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  • MPEC 2009-A42 : 2007 OR10

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    M.P.E.C. 2009-A42                                Issued 2009 Jan. 7, 20:24 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
    
                                       2007 OR10
    
    Observations:
         K07O10R* C2007 07 17.39416 22 16 18.15 -15 02 01.3          21.4 R EA042675
         K07O10R  C2007 07 17.44407 22 16 18.06 -15 02 00.8          21.7 R EA042675
         K07O10R  C2007 07 18.33050 22 16 16.33 -15 02 10.5          21.3 R EA042675
         K07O10R  C2007 07 18.37190 22 16 16.21 -15 02 10.5          21.4 R EA042675
         K07O10R  C2007 07 21.37688 22 16 10.07 -15 02 44.7                 EA042675
         K07O10R  C2007 08 08.27766 22 15 29.58 -15 06 17.6                 EA042675
         K07O10R  C2007 08 08.37322 22 15 29.36 -15 06 19.2                 EA042675
         K07O10R  C2007 08 08.46937 22 15 29.12 -15 06 20.0                 EA042675
         K07O10R  C2007 09 05.28307 22 14 19.50 -15 11 54.4                 EA042675
         K07O10R  C2007 09 05.37887 22 14 19.24 -15 11 55.2                 EA042675
         K07O10R  C2007 10 15.09816 22 12 55.32 -15 17 17.8                 EA042675
         K07O10R  C2007 10 16.09672 22 12 53.78 -15 17 21.9                 EA042675
         K07O10R  C2007 10 16.23457 22 12 53.57 -15 17 22.6                 EA042675
         K07O10R  C2008 06 12.47359 22 17 58.95 -14 40 50.9                 EA042675
         K07O10R  C2008 06 16.43318 22 17 55.82 -14 41 11.6                 EA042675
         K07O10R  C2008 06 17.43780 22 17 54.91 -14 41 17.5                 EA042675
         K07O10R  C2008 07 03.37380 22 17 35.37 -14 43 15.9                 EA042675
         K07O10R  C2008 07 03.48126 22 17 35.22 -14 43 16.3                 EA042675
         K07O10R  C2008 07 04.37120 22 17 33.85 -14 43 25.0                 EA042675
         K07O10R  C2008 07 04.46685 22 17 33.67 -14 43 25.7                 EA042675
         K07O10R  C2008 08 06.36075 22 16 26.85 -14 49 27.2          21.2 R EA042675
         K07O10R  C2008 08 06.40574 22 16 26.76 -14 49 27.6          21.3 R EA042675
         K07O10R  C2008 08 08.27276 22 16 22.25 -14 49 51.3          21.5 R EA042675
         K07O10R  C2008 08 08.31672 22 16 22.17 -14 49 51.5          21.4 R EA042675
         K07O10R  C2008 08 23.03630 22 15 45.67 -14 52 51.8                 EA042807
         K07O10R  C2008 08 23.11179 22 15 45.48 -14 52 52.6                 EA042807
    
    Observer details:
    675 Palomar Mountain.  Observers M. E. Schwamb, M. E. Brown, D. Rabinowitz.
        1.2-m Oschin Schmidt + CCD.
    807 Cerro Tololo.  Measurers M. E. Schwamb, M. E. Brown.  0.9-m Cassegrain
        + CCD.
    
