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  • MPEC 2005-T78 : COMET C/2005 S4 (McNAUGHT)

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    M.P.E.C. 2005-T78                                Issued 2005 Oct. 11, 22:20 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 S4 (McNAUGHT)
    
    Observations:
        CK05S040  C2005 10 02.41848 22 04 39.12 -37 42 36.1          19.0 N ET078415
        CK05S040  C2005 10 02.42591 22 04 38.84 -37 42 34.4          19.8 N ET078415
        CK05S040  C2005 10 02.48802 22 04 36.05 -37 42 22.0          18.9 N ET078415
        CK05S040  C2005 10 08.49159 22 00 18.52 -37 20 17.3          18.8 T ET078423
        CK05S040  C2005 10 08.50698 22 00 17.85 -37 20 13.6          19.3 T ET078423
        CK05S040  C2005 10 11.42931 21 58 21.62 -37 08 23.8          18.6 T ET078423
        CK05S040  C2005 10 11.45159 21 58 20.72 -37 08 17.5          18.4 T ET078423
    
    Observer details:
    415 Kambah, near Canberra.  Observer D. Herald.  0.36-m f/3.9
        Schmidt-Cassegrain + CCD.
    423 North Ryde.  Observer S. G. McAndrew.  0.20-m f/4 hyperbolic astrograph
        + CCD.
    
    Orbital elements:
        C/2005 S4 (McNaught)
    T 2007 July 17.9874 TT                                  MPC
    q   5.852692             (2000.0)            P               Q
                       Peri.   31.3835      +0.5301438      -0.5642215
                       Node   318.2804      -0.8284374      -0.1856242
    e   1.0            Incl.  107.9955      +0.1806626      +0.8044860
    From 46 observations 2005 July 27-Oct. 11.
    
    Ephemeris:
        C/2005 S4 (McNaught)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2005 10 07    22 01.34   -37 26.1    6.815    7.391   121.8     6.6  17.9
    2005 10 17    21 54.95   -36 44.1    6.914    7.350   112.3     7.2  17.9
    2005 10 27    21 49.82   -35 55.3    7.028    7.310   102.6     7.6  17.9
    2005 11 06    21 45.99   -35 01.4    7.151    7.270    92.9     7.8  17.9
    2005 11 16    21 43.43   -34 03.8    7.279    7.230    83.3     7.8  17.9
    2005 11 26    21 42.07   -33 03.8    7.404    7.191    73.8     7.6  17.9
    
    Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-T78
    

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