• MPC Preparation (Info)

    • MPEC 2009-W105: 2009 WG104

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    M.P.E.C. 2009-W105                               Issued 2009 Nov. 25, 00:05 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 WG104

Observations:
     K09WA4G* C2009 11 24.19288 01 58 50.86 +40 26 21.0          19.5   EW105704
     K09WA4G  C2009 11 24.20520 01 58 52.28 +40 25 40.6          19.6   EW105704
     K09WA4G  C2009 11 24.21750 01 58 53.67 +40 25 01.3          19.5   EW105704
     K09WA4G  C2009 11 24.22994 01 58 55.13 +40 24 22.0          19.6   EW105704
     K09WA4G  C2009 11 24.24233 01 58 56.50 +40 23 40.7          19.3   EW105704
     K09WA4G  C2009 11 24.92731 02 00 21.25 +39 46 57.2          19.6 R EW105B18
     K09WA4G  C2009 11 24.92940 02 00 21.46 +39 46 50.8          19.7 R EW105B18
     K09WA4G  C2009 11 24.93160 02 00 21.68 +39 46 44.1          19.6 R EW105B18
     K09WA4G  C2009 11 24.93787 02 00 22.45 +39 46 23.4          19.3 R EW105B18

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.
B18 Terskol.  Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov.
    Measurer M. Andreev.  0.6-m f/12.8 Cassegrain + CCD.

Orbital elements:
2009 WG104                                               Earth MOID = 0.2956 AU
Epoch 2009 Nov. 25.0 TT = JDT 2455160.5                 MPC
M  31.11525              (2000.0)            P               Q
n   0.43234420     Peri.   91.61552     +0.95731262     +0.10104373
a   1.7321399      Node   262.64640     -0.19584542     +0.91582127
e   0.3539196      Incl.   15.84670     +0.21259612     +0.38866640
P   2.28           H   20.0           G   0.15
From 9 observations 2009 Nov. 24.  E-assumed.

Ephemeris:
2009 WG104               a,e,i = 1.73, 0.35, 16                  q = 1.1191
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 11 25    02 00.52   +39 43.2    0.357    1.303   147.7    23.8    19.5
2009 12 05    02 19.68   +31 41.1    0.413    1.348   146.4    23.9    19.8
2009 12 15    02 36.94   +25 30.6    0.487    1.396   140.8    26.5    20.4
2009 12 25    02 53.52   +21 07.6    0.577    1.444   133.8    29.4    20.9
2010 01 04    03 10.01   +18 11.4    0.681    1.493   126.7    31.9    21.4
2010 01 14    03 26.66   +16 18.9    0.796    1.543   119.8    33.6    21.8

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-W105

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