MPEC 2009-Y59 : COMET P/2009 Y2 (KOWALSKI)

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M.P.E.C. 2009-Y59                                Issued 2009 Dec. 29, 21:26 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 P/2009 Y2 (KOWALSKI)

Observations:
    PK09Y020  C2009 12 20.19331 00 38 00.31 +31 26 30.3          19.1 T EY059G96
    PK09Y020  C2009 12 20.19389 00 38 00.31 +31 26 29.8          19.3 T EY059G96
    PK09Y020  C2009 12 20.19443 00 38 00.34 +31 26 30.0          19.1 T EY059G96
    PK09Y020  C2009 12 20.19501 00 38 00.38 +31 26 29.2          19.3 T EY059G96
    PK09Y020  C2009 12 21.53265 00 39 27.92 +31 10 08.8          19.1 T EY059300
    PK09Y020  C2009 12 21.53503 00 39 28.09 +31 10 07.5          18.9 T EY059300
    PK09Y020  C2009 12 21.59357 00 39 31.89 +31 09 24.9          19.0 T EY059300
    PK09Y020  C2009 12 21.59661 00 39 32.13 +31 09 22.9          18.8 T EY059300
    PK09Y020  C2009 12 21.60268 00 39 32.55 +31 09 17.5          19.2 T EY059300
    PK09Y020  C2009 12 23.48800 00 41 40.33 +30 46 51.0          18.6 T EY059349
    PK09Y020  C2009 12 23.49674 00 41 40.89 +30 46 44.7                 EY059349
    PK09Y020  C2009 12 23.50549 00 41 41.46 +30 46 39.1                 EY059349
    PK09Y020  C2009 12 25.77128 00 44 21.27 +30 20 32.9          18.5 N EY059A77
    PK09Y020  C2009 12 25.78059 00 44 21.96 +30 20 26.1          18.8 N EY059A77
    PK09Y020  C2009 12 25.78989 00 44 22.65 +30 20 20.1          18.4 N EY059A77
    PK09Y020  C2009 12 26.81317 00 45 37.10 +30 08 50.2          18.7 N EY059B82
    PK09Y020  C2009 12 26.81613 00 45 37.17 +30 08 48.3          19.5 N EY059B82
    PK09Y020  C2009 12 26.81911 00 45 37.35 +30 08 46.9          19.3 N EY059B82
    PK09Y020  C2009 12 28.72319 00 47 59.13 +29 47 56.4          18.8 N EY059118
    PK09Y020  C2009 12 28.72966 00 47 59.60 +29 47 52.5          19.2 N EY059118
    PK09Y020  C2009 12 28.73303 00 47 59.86 +29 47 50.4          19.3 N EY059118
    PK09Y020  C2009 12 28.84723 00 48 08.32 +29 46 36.0          19   T EY059461
    PK09Y020  C2009 12 28.85254 00 48 08.71 +29 46 32.2                 EY059461
    PK09Y020  C2009 12 28.85783 00 48 09.14 +29 46 30.3                 EY059461

Observer details:
118 Modra.  Observers J. Vilagi, L. Kornos.  0.6-m f/5.5 reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS.  Observers A. Asami, N. Hashimoto.
    1.0-m f/3.0 reflector + CCD.
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly).  Observer K. Sarneczky.
    0.60-m Schmidt + CCD.
A77 Observatoire Chante-Perdrix, Dauban.  Observers C. Rinner, F. Kugel.
    Measurer F. Kugel.  0.5-m f/3 reflector + CCD.
B82 Maidbronn.  Observer B. Haeusler.  0.30-m Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers E. C. Beshore,
    A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson.  1.5-m reflector + CCD.

Orbital elements:
    P/2009 Y2 (Kowalski)
T 2010 Mar. 30.696 TT                                   MPC
q   2.33726              (2000.0)            P               Q
n   0.063724       Peri.  171.805       +0.255855       -0.831324
a   6.20772        Node   262.256       +0.856317       +0.431747
e   0.62349        Incl.   29.864       +0.448620       -0.349993
P  15.5
From 68 observations 2009 Dec. 20-28.

Ephemeris:
    P/2009 Y2 (Kowalski)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2009 12 25    00 43.44   +30 29.3    2.003    2.485   107.7    22.2  18.5
2010 01 04    00 56.27   +28 44.1    2.081    2.457   100.3    23.2  18.5
2010 01 14    01 10.88   +27 17.3    2.169    2.431    93.2    23.8  18.5
2010 01 24    01 27.00   +26 07.8    2.262    2.408    86.3    24.1  18.6
2010 02 03    01 44.34   +25 13.5    2.359    2.389    79.7    24.0  18.6
2010 02 13    02 02.70   +24 31.6    2.458    2.372    73.4    23.5  18.7
2010 02 23    02 21.88   +23 59.3    2.557    2.359    67.3    22.8  18.8

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-Y59

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