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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-M33 : COMET C/2005 M1 (CHRISTENSEN)

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M.P.E.C. 2005-M33                                Issued 2005 June 20, 17:25 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 M1 (CHRISTENSEN)

Observations:
    CK05M010  C2005 06 17.41206 22 41 08.59 -07 52 07.8          19.9 T EM033G96
    CK05M010  C2005 06 17.41651 22 41 08.73 -07 52 07.6          20.0 T EM033G96
    CK05M010  C2005 06 17.42094 22 41 08.88 -07 52 07.5          20.1 T EM033G96
    CK05M010  C2005 06 17.42536 22 41 09.02 -07 52 07.7          20.2 T EM033G96
    CK05M010  C2005 06 18.36256 22 41 36.43 -07 51 38.8          20.4 N EM033734
    CK05M010  C2005 06 18.37259 22 41 36.73 -07 51 40.0          20.4 N EM033734
    CK05M010  C2005 06 18.37553 22 41 36.64 -07 51 40.5          20.5 N EM033734
    CK05M010  C2005 06 18.39481 22 41 37.42 -07 51 37.7          19.5 T EM033G96
    CK05M010  C2005 06 18.39853 22 41 37.54 -07 51 37.9          19.9 T EM033G96
    CK05M010  C2005 06 18.40223 22 41 37.66 -07 51 37.4          19.8 T EM033G96
    CK05M010  C2005 06 18.40594 22 41 37.77 -07 51 37.4          20.0 T EM033G96
    CK05M010  C2005 06 19.64281 22 42 12.52 -07 51 06.7          20.2 T EM033474
    CK05M010  C2005 06 19.65903 22 42 12.98 -07 51 06.7          20.3 T EM033474
    CK05M010  C2005 06 19.66734 22 42 13.15 -07 51 06.9                 EM033474
    CK05M010  C2005 06 19.67847 22 42 13.53 -07 51 07.7          20.4 T EM033474

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  1.0-m f/7.7
    reflector + CCD.
734 Farpoint Observatory.  Observer G. Hug.  0.7-m reflector + CCD.
G96 Mt. Lemmon Survey.  Observer E. J. Christensen.  1.5-m reflector + CCD.

Orbital elements:
    C/2005 M1 (Christensen)
T 2005 Jan. 24.728 TT                                   MPC
q   2.94607              (2000.0)            P               Q
                   Peri.  140.756       +0.258376       +0.961898
                   Node   143.962       -0.920172       +0.273233
e   1.0            Incl.    8.741       -0.294152       -0.009823
From 14 observations 2005 June 17-19.

Ephemeris:
    C/2005 M1 (Christensen)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2005 06 19    22 41.91   -07 51.4    2.809    3.280   108.7    17.1  19.4
2005 06 29    22 45.73   -07 53.6    2.731    3.324   117.4    15.8  19.4
2005 07 09    22 47.78   -08 07.8    2.664    3.370   126.6    14.0  19.4
2005 07 19    22 48.09   -08 33.7    2.611    3.418   136.2    11.9  19.4
2005 07 29    22 46.80   -09 09.7    2.577    3.468   146.2     9.4  19.5
2005 08 08    22 44.16   -09 53.6    2.565    3.519   156.7     6.6  19.5
2005 08 18    22 40.54   -10 41.9    2.578    3.572   167.3     3.6  19.6
2005 08 28    22 36.45   -11 30.8    2.618    3.627   177.0     0.8  19.7

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-M33

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