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  • MPEC 2014-W57 : COMET P/2014 W4 (PANSTARRS)

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    M.P.E.C. 2014-W57                                Issued 2014 Nov. 21, 04:54 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
    
                              COMET P/2014 W4 (PANSTARRS)
    
    Observations:
        PK14W040  C2014 10 25.58874 03 14 22.493+23 10 55.45         21.3 TLEW057F51
        PK14W040  C2014 10 25.60062 03 14 22.131+23 10 55.58         20.8 TLEW057F51
        PK14W040  C2014 10 25.61248 03 14 21.753+23 10 56.23         21.2 TLEW057F51
        PK14W040  C2014 11 18.50270 03 00 11.234+23 10 12.97         20.7 TLEW057F51
        PK14W040  C2014 11 18.51538 03 00 10.778+23 10 12.48         20.6 TLEW057F51
        PK14W040  C2014 11 18.52805 03 00 10.315+23 10 12.19         20.5 TLEW057F51
        PK14W040  C2014 11 18.54073 03 00 09.844+23 10 11.70         20.7 TLEW057F51
        PK14W040  C2014 11 19.22730602 59 45.09 +23 09 51.7          19.7 TtEW057H01
        PK14W040  C2014 11 19.23694802 59 44.73 +23 09 51.4          19.8 TtEW057H01
        PK14W040  C2014 11 19.24803202 59 44.32 +23 09 51.1          19.7 TtEW057H01
        PK14W040  C2014 11 19.25805202 59 43.95 +23 09 50.7          19.8 TtEW057H01
        PK14W040 _C2014 11 19.39908602 59 38.850+23 09 47.00         20.3 TtEW057568
        PK14W040 _C2014 11 19.40034202 59 38.804+23 09 46.95         20.3 TtEW057568
        PK14W040 _C2014 11 19.40160002 59 38.758+23 09 46.93         20.7 TtEW057568
        PK14W040 1C2014 11 19.55497 02 59 33.16 +23 09 44.2                vEW057Q62
        PK14W040 1C2014 11 19.55747 02 59 33.08 +23 09 43.8                vEW057Q62
        PK14W040 1C2014 11 19.55997 02 59 33.00 +23 09 43.4          19.5 TvEW057Q62
        PK14W040 KC2014 11 19.97435 02 59 18.03 +23 09 27.8          20.5 TqEW057958
        PK14W040 KC2014 11 19.98353 02 59 17.67 +23 09 27.4          20.5 TqEW057958
        PK14W040 KC2014 11 19.99197 02 59 17.40 +23 09 27.2          20.6 TqEW057958
        PK14W040 KC2014 11 20.05546 02 59 15.19 +23 09 27.5          20.8 TqEW057W96
        PK14W040 KC2014 11 20.07004 02 59 14.73 +23 09 27.9          20.4 TqEW057W96
        PK14W040 KC2014 11 20.09036 02 59 13.91 +23 09 27.3          20.5 TqEW057W96
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, A. Draginda.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer
        P. Dupouy.  0.43-m f/2.7 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  Measurers B. Bolin, K. Chambers, S. Chastel,
        L. Denneau, H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat,
        C. Waters.  1.8-m Ritchey-Chretien + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    Q62 iTelescope Observatory, Siding Spring.  Observer H. Sato.  0.51-m f/6.8
        astrograph + CCD + f/4.5 focal reducer.
    W96 CAO, San Pedro de Atacama (since 2013).  Observers A. Maury, J.-F. Soulier.
        Measurer J.-F. Soulier.  0.4-m f/8 Ritchey-Chretien + CCD.
    
    Orbital elements:
        P/2014 W4 (PANSTARRS)
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5
    T 2015 Dec. 26.12296 TT                                 MPCW
    q   4.2313880            (2000.0)            P               Q
    n   0.05754350     Peri.   67.76231     -0.17252799     -0.97458865
    a   6.6446461      Node    33.19550     +0.78005436     -0.22374980
    e   0.3631884      Incl.   15.12620     +0.60145597     +0.01062951
    P  17.1
    From 23 observations 2014 Oct. 25-Nov. 20, mean residual 0".3.
    
        P/2014 W4 (PANSTARRS)
    Epoch 2033 Feb. 12.0 TT = JDT 2463640.5
    T 2033 Feb. 14.60159 TT                                 MPCW
    q   4.2310418            (2000.0)            P               Q
    n   0.05734045     Peri.   67.83127     -0.17161687     -0.97483022
    a   6.6603232      Node    33.06939     +0.78020591     -0.22269073
    e   0.3647393      Incl.   15.11850     +0.60152007     +0.01071837
    P  17.2
    From 23 observations 2014 Oct. 25-Nov. 20, mean residual 0".3.
    
        P/2014 W4 (PANSTARRS)
    Epoch 2014 Dec. 9.0 TT = JDT 2457000.5
    T 2015 Dec. 25.59604 TT                                 MPCW
    q   4.2319289            (2000.0)            P               Q
    n   0.05753006     Peri.   67.69287     -0.17132252     -0.97480320
    a   6.6456808      Node    33.19394     +0.78033654     -0.22277692
    e   0.3632061      Incl.   15.12542     +0.60143452     +0.01136487
    P  17.1
    From 23 observations 2014 Oct. 25-Nov. 20, mean residual 0".3.
    
    Ephemeris:
        P/2014 W4 (PANSTARRS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2014 10 22    03 16 14.8 +23 08 45   3.8053  4.7266   155.1     5.1  20.6
    ...
    2014 11 06    03 07 49.4 +23 13 37   3.7150  4.6959   170.6     2.0  20.6
    ...
    2014 11 14    03 02 56.3 +23 12 05   3.6945  4.6798   174.1     1.2  20.5
    ...
    2014 11 20    02 59 17.2 +23 09 28   3.6920  4.6679   169.8     2.2  20.5
    2014 11 21    02 58 41.2 +23 08 56   3.6927  4.6659   168.8     2.4  20.5
    2014 11 22    02 58 05.5 +23 08 23   3.6937  4.6639   167.8     2.6  20.5
    ...
    2014 11 28    02 54 38.2 +23 04 42   3.7059  4.6522   161.5     3.9  20.5
    ...
    2014 12 06    02 50 27.7 +22 59 21   3.7385  4.6367   152.8     5.6  20.5
    ...
    2014 12 21    02 44 34.2 +22 51 13   3.8449  4.6082   136.5     8.5  20.6
    
    Gareth V. Williams           (C) Copyright 2014 MPC           M.P.E.C. 2014-W57
    

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