• MPC Preparation (Info)

    • MPEC 2005-S57 : COMET C/2005 O2 (CHRISTENSEN)

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    M.P.E.C. 2005-S57                                Issued 2005 Sept. 26, 22:28 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
             Prepared using the Tamkin Foundation Computer Network

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

                         COMET C/2005 O2 (CHRISTENSEN)

Observations:
    CK05O020  C2005 09 20.74693 02 33 12.48 -29 34 27.8                 ES057413
    CK05O020  C2005 09 20.74855 02 33 12.28 -29 34 30.2                 ES057413
    CK05O020  C2005 09 20.75017 02 33 12.02 -29 34 32.5                 ES057413
    CK05O020  C2005 09 22.56171 02 28 53.20 -30 17 06.2          17.8 T ES057423
    CK05O020  C2005 09 22.58995 02 28 49.01 -30 17 44.7          17.6 T ES057423

Observer details:
413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
423 North Ryde.  Observer S. G. McAndrew.  0.20-m f/4 hyperbolic astrograph
    + CCD.

Orbital elements:
    C/2005 O2 (Christensen)
T 2005 Sept. 8.4476 TT                                  MPC
q   3.333580             (2000.0)            P               Q
n   0.0085348      Peri.  263.8330      +0.8161719      +0.2761395
a  23.714057       Node   280.7698      +0.4470890      -0.8582591
e   0.859426       Incl.  148.8919      -0.3660257      -0.4325948
P 115
From 70 observations 2005 July 31-Sept. 22.

Ephemeris:
    C/2005 O2 (Christensen)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2005 09 17    02 41.63   -28 04.8    2.605    3.334   129.3    13.5  16.8
2005 09 27    02 17.66   -31 58.1    2.547    3.338   135.6    12.1  16.8
2005 10 07    01 49.44   -35 18.5    2.542    3.343   137.0    11.8  16.8
2005 10 17    01 18.84   -37 44.8    2.590    3.351   133.0    12.6  16.8
2005 10 27    00 48.54   -39 07.4    2.688    3.360   125.1    14.0  16.9
2005 11 06    00 21.09   -39 30.7    2.828    3.372   115.3    15.4  17.0
2005 11 16    23 58.12   -39 08.4    2.999    3.387   104.6    16.4  17.2
2005 11 26    23 40.12   -38 16.4    3.189    3.403    94.0    16.8  17.3

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-S57

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    MPEC number:

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