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  • MPEC 1996-A11 : 1995 DA2

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    M.P.E.C. 1996-A11                                Issued 1996 Jan. 6, 15:39 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.
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
    
                                       1995 DA2
    
                               Revision to MPEC 1995-G04
    
    Observations:
         J95D02A  C1995 12 23.50123 08 51 59.56 +17 49 49.1                      568
         J95D02A  C1995 12 23.53149 08 51 59.41 +17 49 49.8                      568
         J95D02A  C1995 12 24.51484 08 51 55.09 +17 50 09.9                      568
    
    Observer details:
    568 Mauna Kea.  Observers D. Jewitt, J. Chen.  2.2-m University of Hawaii
        telescope.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc
    951223 568 64.2+ 22.6-    951224 568 64.5+ 22.5-    MPC 26374
    
    Orbital elements:
    1995 DA2
    The following assumed 3:4 Neptune-resonance elements keep the
    object more than 9 AU from Neptune over a 14 000-year period.
    Epoch 1996 Apr. 27.0 TT = JDT 2450200.5                 Marsden
    M  42.70143              (2000.0)            P               Q
    n   0.00450639     Peri.  312.03365     +0.17789530     -0.97986263
    a  36.3008491      Node   127.49426     +0.93324859     +0.13876922
    e   0.0928476      Incl.    6.56257     +0.31209025     +0.14356992
    P 218.71           H    8.0           G   0.15
    Residuals in seconds of arc
    950224 568  0.3-  0.0     950324 568  0.4+  0.9-    950404 568  0.2+  1.5+
    950224 568  0.0   0.2+    950324 568  0.8+  1.0-    950404 568  0.2-  1.5+
    950224 568  0.1+  0.1+    950330 413  0.8+  0.1-    950405 568  0.3-  1.1+
    950224 568  0.3-  0.1+    950330 413  0.6+  0.5-    950405 568  0.3+  0.9+
    950225 568  0.1+  0.1-    950331 950  1.3-  0.4-    951223 568  0.0   0.1-
    950225 568  0.4-  0.3-    950331 950  0.1-  0.2-    951223 568  0.2-  0.1-
    950226 568  0.1-  0.0     950401 950  0.3-  0.6-    951224 568  0.2+  0.0
    950226 568  0.5+  0.5-    950401 950  0.2-  0.7-
    
    Ephemeris:
    1995 DA2                 a,e,i = 36.30, 0.09, 7                  q = 32.930
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1995 12 29    08 51.57   +17 51.7   33.135   33.959   146.5     0.9    23.4
    1996 01 08    08 50.71   +17 55.6   33.055   33.961   156.9     0.7    23.4
    1996 01 18    08 49.77   +17 59.8   33.003   33.963   167.3     0.4    23.3
    1996 01 28    08 48.77   +18 04.1   32.981   33.965   177.7     0.1    23.3
    1996 02 07    08 47.76   +18 08.5   32.991   33.967   171.9     0.2    23.3
    1996 02 17    08 46.78   +18 12.6   33.031   33.969   161.5     0.5    23.4
    1996 02 27    08 45.87   +18 16.5   33.100   33.971   151.2     0.8    23.4
    1996 03 08    08 45.07   +18 20.0   33.196   33.973   141.0     1.1    23.4
    1996 03 18    08 44.41   +18 22.8   33.316   33.975   130.9     1.3    23.4
    1996 03 28    08 43.90   +18 25.1   33.455   33.977   120.8     1.4    23.5
    1996 04 07    08 43.58   +18 26.6   33.610   33.979   110.9     1.6    23.5
    1996 04 17    08 43.45   +18 27.4   33.775   33.981   101.0     1.7    23.5
    1996 04 27    08 43.51   +18 27.4   33.946   33.983    91.3     1.7    23.5
    1996 05 07    08 43.78   +18 26.7   34.117   33.986    81.7     1.7    23.5
    1996 05 17    08 44.24   +18 25.2   34.284   33.988    72.1     1.6    23.5
    1996 05 27    08 44.88   +18 23.0   34.443   33.990    62.7     1.5    23.5
    
    Brian G. Marsden             (C) Copyright 1996 MPC           M.P.E.C. 1996-A11
    

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