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Minor Planet Center

MPEC 2009-X55 : 2009 XT6

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M.P.E.C. 2009-X55                                Issued 2009 Dec. 14, 22:51 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 XT6

Observations:
     K09X06T* C2009 12 13.40560 09 41 21.97 +11 10 51.6          18.6   EX055704
     K09X06T  C2009 12 13.41850 09 41 10.50 +11 11 25.8          19.0   EX055704
     K09X06T  C2009 12 13.43137 09 40 59.11 +11 11 59.6          19.1   EX055704
     K09X06T  C2009 12 13.44427 09 40 47.67 +11 12 32.6          19.0   EX055704
     K09X06T  C2009 12 13.45714 09 40 36.25 +11 13 06.0          19.1   EX055704
     K09X06T  C2009 12 14.40405 09 27 13.89 +11 52 01.0          18.4   EX055704
     K09X06T  C2009 12 14.41694 09 27 02.98 +11 52 31.7          18.6   EX055704
     K09X06T  C2009 12 14.42978 09 26 52.13 +11 53 01.6          18.6   EX055704
     K09X06T  C2009 12 14.45550 09 26 30.41 +11 54 02.1          18.8   EX055704

Observer details:
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.

Orbital elements:
2009 XT6                                            PHA, Earth MOID = 0.0030 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  22.89226              (2000.0)            P               Q
n   0.31527129     Peri.   80.70466     +0.96593233     +0.23847688
a   2.1380266      Node   265.45025     -0.25876790     +0.88440710
e   0.7656662      Incl.    5.78720     -0.00372982     +0.40118931
P   3.13           H   19.7           G   0.15           U   9
Residuals in seconds of arc
091213 704  0.2+  0.0     091213 704  0.1+  0.3-    091214 704  0.1-  0.1+
091213 704  0.2-  0.3+    091213 704  0.1-  0.4-    091214 704  0.0   0.1-
091213 704  0.1+  0.4+    091214 704  0.0   0.3-    091214 704  0.1+  0.4+

Ephemeris:
2009 XT6                 a,e,i = 2.14, 0.77, 6                   q = 0.5010
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 12 15    09 19.12   +12 14.7    0.176    1.094   124.6    47.8    17.9
2009 12 20    08 21.32   +14 29.0    0.212    1.161   143.6    30.2    18.0
2009 12 25    07 39.93   +15 37.1    0.258    1.227   158.3    17.2    18.1
2009 12 30    07 10.79   +16 12.3    0.312    1.292   169.3     8.2    18.3
2010 01 04    06 50.20   +16 32.6    0.373    1.355   173.5     4.7    18.6
2010 01 09    06 35.60   +16 46.4    0.439    1.416   168.2     8.1    19.2
2010 01 14    06 25.32   +16 57.6    0.511    1.477   161.4    12.2    19.8
2010 01 19    06 18.28   +17 07.7    0.587    1.536   155.0    15.7    20.3
2010 01 24    06 13.73   +17 17.4    0.667    1.593   149.0    18.5    20.8
2010 01 29    06 11.12   +17 26.9    0.751    1.650   143.4    20.8    21.2
2010 02 03    06 10.06   +17 36.1    0.839    1.705   138.2    22.7    21.6
2010 02 08    06 10.25   +17 45.0    0.930    1.759   133.2    24.1    21.9
2010 02 13    06 11.47   +17 53.5    1.024    1.811   128.5    25.2    22.2

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-X55

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