MPEC 2009-G31 : COMET C/2009 F6 (YI-SWAN)
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M.P.E.C. 2009-G31 Issued 2009 Apr. 9, 17:20 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 03 25.06024 22 28 28.80 +48 45 14.0 10.7 T EG031114
CK09F060 C2009 04 07.07486 00 01 16.24 +54 59 48.8 11.5 N EG031A71
CK09F060 C2009 04 07.07921 00 01 18.31 +54 59 54.3 11.6 N EG031A71
CK09F060 C2009 04 07.08568 00 01 21.51 +55 00 01.5 11.6 N EG031A71
CK09F060 C2009 04 07.11936 00 01 37.80 +55 00 40.9 11.6 N EG031A71
CK09F060 C2009 04 07.48128 00 04 34.35 +55 07 32.5 11.5 N EG031H06
CK09F060 C2009 04 07.48443 00 04 35.89 +55 07 36.0 11.7 N EG031H06
CK09F060 C2009 04 07.48756 00 04 37.42 +55 07 39.4 11.6 N EG031H06
CK09F060 C2009 04 07.74198 00 06 41.88 +55 12 17.5 EG031349
CK09F060 C2009 04 07.74368 00 06 42.65 +55 12 19.1 EG031349
CK09F060 C2009 04 07.74537 00 06 43.49 +55 12 21.2 EG031349
CK09F060 C2009 04 07.74706 00 06 44.35 +55 12 23.4 11.3 T EG031349
CK09F060 C2009 04 07.77727 00 06 59.24 +55 12 56.5 13.7 N EG031900
CK09F060 C2009 04 07.78114 00 07 01.11 +55 13 00.7 EG031900
CK09F060 C2009 04 07.79866 00 07 09.00 +55 13 18.5 12.7 N EG031235
CK09F060 C2009 04 08.77670 00 15 12.75 +55 30 03.5 13.6 N EG031900
CK09F060 C2009 04 08.78056 00 15 14.67 +55 30 07.1 EG031900
CK09F060 C2009 04 08.80113 00 15 24.34 +55 30 24.6 14.5 N EG031585
CK09F060 C2009 04 08.80530 00 15 26.35 +55 30 29.2 14.6 N EG031585
CK09F060 C2009 04 08.80751 00 15 27.51 +55 30 30.4 14.5 N EG031585
CK09F060 C2009 04 08.80983 00 15 28.70 +55 30 32.5 14.5 N EG031585
CK09F060 C2009 04 08.81213 00 15 29.68 +55 30 35.9 14.7 N EG031585
CK09F060 C2009 04 08.82144 00 15 34.52 +55 30 43.0 14.4 N EG031585
CK09F060 C2009 04 08.82714 00 15 37.39 +55 30 49.4 14.5 N EG031585
CK09F060 C2009 04 08.83000 00 15 38.75 +55 30 52.1 14.5 N EG031585
CK09F060 C2009 04 08.83856 00 15 43.07 +55 31 01.1 14.6 N EG031585
CK09F060 C2009 04 08.84653 00 15 47.02 +55 31 07.7 14.5 N EG031585
CK09F060 C2009 04 09.43381 00 20 39.62 +55 40 16.3 13.0 N EG031D92
CK09F060 C2009 04 09.44241 00 20 44.01 +55 40 23.3 13.4 N EG031D92
CK09F060 C2009 04 09.44429 00 20 45.00 +55 40 26.0 12.4 T EG031D92
Observer details:
114 Engelhardt Observatory, Zelenchukskaya Station. Observer S. Korotkiy.
0.01-m f/4.0 refractor + CCD. Prediscovery observation.
235 CAST Observatory, Talmassons. Observer P. Beltrame. 0.35-m f/6 reflector
+ CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
585 Kiev comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
A71 Stixendorf. Observer M. Jaeger. Measurer W. Vollmann. 0.14-m f/2.9
reflector + CCD.
D92 Osaki. Observer T. Yusa. 0.20-m f/6.3 Schmidt-Cassegrain + CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero. 0.10-m f/5
reflector + CCD.
Orbital elements:
C/2009 F6 (Yi-SWAN)
T 2009 May 5.678 TT MPC
q 1.28536 (2000.0) P Q
Peri. 127.997 -0.030050 -0.155073
Node 278.089 +0.253935 +0.954296
e 1.0 Incl. 85.842 +0.966754 -0.255483
From 93 observations 2009 Mar. 25-Apr. 9.
Ephemeris:
C/2009 F6 (Yi-SWAN)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 04 09 00 17.05 +55 33.7 1.767 1.347 49.2 34.3 8.5
2009 04 14 00 59.34 +56 28.3 1.779 1.327 47.5 33.9 8.5
2009 04 19 01 41.82 +56 33.7 1.801 1.310 45.5 33.1 8.5
2009 04 24 02 22.37 +55 52.9 1.833 1.298 43.2 32.0 8.4
2009 04 29 02 59.47 +54 33.4 1.873 1.289 40.7 30.6 8.5
2009 05 04 03 32.36 +52 44.9 1.920 1.286 38.0 28.9 8.5
2009 05 09 04 01.01 +50 36.5 1.972 1.286 35.2 26.9 8.6
2009 05 14 04 25.82 +48 16.0 2.028 1.292 32.3 24.7 8.6
2009 05 19 04 47.31 +45 49.3 2.086 1.301 29.3 22.3 8.7
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-G31
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