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Minor Planet Center

MPEC 2009-W85 : 2009 WS52

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M.P.E.C. 2009-W85                                Issued 2009 Nov. 23, 20:55 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 WS52

Observations:
     K09W52S* C2009 11 23.31973 04 07 56.60 +14 44 24.2          19.1 V EW085G96
     K09W52S  C2009 11 23.33359 04 07 58.08 +14 40 45.0          19.2 V EW085G96
     K09W52S  C2009 11 23.34053 04 07 58.76 +14 38 56.3          19.4 V EW085G96
     K09W52S  C2009 11 23.38587 04 08 03.66 +14 26 56.8          19.2 V EW085G96
     K09W52S  C2009 11 23.38621 04 08 03.73 +14 26 51.6          19.1 V EW085G96
     K09W52S  C2009 11 23.38656 04 08 03.73 +14 26 46.1          19.0 V EW085G96
     K09W52S  C2009 11 23.38690 04 08 03.76 +14 26 40.9          19.0 V EW085G96
     K09W52S  C2009 11 23.44985 04 08 10.79 +14 10 06.7          19.6 R EW085926
     K09W52S  C2009 11 23.45162 04 08 10.99 +14 09 38.7          19.6 R EW085926
     K09W52S  C2009 11 23.45340 04 08 11.19 +14 09 10.7          19.6 R EW085926

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 R. E. Hill.  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.

Orbital elements:
2009 WS52                                                Earth MOID = 0.0989 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  30.71195              (2000.0)            P               Q
n   0.46067982     Peri.  155.62817     +0.77545348     -0.50008432
a   1.6603638      Node   240.00085     +0.48118936     +0.86333431
e   0.3591462      Incl.   26.42969     +0.40881378     -0.06759841
P   2.14           H   23.6           G   0.15           U   9
Residuals in seconds of arc
091123 G96  0.1+  0.6-    091123 G96  0.5+  0.2-    091123 926  0.0   0.0
091123 G96  0.3+  0.1-    091123 G96  0.1-  0.1-    091123 926  0.1-  0.1+
091123 G96  0.5-  1.1+    091123 G96  0.2-  0.1+
091123 G96  0.0   0.3-    091123 926  0.1+  0.0

Ephemeris:
2009 WS52                a,e,i = 1.66, 0.36, 26                  q = 1.0641
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 11 15    03 35.94   +54 13.3    0.106    1.077   144.1    32.6    20.3
2009 11 20    03 58.88   +30 29.8    0.0993   1.086   168.5    10.5    19.4
2009 11 25    04 11.46   +07 45.5    0.112    1.096   166.9    11.8    19.8
2009 11 30    04 19.21   -08 04.5    0.139    1.109   150.3    26.1    20.7
2009 12 05    04 24.47   -17 47.5    0.174    1.124   139.5    34.7    21.5
2009 12 10    04 28.40   -23 40.2    0.214    1.140   132.5    39.6    22.1
2009 12 15    04 31.66   -27 14.2    0.255    1.158   127.6    42.3    22.6

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-W85

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