• MPC Preparation (Info)

    • MPEC 2005-N20 : COMET P/2005 M1 (CHRISTENSEN)

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    M.P.E.C. 2005-N20                                Issued 2005 July 4, 20:50 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 P/2005 M1 (CHRISTENSEN)

Observations:
    PK05M010  C2005 06 30.37882 22 46 12.86 -07 55 17.5          20.1 N EN020G96
    PK05M010  C2005 06 30.38675 22 46 12.97 -07 55 18.1          20.1 N EN020G96
    PK05M010  C2005 07 03.73234 22 47 03.48 -07 59 38.6          21.0 T EN020413
    PK05M010  C2005 07 03.74256 22 47 03.58 -07 59 39.4          20.8 T EN020413
    PK05M010  C2005 07 04.75185 22 47 16.44 -08 01 17.9          20.2 N EN020413
    PK05M010  C2005 07 04.75692 22 47 16.50 -08 01 18.4          20.3 N EN020413

Observer details:
413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer C. M. Casey.  Measurer E. J. Christensen.
    1.5-m reflector + CCD.

Orbital elements:
    P/2005 M1 (Christensen)
T 2006 Jan. 31.809 TT                                   MPC
q   2.91826              (2000.0)            P               Q
n   0.114135       Peri.  226.708       +0.978697       -0.175872
a   4.20910        Node   143.046       +0.198109       +0.944416
e   0.30668        Incl.   10.149       -0.053903       +0.277756
P   8.64
From 20 observations 2005 June 17-July 4.

Ephemeris:
    P/2005 M1 (Christensen)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2005 06 29    22 45.81   -07 53.9    2.549    3.149   117.4    16.7  19.0
2005 07 09    22 47.97   -08 09.8    2.416    3.129   126.5    15.1  18.9
2005 07 19    22 48.30   -08 39.8    2.297    3.111   136.2    13.1  18.7
2005 07 29    22 46.79   -09 23.5    2.196    3.093   146.3    10.5  18.6
2005 08 08    22 43.55   -10 19.4    2.117    3.076   156.9     7.4  18.5
2005 08 18    22 38.91   -11 24.1    2.062    3.059   167.8     4.0  18.4
2005 08 28    22 33.38   -12 32.6    2.034    3.044   176.7     1.1  18.4

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-N20

    Read MPEC 2005-N19 Read MPEC 2005-N21

    MPEC number:

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    • 1997-B01 (the full form)
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    • B01 (the abbreviated form)