• MPC Preparation (Info)

  • MPEC 2009-U02 : COMET P/2009 SK280 (SPACEWATCH-HILL)

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    M.P.E.C. 2009-U02                                Issued 2009 Oct. 16, 14:44 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 P/2009 SK280 (SPACEWATCH-HILL)
    
    Observations:
        PK09SS0K  C2009 09 17.30336 01 48 40.81 +04 22 42.7          21.2 N EU002691
        PK09SS0K  C2009 09 17.32098 01 48 40.31 +04 22 42.1          20.9 N EU002691
        PK09SS0K  C2009 09 17.33858 01 48 39.84 +04 22 41.0          20.9 N EU002691
        PK09SS0K  C2009 10 15.36043 01 32 40.70 +03 54 44.8          19.8 T EU002G96
        PK09SS0K  C2009 10 15.36634 01 32 40.45 +03 54 43.8          19.8 T EU002G96
        PK09SS0K  C2009 10 15.37220 01 32 40.23 +03 54 43.7          20.0 T EU002G96
        PK09SS0K  C2009 10 15.37823 01 32 39.98 +03 54 43.7          19.9 T EU002G96
        PK09SS0K  C2009 10 15.44021 01 32 37.54 +03 54 40.5                 EU002G96
        PK09SS0K  C2009 10 15.44179 01 32 37.48 +03 54 40.1                 EU002G96
        PK09SS0K  C2009 10 15.44345 01 32 37.42 +03 54 40.2          19.4 T EU002G96
        PK09SS0K  C2009 10 15.44507 01 32 37.34 +03 54 40.2                 EU002G96
        PK09SS0K  C2009 10 15.88966 01 32 20.28 +03 54 13.7          20.8 N EU002B86
        PK09SS0K  C2009 10 15.91633 01 32 19.20 +03 54 12.6          20.9 N EU002B86
        PK09SS0K  C2009 10 16.27184 01 32 05.42 +03 53 53.0          20.1 T EU002291
        PK09SS0K  C2009 10 16.27885 01 32 05.11 +03 53 52.7          20.0 T EU002291
        PK09SS0K  C2009 10 16.28113 01 32 05.10 +03 53 52.6                 EU002G96
        PK09SS0K  C2009 10 16.28588 01 32 04.85 +03 53 52.7                 EU002291
        PK09SS0K  C2009 10 16.29076 01 32 04.63 +03 53 51.5                 EU002G96
        PK09SS0K  C2009 10 16.30026 01 32 04.29 +03 53 51.3                 EU002G96
        PK09SS0K  C2009 10 16.30948 01 32 03.97 +03 53 51.1                 EU002G96
        PK09SS0K  C2009 10 16.32980 01 32 03.13 +03 53 50.0          19.5 T EU002H01
        PK09SS0K  C2009 10 16.33449 01 32 02.95 +03 53 49.7          19.7 T EU002H01
        PK09SS0K  C2009 10 16.34286 01 32 02.62 +03 53 49.3          19.6 T EU002H01
        PK09SS0K  C2009 10 16.34686 01 32 02.46 +03 53 49.0          19.5 T EU002H01
        PK09SS0K  C2009 10 16.35552 01 32 02.13 +03 53 48.7          20.6 N EU002926
        PK09SS0K  C2009 10 16.36069 01 32 01.90 +03 53 47.4          20.4 N EU002926
        PK09SS0K  C2009 10 16.44306 01 31 58.61 +03 53 43.2          19.9 N EU002H10
        PK09SS0K  C2009 10 16.45139 01 31 58.32 +03 53 42.8          19.8 N EU002H10
    
    Observer details:
    291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  Spacewatch I
        0.9-m f/3 reflector + CCD.
    926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  Measurer
        P. R. Holvorcem.  0.81-m f/7 Ritchey-Chretien + CCD.
    B86 Sternwarte Hagen.  Observer M. Klein.  0.50-m f/3.0 Deltagraph + CCD.
    G96 Mt. Lemmon Survey.  Observer R. E. Hill.  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.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H10 Tzec Maun Observatory, Mayhill.  Observer K. Dankov.  0.4-m f/9
        Ritchey-Chretien + CCD.
    
    Orbital elements:
        P/2009 SK280 (Spacewatch-Hill)
    T 2009 Apr. 22.2398 TT                                  MPC
    q   4.178926             (2000.0)            P               Q
    n   0.0940329      Peri.  324.1478      +0.9852301      +0.0092752
    a   4.789418       Node    36.4871      +0.0954018      +0.7994692
    e   0.127467       Incl.   16.7109      -0.1421978      +0.6006355
    P  10.5
    From 34 observations 2009 Sept. 17-Oct. 16.
    
    Ephemeris:
        P/2009 SK280 (Spacewatch-Hill)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2009 10 16    01 32.27   +03 54.2    3.219    4.212   174.7     1.3  19.8
    2009 10 26    01 25.86   +03 46.4    3.239    4.216   167.7     2.9  19.8
    2009 11 05    01 19.92   +03 43.2    3.290    4.220   156.9     5.3  19.8
    2009 11 15    01 14.87   +03 46.4    3.368    4.224   145.9     7.5  19.9
    2009 11 25    01 11.06   +03 57.0    3.472    4.229   135.1     9.5  20.0
    2009 12 05    01 08.71   +04 15.7    3.595    4.233   124.6    11.1  20.0
    2009 12 15    01 07.90   +04 42.4    3.735    4.238   114.4    12.2  20.1
    2009 12 25    01 08.64   +05 16.8    3.886    4.243   104.6    13.0  20.2
    
    Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-U02
    

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