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  • MPEC 2007-C69 : COMET P/2007 C1 (CHRISTENSEN)

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    M.P.E.C. 2007-C69                                Issued 2007 Feb. 15, 03:44 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://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                             COMET P/2007 C1 (CHRISTENSEN)
    
    Observations:
        PK07C010  C2007 02 11.12003 10 14 56.16 +27 12 30.6          18.7 T EC069473
        PK07C010  C2007 02 11.12667 10 14 55.93 +27 12 32.2          18.8 T EC069473
        PK07C010  C2007 02 11.13172 10 14 55.76 +27 12 32.8          18.9 T EC069473
        PK07C010  C2007 02 11.13371 10 14 55.67 +27 12 34.2          18.6 N EC069204
        PK07C010  C2007 02 11.13895 10 14 55.48 +27 12 35.9                 EC069204
        PK07C010  C2007 02 11.25413 10 14 51.30 +27 13 11.3          19.4 N EC069850
        PK07C010  C2007 02 11.27690 10 14 50.38 +27 13 18.6          19.8 N EC069850
        PK07C010  C2007 02 11.29970 10 14 49.43 +27 13 25.1          19.7 N EC069850
        PK07C010  C2007 02 11.78465 10 14 30.02 +27 15 44.4                 EC069349
        PK07C010  C2007 02 11.78897 10 14 29.86 +27 15 45.6                 EC069349
        PK07C010  C2007 02 11.79332 10 14 29.66 +27 15 47.1          18.5 T EC069349
        CK07C010  C2007 02 15.11718 10 12 14.64 +27 30 31.8                 EC069J95
        CK07C010  C2007 02 15.12265 10 12 14.41 +27 30 33.9                 EC069J95
        CK07C010  C2007 02 15.12887 10 12 14.09 +27 30 35.3          19.4 N EC069J95
    
    Observer details:
    204 Schiaparelli Observatory.  Observers L. Buzzi, F. Luppi.  Measurer
        L. Buzzi.  0.60-m f/4.64 reflector + CCD.
    349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
    473 Remanzacco.  Observers G. Sostero, E. Guido.  0.45-m f/4.4 Newtonian
        reflector + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.30-m f/4
        Schmidt-Cassegrain + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
        P/2007 C1 (Christensen)
    T 2007 Mar.  9.713 TT                                   MPC
    q   2.03535              (2000.0)            P               Q
    n   0.152709       Peri.   98.097       -0.895307       -0.430167
    a   3.46651        Node    56.497       +0.334144       -0.820289
    e   0.41285        Incl.    7.975       +0.294575       -0.376938
    P   6.45
    From 40 observations 2007 Feb. 9-15.
    
    Ephemeris:
        P/2007 C1 (Christensen)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2007 02 09    10 16.29   +27 01.8    1.082    2.047   163.6     7.8  18.3
    2007 02 19    10 09.52   +27 44.7    1.073    2.041   163.8     7.8  18.2
    2007 03 01    10 02.67   +28 02.5    1.086    2.036   157.4    10.8  18.3
    2007 03 11    09 57.25   +27 51.0    1.121    2.035   148.6    14.7  18.3
    2007 03 21    09 54.38   +27 11.2    1.175    2.037   139.5    18.5  18.4
    2007 03 31    09 54.64   +26 06.8    1.245    2.042   130.8    21.7  18.6
    2007 04 10    09 58.07   +24 43.1    1.328    2.050   122.6    24.3  18.7
    2007 04 20    10 04.38   +23 04.4    1.422    2.060   115.1    26.2  18.9
    2007 04 30    10 13.14   +21 14.1    1.526    2.073   108.1    27.5  19.1
    
    Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-C69
    

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