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  • MPEC 2005-G83 : 2003 WU172

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    M.P.E.C. 2005-G83                                Issued 2005 Apr. 12, 23:56 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.
    
                      Supported in part by the Brinson Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                      2003 WU172
    
                               Revision to MPEC 2003-Y02
    
    Additional Observations:
         K03WH2U  C2005 03 04.15874 04 23 14.59 +25 11 49.2                 EG083G96
         K03WH2U  C2005 03 09.13376 04 23 28.28 +25 11 48.2                 EG083G96
         K03WH2U  C2005 03 11.14427 04 23 34.80 +25 11 50.2                 EG083G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer C. M. Casey.  Measurers E. C. Beshore,
        C. M. Casey, E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson,
        R. H. McNaught.  1.5-m reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees) and reference
    050304 G96 0.04- 0.01-    050311 G96 0.04- 0.01-    MPO 74303
    
    Orbital elements:
    2003 WH172
    Epoch 2005 Jan. 30.0 TT = JDT 2453400.5                 MPC
    M 333.58537              (2000.0)            P               Q
    n   0.00392345     Peri.  106.40409     -0.45153626     -0.89215593
    a  39.8129101      Node    10.46753     +0.78853547     -0.40589958
    e   0.2837779      Incl.    4.14928     +0.41752463     -0.19825067
    P 251              H    6.7           G   0.15           U   6
    Residuals in seconds of arc
    031119 691  0.4+  0.1-    031121 691  0.2-  0.0     031216 291  0.1+  0.5+
    031119 691  0.2+  0.2+    031214 291  0.4-  0.1-    031216 291  1.6+  1.1-
    031119 691  0.0   0.0     031214 291  0.7-  0.5+    050304 G96  0.0   0.0
    031121 691  0.1+  0.0     031214 291  0.4-  0.2+    050309 G96  0.1+  0.0
    031121 691  0.0   0.1+    031216 291  0.1+  0.1+    050311 G96  0.1+  0.1+
    
    Ephemeris:
    2003 WU172               a,e,i = 39.81, 0.28, 4                  q = 28.515
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2005 04 10    04 26.21   +25 14.9   31.278   30.627    48.8     1.4    21.8
    2005 04 20    04 27.46   +25 16.9   31.392   30.621    39.3     1.2    21.8
    2005 04 30    04 28.85   +25 19.4   31.484   30.616    30.0     0.9    21.8
    
    2005 07 09    04 39.67   +25 42.2   31.402   30.575    35.0     1.1    21.8
    2005 07 19    04 40.98   +25 45.4   31.289   30.569    44.2     1.3    21.8
    2005 07 29    04 42.14   +25 48.6   31.157   30.563    53.5     1.5    21.8
    2005 08 08    04 43.13   +25 51.5   31.008   30.558    62.8     1.7    21.8
    2005 08 18    04 43.91   +25 54.1   30.846   30.552    72.2     1.8    21.8
    2005 08 28    04 44.48   +25 56.4   30.676   30.546    81.7     1.9    21.8
    2005 09 07    04 44.82   +25 58.3   30.501   30.540    91.3     1.9    21.8
    2005 09 17    04 44.92   +25 59.8   30.328   30.535   101.0     1.9    21.8
    2005 09 27    04 44.78   +26 00.9   30.159   30.529   110.7     1.8    21.7
    2005 10 07    04 44.40   +26 01.5   30.002   30.523   120.6     1.6    21.7
    2005 10 17    04 43.81   +26 01.7   29.859   30.517   130.6     1.4    21.7
    2005 10 27    04 43.03   +26 01.3   29.736   30.512   140.7     1.2    21.7
    2005 11 06    04 42.08   +26 00.5   29.636   30.506   150.9     0.9    21.6
    2005 11 16    04 41.00   +25 59.1   29.563   30.500   161.0     0.6    21.6
    2005 11 26    04 39.84   +25 57.4   29.520   30.494   170.9     0.3    21.5
    2005 12 06    04 38.64   +25 55.4   29.506   30.489   175.7     0.1    21.5
    2005 12 16    04 37.45   +25 53.1   29.524   30.483   166.9     0.4    21.6
    2005 12 26    04 36.33   +25 50.7   29.572   30.477   156.7     0.7    21.6
    2006 01 05    04 35.31   +25 48.2   29.648   30.472   146.4     1.0    21.6
    2006 01 15    04 34.45   +25 45.8   29.750   30.466   136.0     1.3    21.7
    2006 01 25    04 33.77   +25 43.6   29.875   30.460   125.8     1.5    21.7
    2006 02 04    04 33.31   +25 41.7   30.017   30.455   115.5     1.7    21.7
    2006 02 14    04 33.08   +25 40.2   30.173   30.449   105.4     1.8    21.7
    2006 02 24    04 33.10   +25 39.1   30.336   30.443    95.3     1.9    21.8
    2006 03 06    04 33.36   +25 38.5   30.502   30.438    85.3     1.9    21.8
    2006 03 16    04 33.87   +25 38.4   30.666   30.432    75.5     1.8    21.8
    2006 03 26    04 34.61   +25 38.8   30.823   30.427    65.7     1.7    21.8
    2006 04 05    04 35.56   +25 39.8   30.968   30.421    56.1     1.6    21.8
    2006 04 15    04 36.69   +25 41.2   31.096   30.415    46.6     1.4    21.8
    2006 04 25    04 37.99   +25 43.0   31.206   30.410    37.1     1.1    21.8
    
    Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-G83
    

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