• Processing (Info)

  • MPEC 2013-C25 : P/2004 H2 = 2013 C1 (Larsen)

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    M.P.E.C. 2013-C25                                Issued 2013 Feb. 6, 20:55 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
    
                             P/2004 H2 = 2013 C1 (Larsen)
    
    Observations:
        PK13C010 KC2013 02 05.50083 11 52 05.63 +10 04 52.5          19.4 NoEC025291
        PK13C010 KC2013 02 05.51911 11 52 05.43 +10 04 58.9          19.4 NoEC025291
        PK13C010 KC2013 02 05.53715 11 52 05.23 +10 05 05.2          19.5 NoEC025291
        PK13C010 KC2013 02 06.41451 11 51 56.11 +10 10 18.4                oEC025291
        PK13C010 KC2013 02 06.43355 11 51 55.87 +10 10 25.3          19.4 ToEC025291
        PK13C010 KC2013 02 06.46045 11 51 55.54 +10 10 34.8                oEC025291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
    
    Orbital elements:
        P/2004 H2 (Larsen)
    Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
    T 2004 May 10.95716 TT                                  MPC
    q   2.6171311            (2000.0)            P               Q
    n   0.10316353     Peri.  104.55775     -0.54231155     +0.82615556
    a   4.5024814      Node   131.55346     -0.82784435     -0.49437451
    e   0.4187358      Incl.   11.78629     -0.14342911     -0.27029766
    P   9.55
    From 67 observations 2004 Apr. 19-2013 Feb. 6, mean residual 0".6.
    
        P/2004 H2 (Larsen)
    Epoch 2013 Dec. 14.0 TT = JDT 2456640.5
    T 2013 Dec. 11.03943 TT                                 MPC
    q   2.6359616            (2000.0)            P               Q
    n   0.10238593     Peri.  104.59786     -0.54240994     +0.82610417
    a   4.5252494      Node   131.50849     -0.82773771     -0.49440606
    e   0.4174992      Incl.   11.77240     -0.14367236     -0.27039702
    P   9.63
    From 67 observations 2004 Apr. 19-2013 Feb. 6, mean residual 0".6.
    
        P/2004 H2 (Larsen)
    Epoch 2023 Aug. 4.0 TT = JDT 2460160.5
    T 2023 Aug. 4.72433 TT                                  MPC
    q   2.6401597            (2000.0)            P               Q
    n   0.10224039     Peri.  104.73905     -0.54217979     +0.82620082
    a   4.5295429      Node   131.38187     -0.82785449     -0.49404166
    e   0.4171245      Incl.   11.77205     -0.14386802     -0.27076750
    P   9.64
    From 67 observations 2004 Apr. 19-2013 Feb. 6, mean residual 0".6.
    
        P/2004 H2 (Larsen)
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5
    T 2013 Dec. 11.11535 TT                                 MPC
    q   2.6358978            (2000.0)            P               Q
    n   0.10245444     Peri.  104.61095     -0.54215159     +0.82627527
    a   4.5232321      Node   131.51333     -0.82789376     -0.49415265
    e   0.4172535      Incl.   11.77265     -0.14374831     -0.27033745
    P   9.62
    From 67 observations 2004 Apr. 19-2013 Feb. 6, mean residual 0".6.
    
    Ephemeris:
        P/2004 H2 (Larsen)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2013 01 07    11 48 58.4 +08 08 25   2.9168  3.4133   112.3    15.5  20.2
    ...
    2013 01 22    11 52 32.5 +08 52 43   2.6756  3.3593   126.8    13.6  19.9
    ...
    2013 01 30    11 52 47.0 +09 29 09   2.5610  3.3308   135.0    12.1  19.8
    ...
    2013 02 05    11 52 10.6 +10 01 57   2.4831  3.3096   141.2    10.8  19.7
    2013 02 06    11 52 00.6 +10 07 51   2.4708  3.3060   142.2    10.5  19.7
    2013 02 07    11 51 49.4 +10 13 51   2.4588  3.3025   143.3    10.3  19.6
    ...
    2013 02 13    11 50 19.6 +10 52 05   2.3916  3.2814   149.6     8.8  19.6
    ...
    2013 02 21    11 47 22.4 +11 47 44   2.3160  3.2535   157.9     6.6  19.4
    ...
    2013 03 08    11 39 31.8 +13 37 45   2.2214  3.2019   169.2     3.3  19.3
    
    Gareth V. Williams           (C) Copyright 2013 MPC           M.P.E.C. 2013-C25
    

    Read MPEC 2013-C24 Read MPEC 2013-C26


    MPEC number:

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