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  • MPEC 2013-U84 : COMET C/2013 U2 (HOLVORCEM)

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    M.P.E.C. 2013-U84                                Issued 2013 Oct. 30, 18:41 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 C/2013 U2 (HOLVORCEM)
    
    Observations:
        CK13U020  C2013 10 23.41722 04 15 52.46 +66 13 35.7          18.7 ToEU084926
        CK13U020  C2013 10 23.43825 04 15 51.62 +66 13 42.0                oEU084926
        CK13U020  C2013 10 23.45837 04 15 50.96 +66 13 50.9                oEU084926
        CK13U020  C2013 10 24.46346 04 15 15.17 +66 20 25.3          18.8 ToEU084926
        CK13U020  C2013 10 24.48294 04 15 14.43 +66 20 32.7          18.7 ToEU084926
        CK13U020  C2013 10 24.50253 04 15 13.72 +66 20 40.1          18.8 ToEU084926
        CK13U020 |C2013 10 25.24510 04 14 46.51 +66 25 26.1                vEU084H06
        CK13U020 |C2013 10 25.24749 04 14 46.45 +66 25 26.9                vEU084H06
        CK13U020 |C2013 10 25.24989 04 14 46.40 +66 25 27.8          18.8 TvEU084H06
        CK13U020  C2013 10 25.35111 04 14 42.48 +66 26 07.0          19.0 ToEU084926
        CK13U020 IC2013 10 25.35244004 14 42.24 +66 26 07.0                rEU084H21
        CK13U020 IC2013 10 25.36345104 14 41.91 +66 26 10.7                rEU084H21
        CK13U020  C2013 10 25.36556 04 14 41.90 +66 26 11.9          18.6 ToEU084926
        CK13U020  C2013 10 25.38015 04 14 41.33 +66 26 17.9          18.8 ToEU084926
        CK13U020 (C2013 10 25.51313 04 14 36.34 +66 27 09.0                tEU084F65
        CK13U020 (C2013 10 25.51576 04 14 36.30 +66 27 09.8                tEU084F65
        CK13U020 (C2013 10 25.51818 04 14 36.15 +66 27 11.0          19.0 TtEU084F65
        CK13U020  C2013 10 25.95707 04 14 19.47 +66 29 56.6          19.3 TqEU084C95
        CK13U020  C2013 10 25.96458 04 14 19.12 +66 29 59.2          19.1 TqEU084C95
        CK13U020  C2013 10 25.97249 04 14 18.87 +66 30 02.3          18.9 TqEU084C95
        CK13U020  C2013 10 25.98263 04 14 18.53 +66 30 06.0          19.3 TqEU084C95
        CK13U020 KC2013 10 26.13906 04 14 12.22 +66 31 04.3          18.8 TqEU084850
        CK13U020 KC2013 10 26.15065 04 14 12.06 +66 31 09.6          19.1 TqEU084850
        CK13U020 KC2013 10 26.15394 04 14 11.96 +66 31 10.4          19.1 TqEU084850
        CK13U020 KC2013 10 26.16129 04 14 11.61 +66 31 12.7          18.9 TqEU084850
        CK13U020 KC2013 10 26.16450 04 14 11.45 +66 31 14.5          18.8 TqEU084850
        CK13U020 KC2013 10 26.17598 04 14 11.01 +66 31 18.5          18.4 TqEU084850
        CK13U020 KC2013 10 26.18890 04 14 10.47 +66 31 23.6          18.7 TqEU084850
        CK13U020 KC2013 10 26.19859 04 14 10.11 +66 31 27.6          18.7 TqEU084850
        CK13U020  C2013 10 26.40824 04 14 01.76 +66 32 47.0                oEU084711
        CK13U020  C2013 10 26.41162 04 14 01.60 +66 32 48.3                oEU084711
        CK13U020 SC2013 10 26.41420 04 14 01.50 +66 32 49.2                oEU084711
        CK13U020  C2013 10 26.43131 04 14 00.79 +66 32 55.3          19.0 ToEU084926
        CK13U020  C2013 10 26.44527 04 14 00.19 +66 33 00.5          19.1 ToEU084926
        CK13U020  C2013 10 26.46106 04 13 59.53 +66 33 06.5          19.0 ToEU084926
        CK13U020 KC2013 10 26.98423 04 13 38.88 +66 36 20.2          18.8 TuEU084958
        CK13U020 KC2013 10 27.03714 04 13 36.47 +66 36 40.6          18.5 TuEU084958
        CK13U020 KC2013 10 27.04894 04 13 36.18 +66 36 44.5          18.8 TuEU084958
        CK13U020 KC2013 10 27.06074 04 13 35.59 +66 36 49.9          18.8 TuEU084958
        CK13U020 KC2013 10 27.07258 04 13 35.29 +66 36 53.2          18.6 TuEU084958
        CK13U020 *C2013 10 27.21149 04 13 29.92 +66 37 44.6          18.1 TuEU084H06
        CK13U020 *C2013 10 27.21725 04 13 29.65 +66 37 46.5          18.3 TuEU084H06
        CK13U020 *C2013 10 27.22299 04 13 29.45 +66 37 48.6          18.6 TuEU084H06
        CK13U020  C2013 10 27.29443 04 13 26.46 +66 38 16.0          18.8 ToEU084926
        CK13U020  C2013 10 27.30876 04 13 25.81 +66 38 21.3          18.9 ToEU084926
        CK13U020  C2013 10 27.32396 04 13 25.22 +66 38 26.5          18.8 ToEU084926
        CK13U020  C2013 10 27.37019 04 13 23.26 +66 38 43.9                oEU084711
        CK13U020  C2013 10 27.37345 04 13 23.12 +66 38 45.3                oEU084711
        CK13U020  C2013 10 27.37733 04 13 22.96 +66 38 46.7                oEU084711
        CK13U020 AC2013 10 28.35144 04 12 42.46 +66 44 41.5          19.1 TqEU084H06
        CK13U020 AC2013 10 28.35319 04 12 42.41 +66 44 41.6          19.0 TqEU084H06
        CK13U020  C2013 10 28.43883 04 12 38.73 +66 45 12.8          19.2 ToEU084926
        CK13U020  C2013 10 28.45288 04 12 38.08 +66 45 17.9          19.0 ToEU084926
        CK13U020  C2013 10 28.46683 04 12 37.48 +66 45 22.8          19.1 ToEU084926
        CK13U020 KC2013 10 29.18901504 12 06.80 +66 49 40.7          19.0 TcEU084H21
        CK13U020 KC2013 10 29.20241 04 12 05.84 +66 49 44.6          18.5 TqEU084J95
        CK13U020 IC2013 10 29.20895 04 12 05.56 +66 49 47.1                qEU084J95
        CK13U020 KC2013 10 29.22548904 12 05.02 +66 49 53.8          18.9 TcEU084H21
        CK13U020  C2013 10 29.46595 04 11 54.47 +66 51 18.3          19.0 ToEU084926
        CK13U020  C2013 10 29.48541 04 11 53.55 +66 51 25.1          19.2 ToEU084926
        CK13U020  C2013 10 29.50132 04 11 52.67 +66 51 31.4          18.9 ToEU084926
        CK13U020 KC2013 10 29.83536 04 11 38.35 +66 53 27.2          18.6 ToEU084J16
        CK13U020 KC2013 10 29.85282 04 11 37.44 +66 53 33.4          18.2 ToEU084J16
        CK13U020  C2013 10 30.39313 04 11 13.06 +66 56 42.2          19.0 ToEU084926
        CK13U020  C2013 10 30.41075 04 11 12.25 +66 56 48.5          19.1 ToEU084926
        CK13U020  C2013 10 30.42490 04 11 11.55 +66 56 53.3          19.1 ToEU084926
    
