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Minor Planet Center

MPEC 2009-D56 : COMET C/2009 B2 (LINEAR)

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M.P.E.C. 2009-D56                                Issued 2009 Feb. 23, 15:44 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://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                           COMET C/2009 B2 (LINEAR)

Observations:
    CK09B020  C2009 02 21.76184 14 01 09.63 -16 30 37.5                 ED056900
    CK09B020  C2009 02 21.76897 14 01 08.20 -16 30 38.8          17.8 T ED056900
    CK09B020  C2009 02 21.80615 14 01 00.87 -16 30 37.2          17.6 T ED056349
    CK09B020  C2009 02 21.80767 14 01 00.58 -16 30 37.0                 ED056349
    CK09B020  C2009 02 23.50348 13 55 23.84 -16 28 59.4          18.4 N ED056E85
    CK09B020  C2009 02 23.50928 13 55 22.78 -16 28 58.4          19.0 N ED056E85
    CK09B020  C2009 02 23.51506 13 55 21.53 -16 28 58.7          19.1 N ED056E85

Observer details:
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
E85 Farm Cove.  Observer J. McCormick.  0.35-m f/10 Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2009 B2 (LINEAR)
T 2009 Mar. 7.705 TT                                    MPC
q   2.32848              (2000.0)            P               Q
z  +0.02088        Peri.  192.629       -0.988481       -0.082773
                   Node    18.832       -0.080238       +0.996462
e   0.95137        Incl.  156.888       -0.128328       +0.014539
From 51 observations 2009 Jan. 29-Feb. 23.

Ephemeris:
    C/2009 B2 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2009 02 18    14 12.46   -16 30.1    1.768    2.337   112.8    22.9  17.4
2009 02 28    13 38.89   -16 18.6    1.563    2.330   130.3    18.9  17.1
2009 03 10    12 53.88   -15 11.2    1.415    2.329   150.0    12.3  16.9
2009 03 20    12 00.62   -12 48.8    1.351    2.332   166.9     5.5  16.8
2009 03 30    11 07.36   -09 27.4    1.387    2.341   157.7     9.3  16.9
2009 04 09    10 22.37   -05 57.9    1.512    2.355   138.2    16.5  17.1
2009 04 19    09 48.74   -03 01.0    1.704    2.374   120.3    21.4  17.4
2009 04 29    09 25.37   -00 48.3    1.935    2.398   104.8    24.0  17.7

     Further observations of this comet are desirable.
     Further observations of comet P/2008 Y1 are very desirable.

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-D56

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