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  • MPEC 1994-R06 : 1993 RO

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    M.P.E.C. 1994-R06                                Issued 1994 Sept. 10, 14:35 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.
    
              MARSDEN@CFA or WILLIAMS@CFA (.HARVARD.EDU, .SPAN or .BITNET)
    
                                        1993 RO
    
    Recovered by D. Jewitt and J. Luu at Mauna Kea.  The compromise orbital
    elements below keep 1993 RO at least 10.5 AU from Neptune over the time
    period 5000 BC-AD 12000.
    
    Additional observations:
         J93R00O  A1994 09 05.5318  23 31 57.44 -03 09 15.6          23   R      568
         J93R00O  A1994 09 05.5409  23 31 57.40 -03 09 16.0                      568
         J93R00O  A1994 09 05.5503  23 31 57.35 -03 09 16.5                      568
         J93R00O  A1994 09 05.5583  23 31 57.29 -03 09 16.7                      568
         J93R00O  A1994 09 07.4460  23 31 46.73 -03 10 26.8                      568
         J93R00O  A1994 09 07.4581  23 31 46.69 -03 10 27.0                      568
         J93R00O  A1994 09 07.4763  23 31 46.54 -03 10 27.9                      568
         J93R00O  A1994 09 07.4879  23 31 46.51 -03 10 28.3                      568
    
    Observer details:
    568 Mauna Kea.  Observers D. Jewitt and J. Luu.  Keck 10-m reflector
        (Sept. 5) and University of Hawaii 2-m reflector (Sept. 7).
    
    Orbital elements:
    1993 RO
    Epoch 1994 Sept. 5.0 TT = JDT 2449600.5                 Marsden
    M 358.17942              (2000.0)            P               Q
    n   0.00394085     Peri.  184.52897     +0.99590718     +0.08971762
    a  39.6956195      Node   170.30328     -0.08075047     +0.93760069
    e   0.2046118      Incl.    3.72341     -0.04059868     +0.33594002
    P 250.10
    Residuals in seconds of arc
    930914 568  0.4-  0.9-    930917 568  0.7-  0.8+    940905 568  0.1-  0.5-
    930914 568  0.3-  0.8-    930917 568  1.3-  0.7+    940907 568  0.8-  0.2+
    930915 568  0.3-  0.5-    930920 950  0.6+  0.9- Y  940907 568  0.4-  0.4+
    930915 568  0.2-  0.3-    940905 568  0.1-  0.4-    940907 568  1.1-  0.2+
    930916 568  0.3-  0.1+    940905 568  0.1+  0.5-    940907 568  0.5-  0.3+
    930916 568  0.6-  0.5+    940905 568  0.2+  0.6-
    
    Ephemeris:
    1993 RO                  a,e,i = 39.70, 0.20, 4                  q = 31.573
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1994 09 05    23 32.01   -03 08.9   30.587   31.580   170.0     0.3    23.0
    1994 09 15    23 31.07   -03 15.2   30.574   31.580   179.9     0.0    22.9
    1994 09 25    23 30.13   -03 21.5   30.591   31.579   170.0     0.3    23.0
    1994 10 05    23 29.24   -03 27.5   30.638   31.579   160.0     0.6    23.0
    1994 10 15    23 28.41   -03 33.1   30.712   31.579   149.9     0.9    23.1
    1994 10 25    23 27.69   -03 37.9   30.813   31.579   139.7     1.2    23.1
    1994 11 04    23 27.10   -03 41.9   30.937   31.578   129.6     1.4    23.1
    1994 11 14    23 26.68   -03 44.8   31.080   31.578   119.4     1.6    23.2
    1994 11 24    23 26.44   -03 46.6   31.238   31.578   109.3     1.7    23.2
    1994 12 04    23 26.40   -03 47.1   31.406   31.578    99.1     1.8    23.2
    1994 12 14    23 26.55   -03 46.3   31.579   31.577    89.0     1.8    23.2
    1994 12 24    23 26.91   -03 44.2   31.751   31.577    78.9     1.8    23.2
    
    Brian G. Marsden                                              M.P.E.C. 1994-R06
    

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