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Minor Planet Center

MPEC 2009-W76 : 2009 WX51

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M.P.E.C. 2009-W76                                Issued 2009 Nov. 23, 18:16 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 WX51

Observations:
     K09W51X* C2009 11 22.24934 04 25 19.84 +40 27 43.2          18.4 V EW076703
     K09W51X  C2009 11 22.25477 04 25 19.41 +40 27 58.6          18.6 V EW076703
     K09W51X  C2009 11 22.26026 04 25 19.05 +40 28 13.0          18.3 V EW076703
     K09W51X  C2009 11 22.28228 04 25 17.14 +40 29 13.6          18.8 R EW076H01
     K09W51X  C2009 11 22.28257 04 25 17.24 +40 29 14.8          19.7 R EW076651
     K09W51X  C2009 11 22.28478 04 25 17.07 +40 29 21.0          19.8 R EW076651
     K09W51X  C2009 11 22.28593 04 25 16.84 +40 29 23.4          18.9 R EW076H01
     K09W51X  C2009 11 22.28805 04 25 16.79 +40 29 29.9          19.7 R EW076651
     K09W51X  C2009 11 22.28904 04 25 16.58 +40 29 31.9          18.8 R EW076H01
     K09W51X  C2009 11 22.29363 04 25 16.20 +40 29 44.3          18.9 R EW076H01
     K09W51X  C2009 11 22.32185 04 25 13.00 +40 30 54.5          18.8 R EW076932
     K09W51X  C2009 11 22.35999 04 25 10.14 +40 32 38.6                 EW076H21
     K09W51X  C2009 11 22.36522 04 25 09.80 +40 32 52.5          20.0 V EW076H21
     K09W51X  C2009 11 22.36701 04 25 09.69 +40 32 57.3          20.1 V EW076H21
     K09W51X  C2009 11 22.37356 04 25 09.20 +40 33 16.2          19.3 R EW076H36
     K09W51X  C2009 11 22.38281 04 25 08.54 +40 33 40.2          19.2 R EW076H36
     K09W51X  C2009 11 22.38589 04 25 08.29 +40 33 48.6          19.3 R EW076H36
     K09W51X  C2009 11 23.27903 04 24 01.90 +41 15 01.9          18.9 R EW076H01
     K09W51X  C2009 11 23.28311 04 24 01.53 +41 15 13.4          19.0 R EW076H01
     K09W51X  C2009 11 23.28775 04 24 01.11 +41 15 26.5          18.9 R EW076H01
     K09W51X  C2009 11 23.29172 04 24 00.75 +41 15 37.8          19.0 R EW076H01
     K09W51X  C2009 11 23.54418 04 23 41.24 +41 27 31.5          18.5 V EW076900
     K09W51X  C2009 11 23.55478 04 23 40.27 +41 28 02.5          18.3 V EW076900

Observer details:
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian reflector + CCD.
703 Catalina Sky 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.  0.68-m Schmidt + CCD.
900 Moriyama.  Observer Y. Ikari.  Measurer Y. ikari.  0.26-m f/7.0 reflector
    + CCD.
932 John J. McCarthy Obs., New Milford.  Observer S. Riley.  Measurer D. Vill.
    0.4-m f/6.5 Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurer H. Devore.  0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2009 WX51                                           PHA, Earth MOID = 0.0156 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 354.89727              (2000.0)            P               Q
n   0.18618189     Peri.  117.02463     -0.85364522     -0.51283392
a   3.0374637      Node    32.35891     +0.39691489     -0.75369879
e   0.7340858      Incl.    9.79526     +0.33726608     -0.41102251
P   5.29           H   20.0           G   0.15           U   9
Residuals in seconds of arc
091122 703  1.1-  0.7-    091122 H01  0.3+  0.4+    091122 H36  0.1+  0.2-
091122 703  1.0-  0.2-    091122 H01  0.3+  0.4+    091123 H01  0.1+  0.1+
091122 703  0.1+  0.7-    091122 932  0.2+  0.1-    091123 H01  0.1+  0.0
091122 H01  0.3+  0.4+    091122 H21  0.8-  0.0     091123 H01  0.1+  0.0
091122 651  0.4+  0.1+    091122 H21  0.2+  0.0     091123 H01  0.1+  0.0
091122 651  0.6+  0.2+    091122 H21  0.5+  0.0     091123 900  0.2-  0.2-
091122 H01  0.3+  0.3+    091122 H36  0.9-  0.2+    091123 900  0.2-  0.1+
091122 651  0.5+  0.3+    091122 H36  0.1+  0.4-

Ephemeris:
2009 WX51                a,e,i = 3.04, 0.73, 10                  q = 0.8077
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 11 15    04 31.39   +35 48.4    0.449    1.412   156.7    16.1    19.9
2009 11 25    04 21.56   +42 39.0    0.338    1.306   157.7    16.7    19.1
2009 12 05    03 55.10   +53 27.1    0.246    1.200   147.4    26.2    18.5
2009 12 15    02 16.10   +69 46.3    0.180    1.099   125.6    46.8    18.3
2009 12 25    19 56.54   +68 09.4    0.150    1.004    93.5    77.9    18.6
2010 01 04    18 03.74   +39 28.1    0.168    0.921    63.5   107.1    19.9

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-W76

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