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  • MPEC 2010-A25 : 2009 BE77

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    M.P.E.C. 2010-A25                                Issued 2010 Jan. 7, 16:01 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://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2009 BE77
    
                               Revision to MPEC 2009-B93
    
    Additional Observations:
         K09B77E 2C2009 11 11.37025900 15 27.226+03 16 27.50         22.1 R EA025568
         K09B77E 2C2009 11 11.37447600 15 27.098+03 16 25.70         22.4 R EA025568
         K09B77E 2C2009 11 11.37860500 15 26.976+03 16 23.94         22.2 R EA025568
         K09B77E 2C2009 12 09.25743600 12 36.130+01 25 54.24         22.6 R EA025568
         K09B77E 2C2009 12 09.26195500 12 36.184+01 25 54.01         23.1 R EA025568
         K09B77E 2C2009 12 09.26765500 12 36.251+01 25 53.55         23.0 R EA025568
    
    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, reference and Delta-T
    091111 568 30.2-  3.7-    091209 568 24.9-  1.9-    MPO154238   -0.0014 day
    
    Orbital elements:
    2009 BE77                                                Earth MOID = 0.2815 AU
    Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
    M  66.25453              (2000.0)            P               Q
    n   0.24459777     Peri.   26.61023     -0.67954427     +0.72162759
    a   2.5322178      Node   201.44115     -0.72091596     -0.69023949
    e   0.8224542      Incl.   21.19935     -0.13601385     +0.05313260
    P   4.03           H   18.1           G   0.15           U   3
    Residuals in seconds of arc
    090130 E12  0.6+  0.7-    090131 448  0.8-  0.5+    090209 H55  0.1-  0.2+
    090130 E12  0.6+  0.3+    090131 448  0.3-  0.1-    090209 H55  0.5-  0.4-
    090130 E12  0.6+  0.0     090131 E12  0.1+  0.0     090217 H55  0.4-  0.1+
    090130 E12  0.1+  0.0     090131 E12  0.3+  0.5-    090217 H55  0.0   0.3-
    090130 E12  0.2+  0.2-    090131 474  0.6-  0.3+    090217 H55  0.3+  0.3-
    090130 493  0.1+  0.3-    090131 474  0.6+  0.4+    090219 E12  0.2+  0.1-
    090130 493  0.2+  0.1-    090131 474  1.1-  0.4+    090219 E12  0.3+  0.2-
    090130 493  0.0   0.1-    090131 474  0.5+  0.1+    090220 H55  0.3-  0.2+
    090130 204  0.0   0.2-    090131 474  0.1+  0.1+    090220 H55  0.0   0.2-
    090131 H55  0.0   0.3+    090131 E12  0.3+  0.1-    090220 H55  0.1+  0.1-
    090131 H55  0.1+  0.2+    090131 E12  0.2+  0.3-    090220 H55  0.1-  0.2-
    090131 H55  0.0   0.3+    090201 E12  0.0   0.1-    090227 E12  0.2+  0.1+
    090131 291  0.0   0.1-    090201 E12  0.1+  0.1-    090227 E12  0.4+  0.3+
    090131 291  0.1+  0.3+    090203 H55  0.2-  0.9+    091111 568  0.0   0.0
    090131 291  0.1-  0.2+    090203 H55  1.1-  1.4-    091111 568  0.0   0.0
    090131 673  0.4+  0.4-    090204 448  0.6-  2.0-    091111 568  0.1-  0.0
    090131 673  0.2+  0.0     090205 H55  0.2-  0.1+    091209 568  0.0   0.0
    090131 673  0.4+  0.0     090205 H55  0.1-  0.6+    091209 568  0.0   0.1+
    090131 673  0.2+  0.4+    090205 H55  0.5-  0.2+    091209 568  0.1+  0.1+
    090131 448  0.3-  0.1+    090209 H55  0.2-  0.3-
    
    Ephemeris:
    2009 BE77                a,e,i = 2.53, 0.82, 21                  q = 0.4496
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 01 04    00 23.33   +01 40.6    3.235    3.259    82.7    17.4    24.1
    2010 01 14    00 29.75   +02 05.5    3.454    3.322    74.1    16.5    24.3
    2010 01 24    00 37.07   +02 38.0    3.666    3.384    65.8    15.4    24.4
    2010 02 03    00 45.10   +03 16.0    3.867    3.444    57.8    14.0    24.5
    
    Gareth V. Williams           (C) Copyright 2010 MPC           M.P.E.C. 2010-A25
    

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