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  • MPEC 2013-B65 : 2007 WY3

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    M.P.E.C. 2013-B65                                Issued 2013 Jan. 21, 18:27 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2007 WY3
    
                               Revision to MPEC 2007-W41
    
    Additional Observations:
         K07W03Y 2C2012 12 14.50310909 06 16.726+12 40 23.60         23.2 RtEB065568
         K07W03Y 2C2012 12 14.51032809 06 16.388+12 40 23.65         22.9 RtEB065568
         K07W03Y 2C2012 12 14.51757409 06 16.067+12 40 23.80         23.2 RtEB065568
         K07W03Y 2C2013 01 12.52128908 36 16.199+13 25 03.24         22.6 RtEB065568
         K07W03Y 2C2013 01 12.52571208 36 15.862+13 25 03.91         22.6 RtEB065568
    
    Observer details:
    568 Mauna Kea.  Observers M. Micheli, G. T. Elliott, D. J. Tholen.  Measurer
        D. J. Tholen.  2.24-m University of Hawaii reflector.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    121214 568 84.8+ 44.5-    130112 568 0.03+ 0.01-    MPO133554   -0.20 day
    
    Orbital elements:
    2007 WY3                                                 Earth MOID = 0.0983 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M  35.19895              (2000.0)            P               Q
    n   0.21126572     Peri.   50.76243     +0.90471820     +0.37711000
    a   2.7920082      Node   286.27125     -0.42588440     +0.78931166
    e   0.7680897      Incl.   11.91399     -0.01036611     +0.48453602
    P   4.67           H   18.2           G   0.15           U   2
    Residuals in seconds of arc
    071118 G96  0.3+  0.4-    071125 H55  0.1+  0.1+    071217 H45  1.0+  0.6-
    071118 G96  0.1+  0.0     071125 H55  0.7+  0.1+    071217 691  0.4-  0.9-
    071118 G96  0.4+  0.1-    071125 H55  0.5+  0.2+    071217 691  0.4+  0.3-
    071118 G96  0.6+  0.2-    071125 H55  0.4+  0.2+    071217 691  0.3+  0.2-
    071118 G96  0.3+  0.1+    071203 291  0.7-  0.1+    071226 H55  0.1-  0.0
    071118 G96  0.1-  0.2-    071203 291  1.0-  0.4+    071226 H55  0.1-  0.1+
    071118 G96  0.0   0.1+    071203 291  0.6-  0.0     071228 291  0.2-  0.4+
    071118 G96  0.0   0.2+    071204 291  0.9-  0.3+    071228 291  0.4-  0.5+
    071119 G96  0.1+  0.1+    071204 291  0.7-  0.1+    071228 291  0.5-  0.5+
    071119 G96  0.2+  0.1-    071204 291  1.5-  0.2-    080111 691  0.7+  1.0-
    071119 G96  0.2+  0.1-    071204 691  0.1+  0.1-    080111 691  0.8-  0.5-
    071119 G96  0.3-  0.3-    071204 691  0.1-  0.1-    080111 691  0.0   0.2-
    071119 701  0.2-  0.2+    071204 691  0.0   0.1-    080125 H55  0.9-  0.1+
    071119 701  0.3+  0.0     071205 291  0.9-  0.3+    080125 H55  0.7+  0.8+
    071119 689  0.7+  0.1-    071205 291  1.1-  0.3+    080125 H55  0.6+  0.9-
    071119 689  0.5+  0.2+    071205 291  0.7-  0.6+    121214 568  0.1+  0.0
    071119 689  0.4+  0.0     071212 J95  0.4+  0.1-    121214 568  0.1-  0.0
    071120 G96  0.1+  0.4-    071212 J95  0.6+  0.2+    121214 568  0.0   0.1+
    071120 G96  0.4+  0.2-    071212 J95  0.9+  0.1-    130112 568  0.0   0.0
    071120 G96  0.2+  0.0     071217 H45  0.4+  0.2-    130112 568  0.0   0.0
    071120 G96  0.1+  0.1+    071217 H45  1.3+  0.2-
    
    Ephemeris:
    2007 WY3                 a,e,i = 2.79, 0.77, 12                  q = 0.6475
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 12 22    09 00 06.1 +12 44 43   2.2438  3.0333   136.4    12.9    23.1
    ...
    2013 01 06    08 44 11.0 +13 09 23   2.2192  3.1395   155.3     7.5    23.0
    ...
    2013 01 14    08 34 26.2 +13 28 53   2.2330  3.1944   165.4     4.5    22.9
    ...
    2013 01 20    08 26 56.8 +13 45 05   2.2572  3.2348   172.2     2.4    22.8
    2013 01 21    08 25 42.1 +13 47 51   2.2624  3.2415   173.1     2.1    22.8
    2013 01 22    08 24 27.7 +13 50 38   2.2679  3.2481   173.8     1.9    22.8
    ...
    2013 01 28    08 17 09.3 +14 07 23   2.3083  3.2877   172.8     2.2    22.9
    ...
    2013 02 05    08 08 01.9 +14 29 12   2.3808  3.3393   163.9     4.7    23.1
    ...
    2013 02 20    07 54 03.9 +15 05 08   2.5698  3.4333   145.8     9.3    23.5
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-B65
    

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