• Processing (Info)

    • MPEC 2009-V59 : COMET P/2009 U4 (McNAUGHT)

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    M.P.E.C. 2009-V59                                Issued 2009 Nov. 12, 17:05 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.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                          COMET P/2009 U4 (McNAUGHT)

Observations:
    PK09U040  C2009 11 06.08970 21 23 08.60 -27 15 39.8          17.6 N EV059I10
    PK09U040  C2009 11 06.10274 21 23 10.61 -27 15 24.2          18.0 N EV059I10
    PK09U040  C2009 11 06.52814 21 24 13.52 -27 07 50.0          17.9 T EV059D90
    PK09U040  C2009 11 06.53164 21 24 14.07 -27 07 46.1                 EV059D90
    PK09U040  C2009 11 06.53514 21 24 14.62 -27 07 42.9                 EV059D90
    PK09U040  C2009 11 06.57230 21 24 20.09 -27 07 03.4          16.9 N EV059D25
    PK09U040  C2009 11 06.58095 21 24 21.43 -27 06 54.2          17.0 N EV059D25
    PK09U040  C2009 11 07.06267 21 25 32.61 -26 58 20.2          19.2 N EV059I10
    PK09U040  C2009 11 08.06364 21 28 00.17 -26 40 30.5          17.4 N EV059H47
    PK09U040  C2009 11 08.07596 21 28 02.00 -26 40 17.2          18.1 N EV059H47

Observer details:
D25 Tzec Maun Observatory, Pingelly.  Observer S. Foglia.  Measurers
    P. Concari, S. Foglia, G. Galli, M. Tombelli.  0.18-m f/2.8 Newtonian
    reflector + CCD.
D90 RAS Observatory, Moorook.  Observer H. Sato.  0.30-m f/6.5
    Ritchey-Chretien + CCD.
H47 Vicksburg.  Observer C. Bell.  0.3-m f/4.7 Schmidt-Cassegrain + CCD.
I10 Campo Catino Austral Obs., San Pedro de Atacama.  Observers A. Maury,
    F. Kugel, J. Nicolas, T. Noel, F. Mallia.  Measurers J. Nicolas, T. Noel.
    0.4-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
    P/2009 U4 (McNaught)
T 2009 Sept.  9.277 TT                                  MPC
q   1.65126              (2000.0)            P               Q
n   0.083602       Peri.  260.081       +0.702674       +0.696639
a   5.17994        Node    55.584       -0.564518       +0.669657
e   0.68122        Incl.   10.103       -0.433092       +0.257398
P  11.8
From 56 observations 2009 Oct. 11-Nov. 8.

Ephemeris:
    P/2009 U4 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2009 11 05    21 20.45   -27 35.0    1.436    1.764    91.3    34.2  17.3
2009 11 15    21 44.77   -24 34.8    1.551    1.805    87.6    33.2  17.5
2009 11 25    22 08.14   -21 30.2    1.676    1.850    83.8    32.0  17.8
2009 12 05    22 30.55   -18 24.7    1.809    1.900    79.8    30.7  18.1
2009 12 15    22 52.07   -15 20.8    1.950    1.954    75.6    29.2  18.4
2009 12 25    23 12.80   -12 20.3    2.097    2.011    71.3    27.6  18.6
2010 01 04    23 32.82   -09 24.9    2.250    2.070    66.8    25.9  18.9
2010 01 14    23 52.23   -06 35.3    2.406    2.132    62.2    24.1  19.2
2010 01 24    00 11.11   -03 52.4    2.564    2.196    57.4    22.2  19.5

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-V59

    Read MPEC 2009-V58 Read MPEC 2009-V60

    MPEC number:

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