• Processing (Info)

  • MPEC 2009-R22 : COMET P/2009 Q5 (McNAUGHT)

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    M.P.E.C. 2009-R22                                Issued 2009 Sept. 5, 15:07 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 Q5 (McNAUGHT)
    
    Observations:
        PK09Q050  C2009 09 01.62400 01 29 11.40 -17 45 32.4          16.8 T ER022900
        PK09Q050  C2009 09 01.63006 01 29 11.36 -17 45 40.0          16.5 T ER022900
        PK09Q050  C2009 09 02.40589 01 29 16.14 -18 00 10.1          16.4 N ER022E94
        PK09Q050  C2009 09 02.41028 01 29 15.95 -18 00 19.3          16.4 N ER022E94
        PK09Q050  C2009 09 02.41383 01 29 15.80 -18 00 25.3          17.4 T ER022H06
        PK09Q050  C2009 09 02.41465 01 29 16.14 -18 00 21.5          16.6 N ER022E94
        PK09Q050  C2009 09 02.41493 01 29 15.72 -18 00 26.9          17.1 N ER022H47
        PK09Q050  C2009 09 02.41579 01 29 15.78 -18 00 28.0                 ER022H06
        PK09Q050  C2009 09 02.41775 01 29 15.78 -18 00 30.8                 ER022H06
        PK09Q050  C2009 09 02.41903 01 29 15.91 -18 00 25.5          16.9 N ER022E94
        PK09Q050  C2009 09 02.42343 01 29 16.04 -18 00 32.3          17.2 N ER022E94
        PK09Q050  C2009 09 02.42615 01 29 15.77 -18 00 39.7          17.1 N ER022H47
        PK09Q050  C2009 09 02.43712 01 29 15.83 -18 00 52.4          17.2 N ER022H47
        PK09Q050  C2009 09 02.66793 01 29 17.34 -18 05 09.9          17.1 N ER022D25
        PK09Q050  C2009 09 02.68118 01 29 17.37 -18 05 24.4          17.1 N ER022D25
        PK09Q050  C2009 09 03.31985 01 29 20.26 -18 17 33.2          16.9 T ER022H06
        PK09Q050  C2009 09 03.32207 01 29 20.30 -18 17 36.0                 ER022H06
        PK09Q050  C2009 09 03.42393 01 29 20.55 -18 19 31.3          16.7 N ER022H47
        PK09Q050  C2009 09 03.43212 01 29 20.60 -18 19 40.8          16.9 N ER022H47
        PK09Q050  C2009 09 03.44019 01 29 20.66 -18 19 50.4          16.9 N ER022H47
    
    Observer details:
    900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
    D25 Tzec Maun Observatory, Pingelly.  Observer D. Chestnov.  0.15-m f/7.3
        refractor + CCD.
    E94 Possum Observatory, Gisborne.  Observer J. Drummond.  0.41-m f/5.2
        reflector + CCD.
    H06 RAS Observatory, Mayhill.  Observer H. Sato.  0.25-m f/3.4 reflector + CCD.
    H47 Vicksburg.  Observer C. Bell.  0.3-m f/4.7 Schmidt-Cassegrain + CCD.
    
    Orbital elements:
        P/2009 Q5 (McNaught)
    T 2009 Sept. 20.276 TT                                  MPC
    q   2.89631              (2000.0)            P               Q
    n   0.054339       Peri.  212.383       +0.933191       -0.280893
    a   6.90339        Node   159.802       +0.221555       +0.940797
    e   0.58045        Incl.   40.487       -0.282963       -0.189737
    P  18.1
    From 70 observations 2009 Aug. 31-Sept. 3.
    
    Ephemeris:
        P/2009 Q5 (McNaught)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2009 08 27    01 28.27   -16 00.9    2.103    2.902   134.5    14.4  16.2
    2009 09 06    01 29.46   -19 08.3    2.042    2.898   141.3    12.6  16.2
    2009 09 16    01 28.67   -22 17.6    2.007    2.896   146.1    11.1  16.1
    2009 09 26    01 26.13   -25 17.1    1.998    2.897   147.9    10.6  16.1
    2009 10 06    01 22.32   -27 55.2    2.016    2.899   146.0    11.1  16.1
    2009 10 16    01 17.90   -30 02.7    2.059    2.903   141.1    12.4  16.2
    2009 10 26    01 13.64   -31 34.2    2.124    2.909   134.6    14.1  16.3
    2009 11 05    01 10.28   -32 28.7    2.208    2.918   127.3    15.7  16.4
    2009 11 15    01 08.40   -32 48.4    2.308    2.928   119.8    17.1  16.5
    2009 11 25    01 08.38   -32 37.5    2.419    2.940   112.4    18.1  16.6
    
         Further observations of this comet are desirable.
    
    Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-R22
    

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