• Processing (Info)

    • MPEC 2007-J41 : COMET C/2007 D1 (LINEAR)

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    Read MPEC 2007-J40 Read MPEC 2007-J42 

    M.P.E.C. 2007-J41                                Issued 2007 May 11, 15:34 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 D1 (LINEAR)

Observations:
    CK07D010  C2007 05 04.80422 09 38 00.52 -01 46 50.3          17.4 T EJ041585
    CK07D010  C2007 05 04.81779 09 38 00.68 -01 46 48.3          18.5 N EJ041585
    CK07D010  C2007 05 04.82935 09 38 00.77 -01 46 46.3                 EJ041585
    CK07D010  C2007 05 04.83979 09 38 00.86 -01 46 43.9          18.7 N EJ041585
    CK07D010  C2007 05 04.85258 09 38 00.94 -01 46 40.9          18.7 N EJ041585
    CK07D010  C2007 05 07.87429 09 38 28.08 -01 37 00.4          16.2 N EJ041J70
    CK07D010  C2007 05 08.87578 09 38 38.11 -01 34 05.8          17.4 N EJ041J70
    CK07D010  C2007 05 08.88176 09 38 38.29 -01 34 03.6          17.4 N EJ041J70
    CK07D010  C2007 05 10.84874 09 38 58.49 -01 28 06.1          18.4 N EJ041473

Observer details:
473 Remanzacco.  Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
    A. Lepardo, G. Sostero.  0.45-m f/4.4 Newtonian reflector + CCD.
585 Kiev comet station.  Observers A. Baransky, K. Churyumov.  0.7-m f/4
    reflector + CCD.
J70 Obs. Astronomico Vega del Thader, El Palmar.  Observer J. P. Navarro P.
    0.20-m Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2007 D1 (LINEAR)
Epoch 2007 June 29.0 TT = JDT 2454280.5
T 2007 June 21.3834 TT                                  MPC
q   8.792102             (2000.0)            P               Q
z  -0.000234       Peri.  340.2589      -0.8907554      -0.4428101
 +/-0.000017       Node   171.1047      +0.4519720      -0.8394443
e   1.002056       Incl.   41.4416      -0.0477082      +0.3150436
From 184 observations 2007 Feb. 17-May 10, mean residual 0".7.

Ephemeris:
    C/2007 D1 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 05 10    09 38.83   -01 30.6    8.592    8.796    98.4     6.5  17.6
2007 05 20    09 40.90   -01 02.9    8.747    8.794    89.4     6.6  17.7
2007 05 30    09 43.60   -00 39.9    8.903    8.793    80.5     6.5  17.7
2007 06 09    09 46.87   -00 21.7    9.056    8.792    71.8     6.3  17.7
2007 06 19    09 50.65   -00 08.2    9.201    8.792    63.3     5.9  17.8
2007 06 29    09 54.88   +00 00.6    9.337    8.792    54.9     5.4  17.8
2007 07 09    09 59.49   +00 05.1    9.459    8.793    46.7     4.8  17.8
2007 07 19    10 04.41   +00 05.6    9.565    8.794    38.6     4.1  17.8
2007 07 29    10 09.58   +00 02.5    9.653    8.795    30.6     3.4  17.9

     The "original" and "future" barycentric values of 1/a are +0.000028
and +0.000722 (+/- 0.000017) AU^-1, respectively.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-J41

    Read MPEC 2007-J40 Read MPEC 2007-J42

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