• Processing (Info)

    • MPEC 2007-D57 : COMET P/2007 C1 (CHRISTENSEN)

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    Read MPEC 2007-D56 Read MPEC 2007-D58 

    M.P.E.C. 2007-D57                                Issued 2007 Feb. 23, 16:42 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 14.98747 10 12 20.20 +27 30 03.3          18.6 N ED057J70
    PK07C010  C2007 02 14.99838 10 12 19.79 +27 30 05.8          18.6 N ED057J70
    PK07C010  C2007 02 15.00928 10 12 19.34 +27 30 08.4          18.6 N ED057J70
    PK07C010  C2007 02 16.27921 10 11 26.22 +27 35 12.1          19.8 N ED057850
    PK07C010  C2007 02 16.31045 10 11 24.98 +27 35 19.0          19.8 N ED057850
    PK07C010  C2007 02 16.34175 10 11 23.39 +27 35 26.1          20.1 N ED057850
    PK07C010  C2007 02 16.86087 10 11 01.84 +27 37 16.1          20.8 T ED057104
    PK07C010  C2007 02 16.86968 10 11 01.74 +27 37 22.8          20.2 T ED057104
    PK07C010  C2007 02 16.88146 10 11 01.24 +27 37 25.7          19.5 T ED057104
    PK07C010  C2007 02 17.15096 10 10 49.94 +27 38 25.7          20.1 N ED057850
    PK07C010  C2007 02 17.15293 10 10 49.80 +27 38 25.8          19.3 N ED057850
    PK07C010  C2007 02 17.17952 10 10 48.60 +27 38 32.3          19.7 N ED057850
    PK07C010  C2007 02 17.18092 10 10 48.55 +27 38 32.2          20.0 N ED057850
    PK07C010  C2007 02 18.91579 10 09 35.01 +27 44 26.1                 ED057246
    PK07C010  C2007 02 18.91662 10 09 34.98 +27 44 25.6                 ED057246
    PK07C010  C2007 02 18.91787 10 09 34.91 +27 44 25.6                 ED057246
    PK07C010  C2007 02 18.91878 10 09 34.85 +27 44 26.5                 ED057246
    PK07C010  C2007 02 18.91972 10 09 34.83 +27 44 26.4                 ED057246
    PK07C010  C2007 02 18.92315 10 09 34.68 +27 44 27.0                 ED057246
    PK07C010  C2007 02 19.13105 10 09 26.02 +27 45 06.9          19.4 N ED057850
    PK07C010  C2007 02 19.15379 10 09 24.98 +27 45 11.1          19.0 N ED057850
    PK07C010  C2007 02 19.17629 10 09 24.02 +27 45 15.6          20.1 N ED057850
    PK07C010  C2007 02 19.19973 10 09 22.97 +27 45 20.2          19.6 N ED057850
    PK07C010  C2007 02 19.24442 10 09 20.89 +27 45 28.9          19.2 N ED057850
    PK07C010  C2007 02 19.28188 10 09 19.19 +27 45 35.2          19.7 N ED057850
    PK07C010  C2007 02 19.31940 10 09 17.49 +27 45 42.3          19.5 N ED057850
    PK07C010  C2007 02 22.97473 10 06 43.00 +27 55 06.0          18.4 N ED057J70
    PK07C010  C2007 02 22.97866 10 06 43.12 +27 55 11.7          18.4 N ED057J70
    PK07C010  C2007 02 22.97979 10 06 43.13 +27 55 12.0          18.2 N ED057J70

Observer details:
104 San Marcello Pistoiese.  Observers L. Tesi, G. Fagioli, A. Boattini,
    M. Mazzucato, F. Dolfi, M. Tombelli.  Measurers G. Forti, L. Tesi,
    A. Boattini.  0.60-m f/4 reflector + CCD.
246 Klet Observatory-KLENOT.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.30-m f/3.7
    Schmidt-Cassegrain + CCD, 0.30-m f/9.7 Schmidt-Cassegrain + CCD.
J70 Obs. Astronomico Vega del Thader, El Palmar.  Observer J. P. Navarro P.
    0.20-m Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2007 C1 (Christensen)
T 2007 Mar. 6.046 TT                                    MPC
q   2.04723              (2000.0)            P               Q
n   0.151512       Peri.   96.052       -0.883344       -0.453917
a   3.48474        Node    57.008       +0.355697       -0.811561
e   0.41252        Incl.    8.011       +0.305259       -0.367869
P   6.51
From 89 observations 2007 Feb. 9-22.

Ephemeris:
    P/2007 C1 (Christensen)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 02 19    10 09.52   +27 44.7    1.083    2.051   163.8     7.7  18.3
2007 03 01    10 02.69   +28 02.6    1.097    2.048   157.4    10.7  18.3
2007 03 11    09 57.29   +27 51.5    1.133    2.048   148.6    14.6  18.4
2007 03 21    09 54.42   +27 12.3    1.189    2.050   139.5    18.4  18.5
2007 03 31    09 54.66   +26 08.8    1.260    2.056   130.8    21.6  18.6
2007 04 10    09 58.04   +24 46.0    1.345    2.065   122.6    24.1  18.8
2007 04 20    10 04.27   +23 08.5    1.441    2.076   115.0    26.0  19.0
2007 04 30    10 12.94   +21 19.6    1.546    2.090   108.1    27.3  19.1

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-D57

    Read MPEC 2007-D56 Read MPEC 2007-D58

    MPEC number:

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    • B01 (the abbreviated form)