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  • MPEC 2009-W104: 2009 WF104

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    M.P.E.C. 2009-W104                               Issued 2009 Nov. 25, 00:00 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
    
                                      2009 WF104
    
    Observations:
         K09WA4F* C2009 11 23.37110 04 10 55.41 +10 51 51.9          19.5 V EW104G96
         K09WA4F  C2009 11 23.37576 04 10 55.02 +10 51 52.3          19.4 V EW104G96
         K09WA4F  C2009 11 23.38042 04 10 54.58 +10 51 52.5          19.4 V EW104G96
         K09WA4F  C2009 11 23.38502 04 10 54.22 +10 51 52.4          19.3 V EW104G96
         K09WA4F  C2009 11 24.38839 04 09 30.24 +10 52 58.7          19.7 V EW104G96
         K09WA4F  C2009 11 24.39303 04 09 29.88 +10 52 59.0          19.7 V EW104G96
         K09WA4F  C2009 11 24.39758 04 09 29.48 +10 52 59.5          19.6 V EW104G96
         K09WA4F  C2009 11 24.40219 04 09 29.08 +10 52 59.8          19.8 V EW104G96
         K09WA4F  C2009 11 24.46959 04 09 23.31 +10 53 04.5          20.0 R EW104926
         K09WA4F  C2009 11 24.47208 04 09 23.05 +10 53 05.3          19.5 R EW104926
         K09WA4F  C2009 11 24.90581 04 08 46.71 +10 53 34.3          19.7 R EW104B18
         K09WA4F  C2009 11 24.90999 04 08 46.36 +10 53 34.3          19.8 R EW104B18
         K09WA4F  C2009 11 24.91417 04 08 46.01 +10 53 34.9          19.6 R EW104B18
    
    Observer details:
    926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  Measurer
        P. R. Holvorcem.  0.81-m f/7 Ritchey-Chretien + CCD.
    B18 Terskol.  Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov.
        Measurer M. Andreev.  0.6-m f/12.8 Cassegrain + CCD.
    G96 Mt. Lemmon Survey.  Observer R. E. Hill.  Measurers E. C. Beshore,
        A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
    
    Orbital elements:
    2009 WF104                                               Earth MOID = 0.2289 AU
    Epoch 2009 Nov. 5.0 TT = JDT 2455140.5                  MPC
    M 312.47382              (2000.0)            P               Q
    n   0.20428419     Peri.  103.33639     -0.94473998     +0.04843761
    a   2.8552636      Node    80.16626     -0.19190601     -0.88356285
    e   0.6460185      Incl.   19.21155     +0.26577895     -0.46580090
    P   4.82           H   16.4           G   0.15
    From 13 observations 2009 Nov. 23-24.
    
    Ephemeris:
    2009 WF104               a,e,i = 2.86, 0.65, 19                  q = 1.0107
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 11 25    04 08.65   +10 53.7    1.553    2.531   170.1     3.8    19.7
    2009 12 05    03 54.07   +11 10.8    1.497    2.457   163.4     6.6    19.7
    2009 12 15    03 39.56   +11 39.3    1.471    2.382   151.4    11.4    19.8
    2009 12 25    03 26.65   +12 20.5    1.471    2.305   138.9    16.3    19.9
    2010 01 04    03 16.59   +13 14.9    1.494    2.226   126.8    20.7    20.0
    2010 01 14    03 10.09   +14 22.2    1.531    2.146   115.5    24.4    20.1
    2010 01 24    03 07.47   +15 41.5    1.577    2.065   105.1    27.4    20.2
    2010 02 03    03 08.68   +17 11.7    1.626    1.982    95.6    29.7    20.2
    2010 02 13    03 13.52   +18 51.2    1.673    1.898    87.0    31.3    20.2
    2010 02 23    03 21.80   +20 38.6    1.714    1.813    79.3    32.4    20.2
    2010 03 05    03 33.32   +22 31.9    1.747    1.727    72.3    33.2    20.2
    2010 03 15    03 47.99   +24 29.2    1.769    1.641    66.1    33.6    20.1
    2010 03 25    04 05.82   +26 28.2    1.779    1.555    60.6    34.0    20.0
    
    Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-W104
    

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