     5.3  19.9
2009 11 15    01 14.84   +03 46.3    3.380    4.235   145.9     7.5  19.9
2009 11 25    01 11.01   +03 56.8    3.482    4.239   135.1     9.5  20.0
2009 12 05    01 08.63   +04 15.4    3.605    4.242   124.6    11.0  20.1
2009 12 15    01 07.79   +04 42.0    3.743    4.246   114.4    12.2  20.1
2009 12 25    01 08.51   +05 16.3    3.894    4.250   104.6    12.9  20.2

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

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-U81

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