MPEC 2008-B54 : COMET C/2007 Y2 (McNAUGHT)

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M.P.E.C. 2008-B54                                Issued 2008 Jan. 28, 15:26 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 C/2007 Y2 (McNAUGHT)

Observations:
    CK07Y020  C2008 01 15.52022 06 13 05.75 -52 17 07.0          18.6 T EB054423
    CK07Y020  C2008 01 15.55106 06 13 01.74 -52 17 12.6          17.9 T EB054423
    CK07Y020  C2008 01 15.61134 06 12 53.86 -52 17 24.8          19.4 N EB054415
    CK07Y020  C2008 01 15.61770 06 12 53.06 -52 17 25.8          19.1 N EB054415
    CK07Y020  C2008 01 26.62485 05 50 06.02 -52 29 44.2          19.3 N EB054415
    CK07Y020  C2008 01 26.63610 05 50 04.62 -52 29 42.9          19.3 N EB054415
    CK07Y020  C2008 01 27.54892 05 48 17.64 -52 28 52.0          18.5 T EB054423
    CK07Y020  C2008 01 27.58315 05 48 13.50 -52 28 49.5          18.5 T EB054423
    CK07Y020  C2008 01 28.53942 05 46 22.55 -52 27 39.7          18.9 N EB054415
    CK07Y020  C2008 01 28.54578 05 46 21.79 -52 27 39.0          18.9 N EB054415

Observer details:
415 Kambah, near Canberra.  Observer D. Herald.  0.36-m f/3.9
    Schmidt-Cassegrain + CCD.
423 North Ryde.  Observer S. G. McAndrew.  0.20-m f/4 hyperbolic astrograph
    + CCD.

Orbital elements:
    C/2007 Y2 (McNaught)
T 2008 Apr. 7.814 TT                                    MPC
q   4.21139              (2000.0)            P               Q
                   Peri.  257.605       +0.002183       +0.565514
                   Node   303.495       +0.621705       -0.646744
e   1.0            Incl.   98.518       -0.783248       -0.511778
From 39 observations 2007 Dec. 31-2008 Jan. 28.

Ephemeris:
    C/2007 Y2 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2008 01 25    05 53.33   -52 30.6    3.958    4.257   101.0    13.1  18.3
2008 02 04    05 34.53   -52 12.7    4.006    4.245    97.3    13.3  18.3
2008 02 14    05 18.73   -51 29.9    4.065    4.235    93.1    13.5  18.3
2008 02 24    05 06.31   -50 31.2    4.132    4.227    88.7    13.5  18.3
2008 03 05    04 57.23   -49 24.9    4.201    4.221    84.4    13.5  18.4
2008 03 15    04 51.22   -48 17.6    4.269    4.216    80.3    13.4  18.4
2008 03 25    04 47.87   -47 14.8    4.333    4.213    76.5    13.3  18.4

Brian G. Marsden             (C) Copyright 2008 MPC           M.P.E.C. 2008-B54

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