Printer-friendly version
Follow the MPC on Twitter Follow the MPC on Facebook The MPC blog
Minor Planet Center

MPEC 2010-A71 : COMET C/2009 Y1 (CATALINA)

The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

A form allowing access to any MPEC is at the bottom of this page.

Read MPEC 2010-A70 Read MPEC 2010-A72 

M.P.E.C. 2010-A71                                Issued 2010 Jan. 14, 00:02 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/2009 Y1 (CATALINA)

Observations:
    CK09Y010  C2010 01 07.66117 12 16 09.66 +50 17 38.3          18.0 N EA071372
    CK09Y010  C2010 01 07.66819 12 16 09.62 +50 17 46.0          18.0 N EA071372
    CK09Y010  C2010 01 12.43902 12 16 14.63 +51 47 41.9          18.0 T EA071H10
    CK09Y010  C2010 01 12.44312 12 16 14.65 +51 47 46.3          18.2 T EA071H10
    CK09Y010  C2010 01 12.44742 12 16 14.68 +51 47 51.1          18.4 T EA071H10
    CK09Y010  C2010 01 12.45147 12 16 14.63 +51 47 54.9          17.3 T EA071H10

Observer details:
372 Geisei.  Observers T. Seki, K. Muraoka, S. Shimomoto.  0.70-m f/7
    reflector + CCD.
H10 Tzec Maun Observatory, Mayhill.  Observer L. Elenin.  0.36-m f/3.8
    Maksutov-Newtonian + CCD.

Orbital elements:
    C/2009 Y1 (Catalina)
T 2011 Jan. 27.663 TT                                   MPC
q   2.52418              (2000.0)            P               Q
                   Peri.  127.165       +0.648875       +0.689685
                   Node   160.322       -0.283834       -0.172511
e   1.0            Incl.  107.355       +0.705975       -0.703260
From 55 observations 2009 Dec. 17-2010 Jan. 12.

Ephemeris:
    C/2009 Y1 (Catalina)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2010 01 14    12 16.15   +52 17.8    4.015    4.583   119.7    10.7  18.6
2010 01 24    12 13.91   +55 37.3    3.881    4.507   124.0    10.4  18.5
2010 02 03    12 08.26   +59 02.4    3.777    4.431   126.2    10.3  18.4
2010 02 13    11 58.29   +62 23.6    3.704    4.355   125.7    10.6  18.2
2010 02 23    11 43.11   +65 29.6    3.662    4.280   122.8    11.2  18.1
2010 03 05    11 22.24   +68 08.8    3.647    4.204   118.0    12.0  18.0
2010 03 15    10 56.14   +70 11.3    3.656    4.130   111.8    12.9  18.0
2010 03 25    10 26.85   +71 31.3    3.684    4.055   104.8    13.8  17.9

     Further observations of this comet are desirable.
     Further observations of comet C/2009 W2 are desirable.

Brian G. Marsden             (C) Copyright 2010 MPC           M.P.E.C. 2010-A71

Read MPEC 2010-A70 Read MPEC 2010-A72

MPEC number:

Enter an MPEC number in one of the following forms:

  • 1997-B01 (the full form)
  • J97B01 (the packed version of the full form)
  • B01 (the abbreviated form)

Valid HTML 4.01!