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  • MPEC 2011-W24 : 2011 WO4

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    M.P.E.C. 2011-W24                                Issued 2011 Nov. 19, 16:38 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2011 WO4
    
    Observations:
         K11W04O* C2011 11 17.12821 21 38 03.86 +23 41 07.2          19.0  cEW024704
         K11W04O  C2011 11 17.14087 21 38 06.10 +23 38 57.7          19.3  cEW024704
         K11W04O  C2011 11 17.15351 21 38 08.35 +23 36 49.1          19.3  cEW024704
         K11W04O  C2011 11 17.16653 21 38 10.67 +23 34 35.6          19.0  cEW024704
         K11W04O  C2011 11 17.17920 21 38 12.91 +23 32 26.0          18.9  cEW024704
         K11W04O HC2011 11 18.11817 21 41 07.10 +20 51 39.7                oEW024291
         K11W04O HC2011 11 18.11882 21 41 07.22 +20 51 33.1                oEW024291
         K11W04O HC2011 11 18.11947 21 41 07.34 +20 51 26.4                oEW024291
         K11W04O IC2011 11 18.14653321 41 11.81 +20 46 41.2          19.0 VrEW024H21
         K11W04O KC2011 11 18.15140621 41 12.65 +20 45 49.4          19.1 VrEW024H21
         K11W04O  C2011 11 18.15160 21 41 12.92 +20 45 51.7          18.6 RoEW024H01
         K11W04O  C2011 11 18.15831 21 41 14.11 +20 44 41.8          18.7 RoEW024H01
         K11W04O  C2011 11 18.16526 21 41 15.35 +20 43 29.5          18.7 RoEW024H01
         K11W04O  C2011 11 18.17269 21 41 16.67 +20 42 12.3          18.5 RoEW024H01
         K11W04O  C2011 11 18.20645 21 41 22.71 +20 36 22.6          19.4 RcEW024854
         K11W04O  C2011 11 18.21049 21 41 23.49 +20 35 40.8          18.9 RcEW024854
         K11W04O KC2011 11 18.80032 21 43 12.89 +18 53 16.3          19.8 VuEW024I93
         K11W04O KC2011 11 18.80599 21 43 13.84 +18 52 16.9          19.5 VuEW024I93
         K11W04O KC2011 11 18.81165 21 43 14.87 +18 51 17.6          19.3 VuEW024I93
         K11W04O KC2011 11 18.81822 21 43 16.08 +18 50 06.2                uEW024J95
         K11W04O KC2011 11 18.82200 21 43 16.79 +18 49 26.6                uEW024J95
         K11W04O KC2011 11 18.82497 21 43 17.31 +18 48 55.2          19.3 RuEW024J95
         K11W04O KC2011 11 18.85298 21 43 22.05 +18 44 03.3                tEW024204
         K11W04O KC2011 11 18.86137 21 43 23.56 +18 42 35.3          19.0 RtEW024204
         K11W04O KC2011 11 18.86986 21 43 25.06 +18 41 06.3                tEW024204
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
        R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall.  1.0-m
        f/2.15 reflector + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
        Schmidt-Cassegrain + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov.  0.61-m f/4.0
        astrograph + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/5.0 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2011 WO4                                            PHA, Earth MOID = 0.0327 AU
    Epoch 2011 Nov. 15.0 TT = JDT 2455880.5                 MPC
    M 337.71775              (2000.0)            P               Q
    n   0.40166238     Peri.  234.24609     +0.14157875     -0.77049528
    a   1.8192621      Node   224.92690     +0.91298837     -0.14104868
    e   0.5159633      Incl.   61.65343     -0.38263259     -0.62164482
    P   2.45           H   18.9           G   0.15
    From 25 observations 2011 Nov. 17-18.
    
    Ephemeris:
    2011 WO4                 a,e,i = 1.82, 0.52, 62                  q = 0.8806
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 10 20    20 15 55.7 +70 28 32   0.6709  1.3180   102.8    47.5    20.4
    ...
    2011 11 04    20 57 05.3 +53 23 03   0.4671  1.2037   105.4    52.6    19.6
    ...
    2011 11 12    21 22 04.8 +37 12 47   0.3880  1.1445   103.5    57.3    19.2
    ...
    2011 11 18    21 40 45.7 +21 12 16   0.3561  1.1016    98.9    62.4    19.1
    2011 11 19    21 43 49.8 +18 18 46   0.3537  1.0946    97.9    63.4    19.1
    2011 11 20    21 46 52.8 +15 23 24   0.3523  1.0877    96.8    64.4    19.1
    ...
    2011 11 26    22 04 43.1 -01 56 36   0.3623  1.0474    89.3    70.4    19.3
    ...
    2011 12 04    22 26 52.9 -21 17 57   0.4184  0.9980    79.5    76.2    19.7
    ...
    2011 12 19    23 01 36.5 -43 14 29   0.5889  0.9242    66.6    77.7    20.3
    
    A. U. Tomatic                (C) Copyright 2011 MPC           M.P.E.C. 2011-W24
    

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