• Processing (Info)

  • MPEC 2012-Y39 : COMET P/2012 T7 (VOROBJOV)

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    M.P.E.C. 2012-Y39                                Issued 2012 Dec. 30, 17:03 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.minorplanetcenter.net/    ISSN 1523-6714
    
                              COMET P/2012 T7 (VOROBJOV)
    
    Observations:
        PK12T070  C2000 12 19.52829 03 44 30.75 +10 47 53.3          19.7 NcEY039608
        PK12T070  C2000 12 19.53862 03 44 30.48 +10 47 50.9          19.3 NcEY039608
        PK12T070  C2000 12 19.54877 03 44 30.27 +10 47 48.8          19.7 NcEY039608
        PK12T070  C2001 01 20.21779 03 39 48.51 +10 18 07.2          20.3 NcEY039608
        PK12T070  C2001 01 20.22791 03 39 48.58 +10 18 08.1          20.4 NcEY039608
        PK12T070  C2001 01 20.23806 03 39 48.65 +10 18 08.2          20.5 NcEY039608
        PK12T070  C2011 11 01.10275 23 19 23.77 +05 52 53.6          21.8 TrEY039G96
        PK12T070  C2011 11 01.11079 23 19 23.70 +05 52 50.3          21.6 TrEY039G96
        PK12T070  C2011 11 01.11887 23 19 23.62 +05 52 48.6          21.1 TrEY039G96
        PK12T070  C2011 11 01.12691 23 19 23.66 +05 52 46.9          21.2 TrEY039G96
    
    Observer details:
    608 Haleakala-NEAT/MSSS.  Observers R. Bambery, E. Helin, S. Pravdo, M. Hicks,
        K. Lawrence, P. Kervin.  Measurer R. Matson.  1.2-m reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. Boattini.  Measurers J. D. Ahern,
         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:
        P/2012 T7 (Vorobjov)
    Epoch 2001 Jan. 11.0 TT = JDT 2451920.5
    T 2001 Jan. 25.95682 TT                                 MPC
    q   3.9948244            (2000.0)            P               Q
    n   0.07754935     Peri.  213.40513     +0.35599382     -0.92235404
    a   5.4460788      Node   216.39069     +0.90320566     +0.38082194
    e   0.2664769      Incl.   14.65539     +0.23976641     -0.06509749
    P  12.7
    From 136 observations 2000 Dec. 19-2012 Dec. 18, mean residual 0".4.
    
        P/2012 T7 (Vorobjov)
    Epoch 2013 Jan. 28.0 TT = JDT 2456320.5
    T 2013 Jan. 16.13888 TT                                 MPC
    q   3.9238623            (2000.0)            P               Q
    n   0.07862444     Peri.  205.78754     +0.50633798     -0.85076368
    a   5.3963197      Node   214.30738     +0.82809636     +0.52525956
    e   0.2728633      Incl.   14.46555     +0.24057901     -0.01742283
    P  12.5
    From 136 observations 2000 Dec. 19-2012 Dec. 18, mean residual 0".4.
    
        P/2012 T7 (Vorobjov)
    Epoch 2024 Nov. 26.0 TT = JDT 2460640.5
    T 2024 Dec. 10.77179 TT                                 MPC
    q   3.8988019            (2000.0)            P               Q
    n   0.07964787     Peri.  199.26199     +0.64044956     -0.75642105
    a   5.3499936      Node   211.33607     +0.73389444     +0.65376115
    e   0.2712511      Incl.   14.80146     +0.22632568     +0.02058032
    P  12.4
    From 136 observations 2000 Dec. 19-2012 Dec. 18, mean residual 0".4.
    
        P/2012 T7 (Vorobjov)
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5
    T 2013 Jan. 17.16621 TT                                 MPC
    q   3.9236580            (2000.0)            P               Q
    n   0.07893832     Peri.  205.90068     +0.50423187     -0.85196339
    a   5.3820053      Node   214.33730     +0.82940431     +0.52327838
    e   0.2709673      Incl.   14.48611     +0.24049681     -0.01838802
    P  12.5
    From 136 observations 2000 Dec. 19-2012 Dec. 18, mean residual 0".4.
    
    Ephemeris:
        P/2012 T7 (Vorobjov)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2012 11 30    03 08 22.4 +11 14 10   2.9935  3.9297   158.9     5.2  19.8
    ...
    2012 12 15    03 02 24.8 +10 22 32   3.1004  3.9266   142.4     8.8  19.9
    ...
    2012 12 23    03 00 29.1 +10 03 56   3.1794  3.9254   133.8    10.4  20.0
    ...
    2012 12 29    02 59 42.1 +09 54 20   3.2470  3.9247   127.6    11.5  20.0
    2012 12 30    02 59 37.6 +09 53 06   3.2589  3.9247   126.5    11.6  20.0
    2012 12 31    02 59 34.2 +09 51 58   3.2709  3.9246   125.5    11.8  20.0
    ...
    2013 01 06    02 59 34.5 +09 47 16   3.3464  3.9241   119.4    12.6  20.1
    ...
    2013 01 14    03 00 30.8 +09 46 26   3.4543  3.9239   111.6    13.5  20.1
    ...
    2013 01 29    03 05 03.3 +09 59 43   3.6713  3.9243    97.6    14.4  20.3
    
    Gareth V. Williams           (C) Copyright 2012 MPC           M.P.E.C. 2012-Y39
    

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