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  • MPEC 2010-V74 : 2008 YU32

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    M.P.E.C. 2010-V74                                Issued 2010 Nov. 7, 05:12 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.org/iau/mpc.html  ISSN 1523-6714
    
                                       2008 YU32
    
                               Revision to MPEC 2009-A07
    
    Additional Observations:
         K08Y32U  C2010 11 06.44836 07 56 18.58 +21 40 50.3          18.6   EV074704
         K08Y32U  C2010 11 06.46109 07 56 07.09 +21 41 01.1          18.4   EV074704
         K08Y32U  C2010 11 06.47377 07 55 55.63 +21 41 12.0          18.3   EV074704
         K08Y32U  C2010 11 06.48647 07 55 44.16 +21 41 23.3          18.3   EV074704
         K08Y32U  C2010 11 06.49914 07 55 32.72 +21 41 34.0          18.2   EV074704
         K08Y32U  C2010 11 07.07238 07 47 13.91 +21 48 32.0          18.7 R EV074114
         K08Y32U  C2010 11 07.07353 07 47 12.91 +21 48 32.9          18.6 R EV074114
         K08Y32U  C2010 11 07.07465 07 47 11.92 +21 48 33.4          18.6 R EV074114
         K08Y32U  C2010 11 07.07578 07 47 10.90 +21 48 35.0          18.7 R EV074114
         K08Y32U  C2010 11 07.07691 07 47 09.87 +21 48 35.4          18.4 R EV074114
         K08Y32U KC2010 11 07.16347 07 45 55.02 +21 49 26.0          17.9 R EV074118
         K08Y32U KC2010 11 07.16479 07 45 53.87 +21 49 27.2          18.1 R EV074118
         K08Y32U KC2010 11 07.16840 07 45 50.64 +21 49 28.1          17.8 R EV074118
    
    Observer details:
    114 Engelhardt Observatory, Zelenchukskaya Station.  Observers T. Kryachko,
        B. Satovski.  Measurer T. Kryachko.  0.3-m f/7.7 reflector + CCD.
    118 Modra.  Observers S. Gajdos, J. Vilagi.  Measurer S. Gajdos.  0.6-m f/5.5
        reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
        R. Brungard, J. Paige, P. Festler.  1.0-m f/2.15 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
    101106 704 0.82- 0.21-    101107 118 0.52- 0.24-    MPO152532   -0.62 day
    
    Orbital elements:
    2008 YU32                                           PHA, Earth MOID = 0.0067 AU
    Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
    M 333.32193              (2000.0)            P               Q
    n   0.51712928     Peri.   83.68723     +0.72478917     +0.68733894
    a   1.5372221      Node   232.88071     -0.65328808     +0.66377459
    e   0.5956294      Incl.    3.40724     -0.21885003     +0.29490420
    P   1.91           H   19.9           G   0.15           U   4
    Residuals in seconds of arc
    081231 G96  0.5-  0.4-    090103 H01  0.1-  0.1+    090120 291  1.1-  0.5+
    081231 G96  0.2+  0.4-    090103 H01  0.2+  0.0     090120 291  0.2-  0.9+
    081231 G96  0.0   0.4-    090103 H01  0.1-  0.1+    101106 704  0.3-  0.5+
    081231 G96  0.0   1.0-    090113 H01  0.3+  0.2-    101106 704  0.1-  0.1+
    081231 G96  0.4+  0.2-    090113 H01  0.5+  0.3-    101106 704  0.0   0.1-
    081231 H01  0.2-  0.1+    090113 H01  0.2+  0.0     101106 704  0.1+  0.3+
    081231 H01  0.1-  0.2+    090114 H01  0.4+  0.1-    101106 704  0.2+  0.3+
    081231 G96  0.4-  0.2-    090114 H01  0.3+  0.1-    101107 114  0.1+  0.1-
    081231 H01  0.1-  0.1+    090114 H01  0.4+  0.1-    101107 114  0.3+  0.0
    081231 H01  0.3-  0.2+    090115 291  0.8-  0.4-    101107 114  0.3+  0.2-
    090101 291  0.0   0.4-    090115 291  0.2+  0.3-    101107 114  0.0   0.6+
    090101 291  0.4-  0.1+    090115 291  0.5-  0.5+    101107 114  0.4-  0.3+
    090101 291  0.6+  0.8+    090116 291  0.3+  0.3+    101107 118  0.1+  0.3-
    090102 291  0.0   0.3-    090116 291  0.5+  0.5-    101107 118  0.2+  0.1+
    090102 291  0.4-  0.3-    090116 291  1.1+  1.0-    101107 118  0.6-  1.3-
    090102 291  0.4+  0.5+    090120 291  0.0   0.3+
    
    Ephemeris:
    2008 YU32                a,e,i = 1.54, 0.60, 3                   q = 0.6216
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 10 31    09 36.12   +18 14.2    0.127    0.972    77.0    95.7    18.8
    2010 11 10    07 07.58   +22 02.1    0.147    1.075   121.7    51.6    17.8
    2010 11 20    05 31.29   +20 14.7    0.205    1.176   154.0    21.6    17.9
    2010 11 30    04 40.05   +18 06.6    0.288    1.273   174.7     4.1    18.1
    2010 12 10    04 13.13   +16 47.9    0.390    1.366   166.1    10.0    19.2
    2010 12 20    04 00.04   +16 12.7    0.508    1.456   153.1    17.8    20.2
    2010 12 30    03 55.45   +16 07.6    0.642    1.540   141.9    23.2    21.0
    2011 01 09    03 56.50   +16 22.2    0.788    1.620   132.1    26.8    21.6
    
    Gareth V. Williams           (C) Copyright 2010 MPC           M.P.E.C. 2010-V74
    

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