    Orbital elements:
    2007 OR10
    Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
    M  82.54340              (2000.0)            P               Q
    n   0.00162800     Peri.  213.38671     -0.95374580     +0.22392391
    a  71.5647190      Node   336.86429     +0.01350598     -0.63459773
    e   0.5424623      Incl.   30.69478     -0.30031073     -0.73969170
    P 605              H    2.5           G   0.15           U   7
    Residuals in seconds of arc
    070717 675  0.1+  0.7-    070905 675  0.3+  0.1+    080704 675  0.2+  0.2-
    070717 675  0.2+  0.3+    071015 675  0.0   0.1+    080704 675  0.2-  0.0
    070718 675  0.5+  0.3+    071016 675  0.1-  0.0     080806 675  0.2-  0.1+
    070718 675  0.0   0.7+    071016 675  0.0   0.1-    080806 675  0.1+  0.3+
    070721 675  0.6-  0.1-    080612 675  0.1+  0.1-    080808 675  0.4-  0.5-
    070808 675  0.4-  0.0     080616 675  0.0   0.0     080808 675  0.0   0.2-
    070808 675  0.2-  0.5-    080617 675  0.1-  0.1-    080823 807  0.2+  0.1-
    070808 675  0.3-  0.1-    080703 675  0.1-  0.0     080823 807  0.2+  0.1+
    070905 675  0.5+  0.2-    080703 675  0.2+  0.6+
    
    Ephemeris:
    2007 OR10                a,e,i = 71.56, 0.54, 31                 q = 32.744
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 03 30    22 17.76   -14 29.9   86.655   85.875    38.4     0.4    21.9
    2009 04 09    22 18.11   -14 27.9   86.549   85.883    48.1     0.5    22.0
    2009 04 19    22 18.42   -14 26.3   86.423   85.892    57.8     0.6    22.0
    2009 04 29    22 18.66   -14 25.0   86.282   85.900    67.4     0.6    22.0
    2009 05 09    22 18.83   -14 24.2   86.129   85.909    77.1     0.7    22.0
    2009 05 19    22 18.93   -14 23.7   85.970   85.917    86.7     0.7    22.0
    2009 05 29    22 18.96   -14 23.7   85.809   85.926    96.3     0.7    22.0
    2009 06 08    22 18.92   -14 24.1   85.652   85.934   105.8     0.7    22.0
    2009 06 18    22 18.80   -14 24.9   85.502   85.943   115.4     0.6    21.9
    2009 06 28    22 18.61   -14 26.1   85.365   85.951   125.0     0.6    21.9
    2009 07 08    22 18.37   -14 27.5   85.244   85.960   134.5     0.5    21.9
    2009 07 18    22 18.06   -14 29.2   85.143   85.968   144.1     0.4    21.9
    2009 07 28    22 17.72   -14 31.0   85.066   85.977   153.7     0.3    21.9
    2009 08 07    22 17.33   -14 33.0   85.014   85.985   163.2     0.2    21.9
    2009 08 17    22 16.93   -14 35.1   84.990   85.994   172.3     0.1    21.9
    2009 08 27    22 16.51   -14 37.1   84.995   86.002   175.3     0.1    21.8
    2009 09 06    22 16.10   -14 39.0   85.030   86.011   166.7     0.2    21.9
    2009 09 16    22 15.70   -14 40.8   85.092   86.019   157.1     0.3    21.9
    2009 09 26    22 15.32   -14 42.3   85.182   86.028   147.3     0.4    21.9
    2009 10 06    22 14.99   -14 43.6   85.297   86.036   137.5     0.4    21.9
    2009 10 16    22 14.71   -14 44.5   85.433   86.045   127.6     0.5    21.9
    2009 10 26    22 14.49   -14 45.0   85.588   86.053   117.6     0.6    21.9
    2009 11 05    22 14.34   -14 45.1   85.757   86.062   107.6     0.6    22.0
    2009 11 15    22 14.27   -14 44.7   85.935   86.070    97.6     0.7    22.0
    2009 11 25    22 14.27   -14 44.0   86.116   86.079    87.5     0.7    22.0
    2009 12 05    22 14.34   -14 42.8   86.297   86.087    77.4     0.6    22.0
    2009 12 15    22 14.50   -14 41.2   86.471   86.096    67.3     0.6    22.0
    2009 12 25    22 14.72   -14 39.2   86.633   86.104    57.2     0.6    22.0
    2010 01 04    22 15.01   -14 36.9   86.779   86.113    47.1     0.5    22.0
    2010 01 14    22 15.36   -14 34.4   86.904   86.121    37.1     0.4    22.0
    
    Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-A42
    

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