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IAU Minor Planet Center

Minor Planet Center

MPEC 2007-L30 : COMET C/2007 K3 (SIDING SPRING)

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M.P.E.C. 2007-L30                                Issued 2007 June 8, 18:02 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 C/2007 K3 (SIDING SPRING)

Observations:
    CK07K030  C2007 06 02.45026 11 46 14.73 -17 02 14.7          19.8 N EL030415
    CK07K030  C2007 06 02.46433 11 46 14.69 -17 02 07.8          20.4 N EL030415
    CK07K030  C2007 06 03.43788 11 46 21.73 -16 58 09.6          18.6 N EL030415

Observer details:
415 Kambah, near Canberra.  Observer D. Herald.  0.36-m f/3.9
    Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2007 K3 (Siding Spring)
T 2008 Apr. 21.744 TT                                   MPC
q   2.05102              (2000.0)            P               Q
                   Peri.   23.562       +0.274106       +0.920441
                   Node   263.299       -0.920935       +0.167757
e   1.0            Incl.   16.295       -0.277028       +0.353051
From 28 observations 2007 Apr. 18-June 3.

Ephemeris:
    C/2007 K3 (Siding Spring)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 05 30    11 45.96   -17 17.1    3.627    4.151   114.5    12.8  18.5
2007 06 09    11 47.31   -16 36.8    3.676    4.066   105.5    13.9  18.4
2007 06 19    11 50.25   -16 06.0    3.731    3.981    96.8    14.7  18.4
2007 06 29    11 54.72   -15 45.6    3.789    3.896    88.5    15.1  18.3
2007 07 09    12 00.61   -15 35.8    3.846    3.812    80.4    15.2  18.2
2007 07 19    12 07.84   -15 36.5    3.900    3.727    72.7    15.1  18.2
2007 07 29    12 16.31   -15 47.2    3.947    3.643    65.4    14.7  18.1

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-L30

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