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IAU Minor Planet Center

Minor Planet Center

MPEC 2009-U117: 2009 UU87

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M.P.E.C. 2009-U117                               Issued 2009 Oct. 27, 20:06 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 UU87

Observations:
     K09U87U* C2009 10 26.41949 03 22 10.92 +29 06 47.7          20.8 V EU117G96
     K09U87U  C2009 10 26.42699 03 22 17.04 +29 04 58.1          20.2 V EU117G96
     K09U87U  C2009 10 26.43455 03 22 23.16 +29 03 09.6          19.9 V EU117G96
     K09U87U  C2009 10 26.44207 03 22 29.28 +29 01 19.4          20.8 V EU117G96
     K09U87U  C2009 10 26.48090 03 23 01.17 +28 51 51.2          21.4 V EU117G96
     K09U87U  C2009 10 26.48146 03 23 01.60 +28 51 43.7          20.5 V EU117G96
     K09U87U  C2009 10 26.48201 03 23 02.04 +28 51 35.4          20.6 V EU117G96
     K09U87U  C2009 10 26.48256 03 23 02.50 +28 51 27.2          20.3 V EU117G96
     K09U87U  C2009 10 27.32719 03 35 24.10 +25 17 42.1          20.9 V EU117G96
     K09U87U  C2009 10 27.32775 03 35 24.54 +25 17 33.5          21.0 V EU117G96
     K09U87U  C2009 10 27.32832 03 35 25.04 +25 17 24.5          20.4 V EU117G96
     K09U87U  C2009 10 27.32891 03 35 25.51 +25 17 14.6          20.4 V EU117G96
     K09U87U  C2009 10 27.36593 03 35 53.75 +25 07 06.5          20.4 R EU117H36
     K09U87U  C2009 10 27.37323 03 35 59.72 +25 05 07.6          20.1 R EU117H36
     K09U87U  C2009 10 27.38057 03 36 05.70 +25 03 10.2          20.6 R EU117H36
     K09U87U  C2009 10 27.38791 03 36 11.97 +25 01 10.6          20.3 R EU117H36
     K09U87U  C2009 10 27.42731 03 36 45.70 +24 50 47.5          19.9 R EU117H01
     K09U87U  C2009 10 27.43463 03 36 51.72 +24 48 48.4          19.8 R EU117H01
     K09U87U  C2009 10 27.44036 03 36 56.48 +24 47 15.0          19.7 R EU117H01
     K09U87U  C2009 10 27.49895 03 37 45.50 +24 31 21.6          21.2 R EU117926
     K09U87U  C2009 10 27.50237 03 37 48.32 +24 30 24.0          20.1 R EU117926
     K09U87U  C2009 10 27.50578 03 37 51.19 +24 29 29.4          20.8 R EU117926

Observer details:
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  Measurer
    P. R. Holvorcem.  0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. Boattini.  Measurers E. C. Beshore,
    A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2009 UU87                                                Earth MOID = 0.0508 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  19.54070              (2000.0)            P               Q
n   0.45458512     Peri.  207.44581     +0.45345800     -0.87439548
a   1.6751714      Node   216.34750     +0.86180708     +0.47956035
e   0.3947882      Incl.   16.93611     +0.22729805     -0.07385403
P   2.17           H   25.5           G   0.15           U   8
Residuals in seconds of arc
091026 G96  0.1-  0.2+    091027 G96  0.2-  0.1-    091027 H01  0.4+  0.1+
091026 G96  0.3+  0.7-    091027 G96  0.5-  0.2+    091027 H01  0.0   0.2+
091026 G96  0.1-  0.5+    091027 G96  0.0   0.3+    091027 H01  0.3+  0.2+
091026 G96  0.2-  0.3-    091027 G96  0.2-  0.2-    091027 926  0.0   0.0
091026 G96  0.4+  0.4-    091027 H36  0.7+  0.5+    091027 926  0.7-  1.2-
091026 G96  0.0   0.4+    091027 H36  0.1+  0.7-    091027 926  0.6-  0.5+
091026 G96  0.2-  0.2+    091027 H36  1.0-  0.5+
091026 G96  0.1-  0.0     091027 H36  1.8+  0.4-

Ephemeris:
2009 UU87                a,e,i = 1.68, 0.39, 17                  q = 1.0138
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 10 26    03 16.23   +30 44.7    0.0655   1.054   154.8    23.7    20.8
2009 10 28    03 45.18   +22 13.1    0.0598   1.048   155.4    23.2    20.6
2009 10 30    04 14.32   +11 58.3    0.0566   1.043   151.4    27.2    20.6
2009 11 01    04 42.63   +00 55.5    0.0564   1.038   143.4    34.8    20.8
2009 11 03    05 09.22   -09 37.9    0.0591   1.034   134.0    43.6    21.1
2009 11 05    05 33.52   -18 43.5    0.0643   1.030   125.3    51.8    21.5

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-U117

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