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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-F54 : COMET C/2005 E2 (McNAUGHT)

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M.P.E.C. 2005-F54                                Issued 2005 Mar. 31, 04:31 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.

                  Supported in part by the Brinson Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                          COMET C/2005 E2 (McNAUGHT)

Observations:
    CK05E020  C2005 03 24.75090 19 59 16.05 -35 42 26.4          16.1 T EF054E12
    CK05E020  C2005 03 24.75948 19 59 16.46 -35 42 26.7          15.9 T EF054E12
    CK05E020  C2005 03 24.76806 19 59 16.97 -35 42 26.5          16.2 T EF054E12
    CK05E020  C2005 03 24.77662 19 59 17.50 -35 42 26.1          16.0 T EF054E12
    CK05E020  C2005 03 30.79447 20 04 53.004-35 40 57.12         16.3 T EF054413
    CK05E020  C2005 03 30.79597 20 04 53.093-35 40 57.14         16.3 T EF054413
    CK05E020  C2005 03 30.79748 20 04 53.175-35 40 57.13         16.3 T EF054413

Observer details:
413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers E. C. Beshore,
    C. M. Casey, E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson,
    R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.

Orbital elements:
    C/2005 E2 (McNaught)
T 2006 Feb. 22.760 TT                                   MPC
q   1.50890              (2000.0)            P               Q
                   Peri.   40.346       +0.876383       -0.477582
                   Node   347.721       +0.330995       +0.691065
e   1.0            Incl.   17.004       +0.349850       +0.542535
From 27 observations 2005 Mar. 12-30.

Ephemeris:
    C/2005 E2 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2005 03 31    20 05.07   -35 40.9    4.389    4.241    75.0    13.1  15.0
2005 04 10    20 13.71   -35 41.5    4.151    4.146    82.8    13.9  14.8
2005 04 20    20 21.41   -35 46.5    3.911    4.050    90.7    14.4  14.5
2005 04 30    20 27.98   -35 56.8    3.673    3.954    98.8    14.6  14.3
2005 05 10    20 33.21   -36 13.2    3.439    3.858   107.1    14.5  14.0
2005 05 20    20 36.86   -36 36.1    3.212    3.761   115.6    14.0  13.8
2005 05 30    20 38.67   -37 05.4    2.996    3.664   124.2    13.2  13.5

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-F54

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