• Processing (Info)

    • MPEC 2008-X68 : 2007 RW10

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    M.P.E.C. 2008-X68                                Issued 2008 Dec. 8, 17:17 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 RW10

                           Revision to MPEC 2007-X06

Additional Observations:
     K07R10W  C2008 10 23.13647 00 22 13.63 +02 28 14.3          20.0 r EX068695
     K07R10W  C2008 10 24.23885 00 22 07.12 +02 27 13.1          19.5 r EX068695
     K07R10W  C2008 10 24.31730 00 22 06.65 +02 27 08.7          19.6 r EX068695

Observer details:
695 Kitt Peak.  Observers J. W. Parker, J. Kavelaars, A. Parker.  Measurer
    J. W. Parker.  3.5-m reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
081023 695 41.4+  9.5+    081024 695 41.4+  9.5+    MPO130254

Orbital elements:
2007 RW10
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M  50.76341              (2000.0)            P               Q
n   0.00591108     Peri.   96.62768     +0.21276509     +0.97444365
a  30.2941133      Node   187.02715     -0.95075702     +0.22347150
e   0.2996567      Incl.   36.07891     +0.22537104     +0.02280467
P 166.74           H    5.6           G   0.15           U   4
Residuals in seconds of arc
070909 675  0.2-  0.0     071004 688  1.0+  0.2+ Y  071106 675  0.0   0.2+
070909 675  0.3+  0.4+    071004 688  0.3+  0.6- Y  071129 675  0.1-  0.2-
070910 675  0.2-  0.2+    071019 675  0.1-  0.1-    071129 675  0.0   0.1+
070910 675  0.3+  0.4+    071019 675  0.0   0.2+    071129 675  0.0   0.1+
070916 675  0.3-  0.5-    071019 675  0.1+  0.6-    081023 695  0.1-  0.1-
070916 675  0.4-  0.2-    071106 675  0.1-  0.3+    081024 695  0.0   0.1+
071004 688  0.6-  0.2- Y  071106 675  0.0   0.3+    081024 695  0.0   0.0

Ephemeris:
2007 RW10                a,e,i = 30.29, 0.30, 36                 q = 21.216
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2008 11 30    00 19.57   +02 00.2   26.209   26.676   117.3     1.9    20.1
2008 12 10    00 19.35   +01 56.0   26.380   26.685   107.0     2.0    20.1
2008 12 20    00 19.35   +01 53.3   26.560   26.695    96.8     2.1    20.1
2008 12 30    00 19.60   +01 52.1   26.743   26.705    86.7     2.1    20.1
2009 01 09    00 20.08   +01 52.6   26.925   26.715    76.6     2.1    20.1
2009 01 19    00 20.78   +01 54.5   27.100   26.724    66.6     1.9    20.1
2009 01 29    00 21.70   +01 57.8   27.263   26.734    56.7     1.8    20.1
2009 02 08    00 22.80   +02 02.3   27.409   26.744    46.8     1.5    20.1
2009 02 18    00 24.05   +02 07.8   27.536   26.754    37.0     1.3    20.1

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-X68

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