MPEC 2007-Y58 : COMET C/2007 Y1 (LINEAR)

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M.P.E.C. 2007-Y58                                Issued 2007 Dec. 31, 03:02 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 Y1 (LINEAR)

Observations:
    CK07Y010  C2007 12 25.05917 09 58 40.81 -13 42 33.0          18.1 N EY058213
    CK07Y010  C2007 12 25.10945 09 58 38.39 -13 41 59.2          18.1 N EY058J47
    CK07Y010  C2007 12 25.11907 09 58 37.89 -13 41 53.0          18.1 N EY058J47
    CK07Y010  C2007 12 25.12732 09 58 37.44 -13 41 47.9          18.1 N EY058J47
    CK07Y010  C2007 12 25.12971 09 58 37.27 -13 41 46.5          18.0 N EY058213
    CK07Y010  C2007 12 25.17002 09 58 35.28 -13 41 19.5          18.1 N EY058213
    CK07Y010  C2007 12 28.62268 09 55 36.65 -13 01 31.0          18.2 T EY058423
    CK07Y010  C2007 12 28.65390 09 55 34.99 -13 01 08.3          18.1 T EY058423
    CK07Y010  C2007 12 29.61707 09 54 41.58 -12 49 18.1          18.0 T EY058423
    CK07Y010  C2007 12 29.63588 09 54 40.50 -12 49 04.4          18.2 T EY058423

Observer details:
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
    f/10 Schmidt-Cassegrain + CCD.
423 North Ryde.  Observer S. G. McAndrew.  0.20-m f/4 hyperbolic astrograph
    + CCD.
J47 Observatorio Nazaret.  Observer G. Muler.  0.20-m Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2007 Y1 (LINEAR)
T 2008 Mar. 19.460 TT                                   MPC
q   3.33999              (2000.0)            P               Q
                   Peri.  357.162       -0.694802       +0.217678
                   Node   133.092       +0.676963       -0.123875
e   1.0            Incl.  110.171       +0.242842       +0.968128
From 42 observations 2007 Dec. 16-29.

Ephemeris:
    C/2007 Y1 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 12 26    09 57.90   -13 32.1    2.908    3.433   114.4    15.1  18.2
2008 01 05    09 48.14   -11 22.4    2.733    3.413   126.6    13.4  18.0
2008 01 15    09 35.69   -08 34.6    2.586    3.395   139.4    10.9  17.9
2008 01 25    09 20.97   -05 07.5    2.477    3.379   152.2     7.8  17.8
2008 02 04    09 04.73   -01 06.8    2.413    3.366   162.4     5.1  17.7
2008 02 14    08 48.05   +03 14.7    2.402    3.356   162.2     5.2  17.7
2008 02 24    08 32.14   +07 39.3    2.443    3.348   151.8     8.0  17.7

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-Y58

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