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  • MPEC 2008-Y74 : 2004 XA192, 2006 UO321

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    M.P.E.C. 2008-Y74                                Issued 2008 Dec. 30, 19:57 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
    
                                2004 XA192, 2006 UO321
    
                         Revision to MPEC 2007-R03, MPO 121361
    
    Additional Observations:
         K04XJ2A  C2005 11 05.44191 05 06 03.13 +59 52 45.3          19.3 R EY074644
         K04XJ2A  C2005 11 05.49512 05 06 02.66 +59 52 46.7          19.3 R EY074644
         K04XJ2A  C2008 12 21.36814 05 41 50.55 +58 52 51.0          19.0 r EY074695
         K04XJ2A  C2008 12 21.42710 05 41 49.90 +58 52 50.3          19.0 r EY074695
         K04XJ2A  C2008 12 22.37490 05 41 39.59 +58 52 38.7          18.9 r EY074695
         K06UW1O  C2005 08 09.18099 00 11 31.36 -01 05 08.7          22.6 R EY074807
         K06UW1O  C2005 08 10.16597 00 11 28.60 -01 05 28.3                 EY074807
         K06UW1O  C2005 08 10.30073 00 11 28.21 -01 05 31.2                 EY074807
         K06UW1O  C2008 12 21.14717 00 19 15.08 -00 07 24.8          22.6 r EY074695
         K06UW1O  C2008 12 22.11170 00 19 15.41 -00 07 19.1          22.5 r EY074695
         K06UW1O  C2008 12 22.19302 00 19 15.45 -00 07 18.6          22.7 r EY074695
    
    Observer details:
    644 Palomar Mountain/NEAT.  Measurers M. Brown, C. Trujillo, D. Rabinowitz.
        1.2-m Schmidt + CCD.
    695 Kitt Peak.  Observers J. W. Parker, A. Bieryla.  Measurer A. Bieryla.
        3.5-m reflector + CCD.
    807 Cerro Tololo.  Observer M. Buie.  Measurer L. H. Wasserman.
        4-m Blanco reflector + CCD.
    
    Orbital elements:
    2004 XA192
    Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
    M 348.27270              (2000.0)            P               Q
    n   0.00307248     Peri.  132.87766     -0.27999594     -0.90434998
    a  46.8608592      Node   328.56520     +0.59671992     +0.09888435
    e   0.2438760      Incl.   38.14277     +0.75201570     -0.41517828
    P 321              H    3.6           G   0.15           U   5
    Residuals in seconds of arc
    K04CC  644  0.3-  0.8+    K053D  644  0.1+  2.0-    K08CL  695  0.0   0.1+
    K04CC  644  0.1-  0.7+    K05B5  644  0.3-  0.5-    K08CM  695  0.1+  0.1+
    K04CC  644  0.1-  0.6+    K05B5  644  0.3-  0.4-
    K053B  644  0.9+  0.6+    K08CL  695  0.0   0.1+
    
    2006 UO321
    Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
    M  59.79727              (2000.0)            P               Q
    n   0.00340083     Peri.  232.46613     +0.47514092     +0.87912758
    a  43.7937968      Node    65.94132     -0.79394710     +0.44651358
    e   0.0715008      Incl.    2.32803     -0.37932718     +0.16661427
    P 290              H    6.7           G   0.15           U   6
    Residuals in seconds of arc
    K0589  807  0.1-  0.4-    K06AJ  695  0.3+  0.2+    K08CL  695  0.1-  0.2-
    K058A  807  0.1+  0.1+    K06AJ  695  0.5-  0.0     K08CM  695  0.0   0.0
    K058A  807  0.1+  0.0     K06AK  695  0.0   0.1+    K08CM  695  0.2+  0.0
    
    Ephemerides:
    2004 XA192               a,e,i = 46.86, 0.24, 38                 q = 35.433
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2008 12 30    05 40.29   +58 50.5   35.050   35.839   142.9     0.9    19.2
    2009 01 09    05 38.59   +58 46.1   35.089   35.837   139.0     1.0    19.3
    2009 01 19    05 37.06   +58 40.1   35.151   35.835   133.5     1.1    19.3
    2009 01 29    05 35.75   +58 32.7   35.235   35.833   126.7     1.3    19.3
    2009 02 08    05 34.73   +58 24.2   35.338   35.831   119.3     1.4    19.3
    2009 02 18    05 34.02   +58 14.8   35.455   35.829   111.5     1.5    19.3
    2009 02 28    05 33.66   +58 04.9   35.584   35.827   103.4     1.5    19.3
    2009 03 10    05 33.66   +57 54.7   35.721   35.825    95.2     1.6    19.3
    2009 03 20    05 34.01   +57 44.6   35.860   35.822    87.0     1.6    19.3
    2009 03 30    05 34.71   +57 34.8   35.998   35.820    79.0     1.6    19.4
    2009 04 09    05 35.74   +57 25.6   36.131   35.818    71.0     1.5    19.4
    2009 04 19    05 37.06   +57 17.1   36.255   35.816    63.4     1.4    19.4
    2009 04 29    05 38.65   +57 09.6   36.366   35.814    56.1     1.3    19.4
    2009 05 09    05 40.46   +57 03.1   36.462   35.812    49.3     1.2    19.4
    2009 05 19    05 42.45   +56 57.9   36.540   35.810    43.3     1.1    19.3
    2009 05 29    05 44.58   +56 53.8   36.598   35.808    38.3     1.0    19.3
    2009 06 08    05 46.81   +56 51.1   36.634   35.806    34.9     0.9    19.3
    
    2006 UO321               a,e,i = 43.79, 0.07, 2                  q = 40.663
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2008 12 30    00 19.35   -00 06.2   42.459   42.400    85.9     1.3    23.2
    2009 01 09    00 19.61   -00 04.0   42.633   42.402    75.8     1.3    23.2
    2009 01 19    00 20.01   -00 00.8   42.799   42.403    65.7     1.2    23.2
    2009 01 29    00 20.54   +00 03.1   42.953   42.405    55.7     1.1    23.2
    2009 02 08    00 21.20   +00 07.8   43.090   42.407    45.7     1.0    23.2
    2009 02 18    00 21.96   +00 13.1   43.206   42.408    35.8     0.8    23.1
    
    Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-Y74
    

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