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  • MPEC 2007-R59 : COMET C/2007 Q3 (SIDING SPRING)

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    M.P.E.C. 2007-R59                                Issued 2007 Sept. 12, 14:41 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 Q3 (SIDING SPRING)
    
    Observations:
        CK07Q030  C2007 09 05.78137 03 29 31.34 -48 00 47.9          17.5 T ER059413
        CK07Q030  C2007 09 05.78445 03 29 31.37 -48 00 49.5                 ER059413
        CK07Q030  C2007 09 05.78754 03 29 31.34 -48 00 50.7                 ER059413
        CK07Q030  C2007 09 05.79062 03 29 31.36 -48 00 52.1                 ER059413
        CK07Q030  C2007 09 09.64869 03 29 29.71 -48 29 21.8          18.1 N ER059415
        CK07Q030  C2007 09 09.65920 03 29 29.70 -48 29 26.5          18.2 N ER059415
    
    Observer details:
    413 Siding Spring.  Observers K. Sarneczky, L. Kiss.  Measurer K. Sarneczky.
        1.02-m reflector + CCD.
    415 Kambah, near Canberra.  Observer D. Herald.  0.36-m f/3.9
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
        C/2007 Q3 (Siding Spring)
    T 2009 Oct. 8.002 TT                                    MPC
    q   2.25375              (2000.0)            P               Q
                       Peri.    2.029       -0.869192       -0.177624
                       Node   149.582       +0.439865       -0.704075
    e   1.0            Incl.   65.707       +0.225886       +0.687553
    From 43 observations 2007 Aug. 25-Sept. 9.
    
    Ephemeris:
        C/2007 Q3 (Siding Spring)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2007 09 07    03 29.53   -48 09.8    7.161    7.562   109.8     7.2  17.6
    2007 09 17    03 28.90   -49 23.0    7.050    7.488   112.2     7.1  17.5
    2007 09 27    03 26.93   -50 32.9    6.954    7.413   113.7     7.1  17.4
    2007 10 07    03 23.63   -51 36.8    6.871    7.339   114.3     7.1  17.3
    2007 10 17    03 19.10   -52 31.6    6.803    7.264   113.9     7.2  17.3
    2007 10 27    03 13.51   -53 14.7    6.749    7.189   112.5     7.3  17.2
    
         Further observations of this comet are desirable.
    
    Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-R59
    

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