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  • MPEC 2001-M09 : 1988 RO1

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    M.P.E.C. 2001-M09                                Issued 2001 June 19, 21:39 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.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       1988 RO1
    
    Observations:
         J88R01O 1C2001 06 03.63236 18 08 13.28 +01 57 56.9          18.6 R      413
         J88R01O 1C2001 06 03.63442 18 08 13.22 +01 57 58.6                      413
         J88R01O 1C2001 06 03.63647 18 08 13.17 +01 58 00.4                      413
         J88R01O  C2001 06 19.01005 17 59 46.35 +05 09 44.5          18.6 V      493
         J88R01O IC2001 06 19.01405 17 59 46.17 +05 09 47.0                      493
         J88R01O  C2001 06 19.09646 17 59 42.30 +05 10 38.1                      493
    
    Observer details:
    413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
    493 Calar Alto.  Observers DANEOPS Team (M. Busch, A. Seib, F. Hormuth).
        Measurers R. Stoss, A. Gnadig, A. Doppler.  1.52-m reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    010603 413 0.55- 0.04-    010619 493 0.64- 0.07-    MPC 28613   +0.51 day
    
    Orbital elements:
    1988 RO1
    Epoch 2001 Apr. 1.0 TT = JDT 2452000.5                  Spahr
    M 320.15200              (2000.0)            P               Q
    n   0.22571056     Peri.  153.99504     +0.91324734     +0.40734648
    a   2.6715797      Node   182.00587     -0.39975521     +0.89268314
    e   0.5123731      Incl.   11.43381     -0.07858164     +0.19283582
    P   4.37           H   17.3           G   0.15           U   2
    Residuals in seconds of arc
    880818 675  0.2+  0.4-    881007 675  0.5+  0.7+    010603 413  0.0   0.1-
    880818 675  0.3+  0.2+    881007 675  0.4-  0.7+    010603 413  0.1-  0.1-
    880913 675  0.2+  0.6-    881008 675  0.2+  1.1-    010603 413  0.1-  0.0
    880913 675  0.3-  0.4+    881010 675  0.1-  1.8-    010619 493  0.1-  0.2+
    880914 675  0.3-  0.2+    881013 675  0.3+  1.2-    010619 493  0.0   0.2+
    880914 675  0.1-  0.0     881102 413  1.9+  0.4+    010619 493  0.2+  0.1+
    881006 801  1.1-  1.7+    881102 413  0.8-  0.9+
    
    Ephemeris:
    1988 RO1                 a,e,i = 2.67, 0.51, 11                  q = 1.3027
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 06 10    18 05.42   +03 23.8    0.739    1.699   150.7    17.0    18.7
    2001 06 20    17 59.06   +05 19.9    0.675    1.640   151.2    17.4    18.4
    2001 06 30    17 51.33   +06 39.0    0.626    1.583   148.2    19.8    18.3
    2001 07 10    17 43.98   +07 08.3    0.591    1.530   142.8    23.7    18.2
    2001 07 20    17 38.82   +06 41.7    0.568    1.480   136.3    28.3    18.2
    2001 07 30    17 37.63   +05 20.0    0.554    1.434   129.7    33.0    18.2
    2001 08 09    17 41.59   +03 11.4    0.547    1.394   123.8    37.2    18.2
    2001 08 19    17 51.29   +00 26.4    0.546    1.360   118.6    40.8    18.3
    2001 08 29    18 07.01   -02 42.2    0.549    1.334   114.3    43.6    18.3
    2001 09 08    18 28.56   -06 00.0    0.558    1.315   111.0    45.7    18.4
    2001 09 18    18 55.48   -09 11.6    0.573    1.305   108.4    47.0    18.4
    2001 09 28    19 27.06   -12 00.6    0.597    1.303   106.4    47.5    18.5
    2001 10 08    20 02.07   -14 11.6    0.630    1.311   104.8    47.5    18.7
    2001 10 18    20 39.04   -15 34.3    0.675    1.327   103.4    46.9    18.8
    2001 10 28    21 16.47   -16 04.4    0.732    1.351   102.0    46.0    19.0
    2001 11 07    21 52.99   -15 45.2    0.802    1.383   100.4    44.8    19.2
    2001 11 17    22 27.71   -14 44.5    0.885    1.421    98.5    43.5    19.5
    2001 11 27    23 00.26   -13 11.8    0.980    1.465    96.3    42.0    19.7
    2001 12 07    23 30.54   -11 17.1    1.086    1.514    93.8    40.5    20.0
    2001 12 17    23 58.75   -09 08.5    1.202    1.566    91.0    38.9    20.2
    2001 12 27    00 25.18   -06 52.4    1.328    1.622    87.8    37.3    20.5
    2002 01 06    00 50.10   -04 34.0    1.463    1.680    84.3    35.6    20.7
    2002 01 16    01 13.81   -02 16.9    1.605    1.740    80.6    33.9    20.9
    2002 01 26    01 36.57   -00 03.9    1.752    1.801    76.7    32.1    21.2
    
    Timothy B. Spahr             (C) Copyright 2001 MPC           M.P.E.C. 2001-M09
    

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