    Observer details:
    711 McDonald Observatory.  Observers A. J. Riddle, J. G. Ries.  2.1-m
        reflector + CCD + focal reducer.
    850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.3-m f/9
        Schmidt-Cassegrain + 3326x2504 CCD.
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  0.41-m
        f/3.75 astrograph + CCD, 0.81-m f/7 Ritchey-Chretien + CCD.
    958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer
        P. Dupouy.  0.43-m f/2.7 reflector + CCD.
    C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
        f/3.2 Newtonian reflector + CCD.
    F65 Haleakala-Faulkes Telescope North.  Observers P. Miller, P. Roche,
        A. Tripp, R. Miles, R. Holmes, S. Foglia, L. Buzzi.  Measurers L. Buzzi,
        S. Foglia, T. Vorobjov, T. Lister.  2.0-m f/10 Ritchey-Chretien + CCD.
    H06 iTelescope Observatory, Mayhill.  Observers H. Sato, R. Ligustri,
        M. Urbanik.  0.43-m f/4.5 reflector + CCD, 0.51-m f/6.8 astrograph
        + CCD + f/4.5 focal reducer.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, H. Devore, A. Kostin, T. Linder,
        T. Lister. T. Vorobjov, T. Lister. T. Vor.  0.61-m f/4.0 astrograph + CCD.
    J16 An Carraig Observatory, Loughinisland.  Observer K. Rooney.  0.4-m f/6.8
        Cassegrain + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
        C/2013 U2 (Holvorcem)
    T 2014 Sept. 22.62517 TT                                MPC
    q   5.4290905            (2000.0)            P               Q
                       Peri.   99.64035     -0.28537683     -0.95113149
                       Node     9.77232     +0.34250658     -0.21613676
    e   1.0            Incl.   44.01385     +0.89512530     -0.22053071
    From 65 observations 2013 Oct. 23-30.
    
    Ephemeris:
        C/2013 U2 (Holvorcem)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2013 09 30    04 22 32.2 +63 17 34   5.6778  6.0266   105.7     9.2  19.1
    ...
    2013 10 15    04 19 51.3 +65 14 54   5.4873  5.9805   115.2     8.7  19.0
    ...
    2013 10 23    04 16 07.0 +66 10 50   5.3986  5.9566   119.8     8.3  18.9
    ...
    2013 10 29    04 12 14.8 +66 48 33   5.3389  5.9389   123.0     8.1  18.9
    2013 10 30    04 11 30.9 +66 54 25   5.3296  5.9360   123.5     8.0  18.9
    2013 10 31    04 10 45.6 +67 00 10   5.3204  5.9330   124.0     8.0  18.9
    ...
    2013 11 06    04 05 45.0 +67 31 49   5.2694  5.9157   126.7     7.7  18.8
    ...
    2013 11 14    03 57 58.5 +68 05 43   5.2124  5.8930   129.6     7.4  18.8
    ...
    2013 11 29    03 41 26.3 +68 40 36   5.1410  5.8516   132.4     7.2  18.7
    
    Gareth V. Williams           (C) Copyright 2013 MPC           M.P.E.C. 2013-U84
    

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