• MPC Preparation (Info)

    • MPEC 2007-E71 : 2005 XU100

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    M.P.E.C. 2007-E71                                Issued 2007 Mar. 14, 19:01 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

                                  2005 XU100

                           Revision to MPEC 2006-L42

Additional Observations:
     K05XA0U .C2006 12 21.36750 09 16 25.34 +16 16 25.7          22.1 R EE071695
     K05XA0U .C2006 12 21.50728 09 16 24.90 +16 16 27.4                 EE071695
     K05XA0U .C2007 02 21.31401 09 11 47.25 +16 35 24.7          22.0 R EE071695
     K05XA0U .C2007 02 21.43795 09 11 46.63 +16 35 27.2                 EE071695

Observer details:
695 Kitt Peak.  Observer L. H. Wasserman.  Measurers L. H. Wasserman,
    M. W. Buie, P. L. Collins.  4-m f/2.8 reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
061221 695 0.03- 0.01+    070221 695 0.03- 0.01+    MPO102263

Orbital elements:
2005 XU100
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5                 MPC
M  64.42000              (2000.0)            P               Q
n   0.00344994     Peri.  102.07342     +0.48610504     -0.86916410
a  43.3772131      Node   318.44008     +0.73904073     +0.46435010
e   0.1010461      Incl.    7.87206     +0.46639114     +0.17009631
P 286              H    5.8           G   0.15           U   4
Residuals in seconds of arc
051201 695  0.3-  0.2-    060302 695  0.2-  0.3+    061221 695  0.0   0.2-
051201 695  0.1-  0.2-    060426 807  0.2+  0.1+    070221 695  0.1+  0.0
051202 695  0.4+  0.0     060427 807  0.0   0.1-    070221 695  0.2-  0.1+
060302 695  0.1+  0.0     060428 807  0.2+  0.0
060302 695  0.1-  0.2+    061221 695  0.0   0.1-

Ephemeris:
2005 XU100               a,e,i = 43.38, 0.10, 8                  q = 38.994
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2007 03 11    09 10.49   +16 40.5   41.041   41.860   145.1     0.8    22.1
2007 03 21    09 09.89   +16 42.8   41.152   41.863   135.0     1.0    22.1
2007 03 31    09 09.40   +16 44.5   41.285   41.865   125.0     1.1    22.2
2007 04 10    09 09.05   +16 45.7   41.434   41.868   115.0     1.2    22.2
2007 04 20    09 08.85   +16 46.1   41.596   41.870   105.2     1.3    22.2
2007 04 30    09 08.81   +16 45.9   41.765   41.873    95.4     1.4    22.2
2007 05 10    09 08.92   +16 45.0   41.937   41.875    85.8     1.4    22.2
2007 05 20    09 09.20   +16 43.4   42.108   41.878    76.2     1.3    22.2
2007 05 30    09 09.62   +16 41.2   42.271   41.880    66.7     1.3    22.2
2007 06 09    09 10.18   +16 38.4   42.423   41.883    57.3     1.2    22.2
2007 06 19    09 10.86   +16 34.9   42.560   41.886    47.9     1.0    22.2
2007 06 29    09 11.65   +16 31.1   42.678   41.888    38.6     0.9    22.2

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-E71

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