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IAU Minor Planet Center

Minor Planet Center

MPEC 2009-K71 : COMET C/2009 F6 (YI-SWAN)

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M.P.E.C. 2009-K71                                Issued 2009 May 29, 19:22 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 F6 (YI-SWAN)

Observations:
    CK09F060  C2009 05 02.48082 03 23 37.43 +53 16 25.2          11.4 T EK071349
    CK09F060  C2009 05 02.48274 03 23 38.15 +53 16 22.6                 EK071349
    CK09F060  C2009 05 02.48465 03 23 38.85 +53 16 20.4                 EK071349
    CK09F060  C2009 05 09.44701 04 04 25.36 +50 16 56.0          11.2 T EK071349
    CK09F060  C2009 05 09.44854 04 04 25.89 +50 16 53.8                 EK071349
    CK09F060  C2009 05 21.86435 04 59 39.38 +44 09 02.7          14.4 N EK071585
    CK09F060  C2009 05 21.86611 04 59 39.78 +44 09 00.2          14.2 N EK071585
    CK09F060  C2009 05 21.86698 04 59 40.01 +44 08 58.7          14.3 N EK071585
    CK09F060  C2009 05 21.86778 04 59 40.06 +44 08 56.9          14.4 N EK071585
    CK09F060  C2009 05 21.87118 04 59 40.85 +44 08 50.7          14.3 N EK071585
    CK09F060  C2009 05 21.87480 04 59 41.78 +44 08 45.0          14.3 N EK071585
    CK09F060  C2009 05 21.87661 04 59 42.10 +44 08 41.9          14.2 N EK071585
    CK09F060  C2009 05 21.87843 04 59 42.51 +44 08 37.3          14.4 N EK071585
    CK09F060  C2009 05 21.88023 04 59 42.88 +44 08 35.1          14.1 N EK071585
    CK09F060  C2009 05 21.88205 04 59 43.33 +44 08 29.3          14.1 N EK071585
    CK09F060  C2009 05 21.88567 04 59 44.12 +44 08 23.9          14.3 N EK071585
    CK09F060  C2009 05 21.88748 04 59 44.49 +44 08 20.6          14.3 N EK071585
    CK09F060  C2009 05 21.89308 04 59 45.82 +44 08 08.2          14.2 N EK071585
    CK09F060  C2009 05 22.85142 05 03 16.81 +43 38 58.8          13.7 N EK071B82
    CK09F060  C2009 05 22.85253 05 03 17.00 +43 38 55.7          13.8 N EK071B82
    CK09F060  C2009 05 22.85363 05 03 17.33 +43 38 55.8          13.7 N EK071B82
    CK09F060  C2009 05 24.85392 05 10 21.00 +42 38 01.2          13.9 N EK071B82
    CK09F060  C2009 05 24.85503 05 10 21.28 +42 37 58.3          13.9 N EK071B82
    CK09F060  C2009 05 24.85671 05 10 21.67 +42 37 56.6          14.1 N EK071B82

Observer details:
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
585 Kiev comet station.  Observers A. Baransky, V. Ponomarenko.  0.7-m f/4
    reflector + CCD.
B82 Maidbronn.  Observer B. Haeusler.  0.30-m Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2009 F6 (Yi-SWAN)
T 2009 May 7.4408 TT                                    MPC
q   1.274076             (2000.0)            P               Q
z  +0.002324       Peri.  129.7781      -0.0404723      -0.1626632
                   Node   278.6794      +0.2832832      +0.9443067
e   0.997039       Incl.   85.7668      +0.9581819      -0.2860517
From 381 observations 2009 Apr. 6-May 24.

     Further observations of comet C/2009 G1 are desirable.

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-K71

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