• MPC Preparation (Info)

  • MPEC 2009-W56 : 2009 WN8

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    M.P.E.C. 2009-W56                                Issued 2009 Nov. 20, 18:48 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 WN8
    
    Observations:
         K09W08N* C2009 11 19.31031 06 18 28.65 +16 30 23.2          19.0   EW056704
         K09W08N  C2009 11 19.32273 06 17 54.14 +16 35 56.3          19.8   EW056704
         K09W08N  C2009 11 19.33507 06 17 19.66 +16 41 28.0          18.9   EW056704
         K09W08N  C2009 11 19.34744 06 16 45.14 +16 46 58.7          19.0   EW056704
         K09W08N  C2009 11 19.35981 06 16 10.63 +16 52 28.0          19.1   EW056704
         K09W08N  C2009 11 20.39958 05 31 02.91 +23 38 52.9                 EW056G96
         K09W08N  C2009 11 20.40572 05 30 46.96 +23 40 55.8                 EW056G96
         K09W08N  C2009 11 20.41188 05 30 31.01 +23 42 58.5          18.3 V EW056G96
         K09W08N  C2009 11 20.41799 05 30 15.11 +23 45 00.9                 EW056G96
    
    Observer details:
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, D. Torres,
        R. Kracke, G. Spitz, M. Blythe.  Measurer J. Stuart.  1.0-m f/2.15
        reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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 WN8                                                 Earth MOID = 0.0150 AU
    Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
    M 162.23773              (2000.0)            P               Q
    n   1.26137546     Peri.  220.72993     +0.15066357     +0.97011015
    a   0.8483462      Node    58.74690     -0.83941910     +0.22718075
    e   0.3599402      Incl.   12.85705     -0.52218394     -0.08529484
    P   0.78           H   24.6           G   0.15           U   9
    Residuals in seconds of arc
    091119 704  0.2-  0.8+    091119 704  0.2-  0.1+    091120 G96  0.0   0.1+
    091119 704  0.9+  0.5-    091119 704  0.2+  0.0     091120 G96  0.6+  0.4-
    091119 704  0.2-  0.1+    091120 G96  0.2-  0.4+    091120 G96  0.1-  0.2+
    
    Ephemeris:
    2009 WN8                 a,e,i = 0.85, 0.36, 13                  q = 0.5430
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 11 15    09 06.01   -14 43.2    0.0347   0.989    88.8    89.2    20.4
    2009 11 17    07 58.36   -02 06.0    0.0285   0.999   110.6    67.8    19.3
    2009 11 19    06 32.27   +14 10.0    0.0275   1.009   137.9    41.0    18.4
    2009 11 21    05 07.09   +26 42.3    0.0324   1.018   160.1    19.2    18.2
    2009 11 23    04 01.38   +33 01.8    0.0410   1.028   167.2    12.3    18.5
    2009 11 25    03 16.45   +35 44.9    0.0517   1.036   161.9    17.2    19.2
    2009 11 27    02 46.26   +36 53.5    0.0634   1.045   155.7    22.8    19.8
    2009 11 29    02 25.52   +37 21.7    0.0758   1.053   150.7    27.3    20.3
    2009 12 01    02 10.85   +37 32.1    0.0885   1.061   146.5    30.9    20.8
    2009 12 03    02 00.23   +37 34.1    0.101    1.069   143.0    33.7    21.2
    2009 12 05    01 52.41   +37 32.2    0.115    1.076   139.9    36.1    21.5
    2009 12 07    01 46.61   +37 28.6    0.128    1.083   137.2    38.2    21.8
    2009 12 09    01 42.32   +37 24.3    0.142    1.089   134.8    39.9    22.1
    2009 12 11    01 39.19   +37 19.9    0.155    1.096   132.5    41.5    22.4
    2009 12 13    01 37.00   +37 15.8    0.169    1.102   130.4    42.9    22.6
    2009 12 15    01 35.56   +37 12.1    0.183    1.107   128.4    44.2    22.8
    
    Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-W56
    

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