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  • MPEC 2010-A11 : 2009 FT

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    M.P.E.C. 2010-A11                                Issued 2010 Jan. 3, 19:59 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 FT
    
                               Revision to MPEC 2009-F27
    
    Additional Observations:
         K09F00T 2C2009 11 01.58891008 53 26.131+20 15 29.87         22.4 R EA011568
         K09F00T 2C2009 11 01.59272808 53 26.226+20 15 30.77         22.1 R EA011568
         K09F00T 2C2009 11 01.59646108 53 26.323+20 15 31.56         22.4 R EA011568
         K09F00T 2C2009 12 09.48255208 43 24.067+24 43 31.99         21.9 R EA011568
         K09F00T 2C2009 12 09.48571808 43 23.840+24 43 34.09         21.8 R EA011568
    
    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
    091101 568  1.7-  1.7-    091209 568  6.8-  3.2-    MPO157522   -0.0029 day
    
    Orbital elements:
    2009 FT                                                  Earth MOID = 0.1225 AU
    Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
    M 102.91333              (2000.0)            P               Q
    n   0.50032131     Peri.  220.46049     +0.63886771     +0.72690123
    a   1.5714602      Node    90.82403     -0.62467764     +0.68128046
    e   0.7239497      Incl.   14.59258     -0.44902773     +0.08643799
    P   1.97           H   18.9           G   0.15           U   3
    Residuals in seconds of arc
    090317 703  0.6-  0.1+    090320 A17  0.1-  0.3-    090412 B03  0.3+  0.4+
    090317 703  0.5-  0.3+    090322 H55  0.0   0.1+    090412 B03  0.3+  0.4+
    090317 703  1.5-  0.2+    090322 H55  0.1+  0.2+    090412 B03  0.2+  1.2-
    090317 703  0.1-  0.5+    090322 H55  0.2-  0.2+    090412 B03  0.3+  0.8-
    090317 703  0.4-  0.5-    090324 703  0.5-  0.5-    090412 B03  0.4+  0.2-
    090317 703  0.1-  0.2-    090324 703  1.5-  0.3+    090412 B03  0.0   0.2-
    090317 703  0.6-  0.5+    090324 703  0.0   0.7-    090414 204  0.1+  0.1-
    090317 703  0.5+  0.5+    090324 703  0.7-  0.6+    090414 204  0.2+  0.2+
    090317 A13  0.1-  0.9+    090326 560  0.6+  0.5+    090414 204  0.2+  0.5+
    090317 B18  0.9+  0.5-    090326 560  0.4+  0.3+    090415 950  0.4-  0.2+
    090317 A74  0.0   0.3+    090326 560  0.7+  0.0     090415 950  0.7-  0.1+
    090317 A74  0.1+  0.2+    090330 A17  0.0   0.1+    090415 950  0.3-  0.0
    090317 A13  0.5-  0.7+    090330 A17  0.3+  0.2-    090415 950  0.5-  0.3+
    090317 A74  0.1+  0.5+    090330 A17  0.2+  0.2-    090415 950  0.0   0.2-
    090317 B18  0.1-  1.0-    090403 704  0.2-  0.1-    090415 950  0.1-  0.1+
    090318 B18  0.7+  0.9-    090403 704  0.6+  0.3-    090422 H55  0.2+  0.2+
    090318 B04  0.1+  0.1+    090403 704  0.7+  1.2+    090422 H55  0.1+  0.1+
    090318 B04  0.1-  0.2+    090403 704  0.1+  0.1+    090422 H55  0.1-  0.0
    090318 B04  0.2-  0.2+    090403 704  0.4+  0.8+    091101 568  0.1+  0.1-
    090318 291  0.0   0.1+    090403 198  0.1+  0.5+    091101 568  0.0   0.0
    090318 291  0.2-  1.1-    090403 198  0.1+  0.0     091101 568  0.0   0.0
    090318 291  0.2-  0.2+    090403 198  0.2+  0.1+    091209 568  0.1+  0.0
    090320 A17  0.2+  0.1-    090403 198  0.5+  0.2-    091209 568  0.1-  0.1+
    090320 A17  0.2-  0.2-    090403 198  0.4+  0.6-
    
    Ephemeris:
    2009 FT                  a,e,i = 1.57, 0.72, 15                  q = 0.4338
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 01 04    08 01.51   +29 24.1    1.388    2.350   164.3     6.5    22.0
    2010 01 14    07 40.72   +30 50.6    1.421    2.396   170.5     3.9    21.9
    2010 01 24    07 20.85   +31 49.1    1.487    2.439   161.1     7.5    22.2
    2010 02 03    07 04.03   +32 19.9    1.585    2.479   148.4    12.0    22.6
    2010 02 13    06 51.47   +32 29.3    1.709    2.515   136.1    15.8    22.9
    
    Gareth V. Williams           (C) Copyright 2010 MPC           M.P.E.C. 2010-A11
    

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