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  • MPEC 2008-W67 : 2001 VR78

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    M.P.E.C. 2008-W67                                Issued 2008 Nov. 25, 17:35 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.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2001 VR78
    
                               Revision to MPEC 2001-W28
    
    Additional Observations:
         K01V78R  C1998 11 15.36870 03 39 02.99 +17 05 22.4          20.4 V EW067691
         K01V78R  C1998 11 15.39070 03 39 01.05 +17 04 54.7          20.4 V EW067691
         K01V78R  C1998 11 15.41211 03 38 59.17 +17 04 27.6          20.5 V EW067691
         K01V78R  C2008 11 24.38200 05 12 34.20 -12 02 04.1          19.4 V EW067703
         K01V78R  C2008 11 24.38767 05 12 33.73 -12 02 10.7          19.7 V EW067703
         K01V78R  C2008 11 24.39368 05 12 33.22 -12 02 19.6          19.1 V EW067703
         K01V78R  C2008 11 24.39965 05 12 32.83 -12 02 26.1          20.4 V EW067703
         K01V78R  C2008 11 24.58792 05 12 17.91 -12 06 18.1          19.4 R EW067E12
         K01V78R  C2008 11 25.00551 05 11 44.34 -12 15 05.4                 EW067J95
         K01V78R  C2008 11 25.06001 05 11 39.96 -12 16 12.1          18.9 R EW067J95
         K01V78R  C2008 11 25.37231 05 11 14.74 -12 22 39.7          19.1 R EW067H36
         K01V78R  C2008 11 25.38694 05 11 13.56 -12 22 57.5          19.3 R EW067H36
         K01V78R  C2008 11 25.39181 05 11 13.15 -12 23 03.5          19.8 R EW067H36
    
    Observer details:
    691 Steward Observatory, Kitt Peak.  0.9-m Spacewatch telescope.
    703 Catalina Sky Survey.  Observer A. Boattini.  Measurers E. C. Beshore,
        A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
        S. M. Larson.  0.68-m Schmidt + CCD.
    E12 Siding Spring Survey.  Observer G. J. Garradd.  0.5-m Uppsala Schmidt
        + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees) and reference
    981115 691 0.47- 0.50+    081125 H36 1.10+ 0.97-    MPO 23917
    
    Orbital elements:
    2001 VR78
    Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
    M 221.10537              (2000.0)            P               Q
    n   0.30547458     Peri.    1.48527     -0.57416515     +0.46679898
    a   2.1834973      Node   234.12127     -0.75947841     -0.61053186
    e   0.2259219      Incl.   56.11348     -0.30582172     +0.63980431
    P   3.23           H   15.9           G   0.15           U   3
    Residuals in seconds of arc
    981115 691  0.1-  0.2-    011117 704  1.3+  0.0     011202 715  0.2+  1.0+
    981115 691  0.2-  0.1-    011117 704  1.0+  0.4+    081124 703  0.5+  0.6+
    981115 691  0.2-  0.2-    011117 704  0.1-  0.6+    081124 703  0.4+  1.1+
    011111 704  0.3-  1.0+    011118 704  1.0+  0.1-    081124 703  0.1+  0.2-
    011111 704  0.3-  0.1+    011118 704  0.5+  0.6-    081124 703  1.5+  0.7+
    011111 704  0.2+  0.5+    011118 704  0.5+  0.3-    081124 E12  0.6+  0.5-
    011111 704  0.3+  0.6+    011118 704  0.2-  0.7-    081125 J95  0.9-  0.6-
    011114 557  0.0   0.2+    011119 704  0.0   0.4-    081125 J95  0.1+  0.5+
    011114 557  0.3-  0.5+    011119 704  0.3+  0.4+    081125 H36  0.4+  0.3-
    011115 046  1.9-  1.7-    011119 704  0.9+  0.3+    081125 H36  0.8+  0.0
    011115 046  0.4-  0.5-    011202 715  0.0   0.5+    081125 H36  0.6+  0.0
    011115 046  1.2-  0.5-    011202 715  0.7-  0.3+
    
    Ephemeris:
    2001 VR78                a,e,i = 2.18, 0.23, 56                  q = 1.6902
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2008 11 20    05 18.20   -10 28.0    1.756    2.605   141.7    13.6    20.0
    2008 11 30    05 04.86   -13 54.8    1.736    2.593   143.1    13.2    19.9
    2008 12 10    04 50.46   -16 46.9    1.747    2.580   140.1    14.2    20.0
    2008 12 20    04 36.39   -18 55.4    1.786    2.567   133.7    16.1    20.1
    2008 12 30    04 23.96   -20 18.1    1.850    2.552   125.7    18.2    20.2
    2009 01 09    04 14.18   -20 59.3    1.931    2.537   117.2    20.2    20.4
    2009 01 19    04 07.53   -21 07.5    2.025    2.520   108.8    21.7    20.5
    2009 01 29    04 04.16   -20 51.1    2.125    2.503   100.8    22.7    20.6
    2009 02 08    04 03.93   -20 18.4    2.226    2.486    93.3    23.3    20.7
    2009 02 18    04 06.55   -19 36.0    2.325    2.467    86.3    23.6    20.8
    2009 02 28    04 11.71   -18 48.8    2.420    2.447    79.8    23.5    20.9
    2009 03 10    04 19.11   -18 00.9    2.506    2.427    74.0    23.2    20.9
    2009 03 20    04 28.46   -17 15.2    2.583    2.406    68.7    22.7    21.0
    2009 03 30    04 39.55   -16 33.8    2.649    2.385    63.9    22.1    21.0
    2009 04 09    04 52.18   -15 58.8    2.705    2.362    59.6    21.5    21.0
    2009 04 19    05 06.21   -15 31.6    2.750    2.339    55.9    20.8    21.0
    2009 04 29    05 21.53   -15 13.3    2.783    2.316    52.7    20.2    21.0
    2009 05 09    05 38.02   -15 05.2    2.807    2.292    50.0    19.7    20.9
    2009 05 19    05 55.62   -15 07.9    2.821    2.267    47.7    19.3    20.9
    2009 05 29    06 14.27   -15 22.1    2.826    2.242    45.9    18.9    20.9
    2009 06 08    06 33.90   -15 48.4    2.824    2.216    44.4    18.7    20.8
    2009 06 18    06 54.48   -16 27.0    2.817    2.190    43.2    18.5    20.8
    2009 06 28    07 15.96   -17 17.8    2.805    2.164    42.3    18.4    20.8
    2009 07 08    07 38.31   -18 20.5    2.790    2.137    41.5    18.4    20.7
    2009 07 18    08 01.47   -19 34.3    2.773    2.110    40.7    18.3    20.7
    2009 07 28    08 25.44   -20 58.2    2.756    2.083    40.0    18.3    20.6
    2009 08 07    08 50.14   -22 30.5    2.739    2.056    39.2    18.2    20.6
    2009 08 17    09 15.55   -24 09.2    2.724    2.029    38.4    18.0    20.5
    2009 08 27    09 41.63   -25 52.3    2.709    2.002    37.4    17.8    20.5
    2009 09 06    10 08.33   -27 37.1    2.697    1.976    36.3    17.6    20.5
    2009 09 16    10 35.60   -29 20.9    2.685    1.950    35.1    17.2    20.4
    2009 09 26    11 03.40   -31 01.1    2.674    1.924    33.8    16.9    20.4
    2009 10 06    11 31.65   -32 34.8    2.662    1.899    32.7    16.5    20.3
    2009 10 16    12 00.28   -33 59.4    2.649    1.875    31.7    16.2    20.3
    
    Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-W67
    

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