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  • MPEC 2012-B03 : 2012 AW12

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    M.P.E.C. 2012-B03                                Issued 2012 Jan. 17, 12:17 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
    
                                       2012 AW12
    
    Observations:
         K12A12W* C2012 01 05.62356 12 51 45.562-13 55 06.60         22.5 wLEB003F51
         K12A12W  C2012 01 05.62772 12 51 45.688-13 54 57.98         22.8 wLEB003F51
         K12A12W  C2012 01 05.63188 12 51 45.810-13 54 49.50         22.7 wLEB003F51
         K12A12W  C2012 01 05.63601 12 51 45.943-13 54 40.47         22.2 wLEB003F51
         K12A12W %C2012 01 06.62576 12 52 17.12 -13 19 31.7          21.6 RoEB003F65
         K12A12W %C2012 01 06.62752 12 52 17.17 -13 19 28.3          21.1 RoEB003F65
         K12A12W %C2012 01 06.62930 12 52 17.22 -13 19 23.8          21.2 RoEB003F65
         K12A12W %C2012 01 06.63108 12 52 17.26 -13 19 20.3          21.6 RoEB003F65
         K12A12W %C2012 01 06.63288 12 52 17.31 -13 19 16.1          21.1 RoEB003F65
         K12A12W %C2012 01 06.63467 12 52 17.36 -13 19 12.9          21.3 RoEB003F65
         K12A12W %C2012 01 06.63646 12 52 17.41 -13 19 08.7          21.7 RoEB003F65
         K12A12W %C2012 01 06.63824 12 52 17.47 -13 19 04.7          21.3 RoEB003F65
         K12A12W %C2012 01 06.64002 12 52 17.52 -13 19 01.4          21.6 RoEB003F65
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
        J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
        Ritchey-Chretien + CCD.
    F65 Haleakala-Faulkes Telescope North.  Observer T. Lister.  2.0-m f/10
        Ritchey-Chretien + CCD.
    
    Orbital elements:
    2012 AW12                                                Earth MOID = 0.0520 AU
    Epoch 2011 Dec. 25.0 TT = JDT 2455920.5                 MPC
    M  20.48118              (2000.0)            P               Q
    n   0.34606918     Peri.  253.30930     +0.58001607     -0.74182685
    a   2.0092197      Node   151.30124     +0.69035950     +0.66695303
    e   0.6622669      Incl.   44.49710     -0.43241776     +0.06976093
    P   2.85           H   20.4           G   0.15
    From 13 observations 2012 Jan. 5-6.  E-assumed.
    
    Ephemeris:
    2012 AW12                a,e,i = 2.01, 0.66, 44                  q = 0.6786
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 01 14    12 54.83   -08 39.5    0.814    1.352    97.1    46.2    22.4
    2012 01 16    12 55.09   -07 17.6    0.807    1.372    99.6    45.0    22.3
    2012 01 18    12 55.16   -05 53.1    0.801    1.393   102.1    43.7    22.3
    2012 01 20    12 55.01   -04 26.0    0.795    1.414   104.8    42.3    22.3
    2012 01 22    12 54.65   -02 56.2    0.789    1.434   107.4    40.9    22.3
    2012 01 24    12 54.07   -01 23.7    0.783    1.454   110.2    39.4    22.2
    2012 01 26    12 53.27   +00 11.1    0.779    1.474   113.0    37.9    22.2
    2012 01 28    12 52.23   +01 48.4    0.774    1.494   115.8    36.4    22.2
    2012 01 30    12 50.97   +03 27.7    0.771    1.514   118.6    34.8    22.2
    2012 02 01    12 49.46   +05 08.9    0.769    1.534   121.5    33.2    22.1
    2012 02 03    12 47.73   +06 51.6    0.767    1.554   124.4    31.6    22.1
    2012 02 05    12 45.76   +08 35.5    0.766    1.573   127.3    29.9    22.1
    2012 02 07    12 43.56   +10 20.1    0.767    1.592   130.1    28.3    22.1
    2012 02 09    12 41.13   +12 05.0    0.769    1.612   132.9    26.6    22.1
    2012 02 11    12 38.48   +13 49.6    0.772    1.631   135.7    25.0    22.1
    2012 02 13    12 35.61   +15 33.6    0.776    1.649   138.4    23.4    22.0
    2012 02 15    12 32.53   +17 16.3    0.781    1.668   140.9    21.9    22.0
    2012 02 17    12 29.26   +18 57.1    0.788    1.687   143.3    20.5    22.0
    2012 02 19    12 25.80   +20 35.7    0.796    1.705   145.5    19.2    22.0
    2012 02 21    12 22.18   +22 11.3    0.806    1.724   147.5    18.0    22.0
    2012 02 23    12 18.42   +23 43.7    0.817    1.742   149.2    16.9    22.1
    2012 02 25    12 14.53   +25 12.3    0.830    1.760   150.5    16.1    22.1
    2012 02 27    12 10.55   +26 36.8    0.844    1.778   151.6    15.4    22.1
    2012 02 29    12 06.49   +27 56.9    0.859    1.796   152.2    14.9    22.2
    2012 03 02    12 02.38   +29 12.4    0.876    1.814   152.5    14.6    22.2
    2012 03 04    11 58.24   +30 23.1    0.894    1.831   152.4    14.5    22.3
    
    The current sky-plane uncertainty for 2012 AW12 is several degrees.
    
    Timothy B. Spahr             (C) Copyright 2012 MPC           M.P.E.C. 2012-B03
    

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