MPEC 2009-H13 : COMET C/2009 F6 (YI-SWAN)
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M.P.E.C. 2009-H13 Issued 2009 Apr. 18, 15:01 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 04 08.80828 00 15 27.92 +55 30 31.1 13.6 N EH013585
CK09F060 C2009 04 08.81139 00 15 29.40 +55 30 34.4 13.6 N EH013585
CK09F060 C2009 04 08.81321 00 15 30.40 +55 30 37.6 12.3 T EH013A91
CK09F060 C2009 04 08.81573 00 15 31.70 +55 30 38.2 13.6 N EH013585
CK09F060 C2009 04 08.81920 00 15 33.35 +55 30 43.7 12.3 T EH013A91
CK09F060 C2009 04 08.82520 00 15 36.35 +55 30 49.5 12.3 T EH013A91
CK09F060 C2009 04 08.83287 00 15 40.16 +55 30 55.7 13.6 N EH013585
CK09F060 C2009 04 08.84141 00 15 44.44 +55 31 02.5 13.7 N EH013585
CK09F060 C2009 04 08.84980 00 15 48.65 +55 31 11.5 13.6 N EH013585
CK09F060 C2009 04 08.85266 00 15 50.05 +55 31 15.4 13.5 N EH013585
CK09F060 C2009 04 08.85551 00 15 51.47 +55 31 16.1 13.7 N EH013585
CK09F060 C2009 04 08.86122 00 15 54.39 +55 31 22.3 13.6 N EH013585
CK09F060 C2009 04 08.86407 00 15 55.80 +55 31 26.0 13.6 N EH013585
CK09F060 C2009 04 11.98559 00 42 11.98 +56 12 07.9 14.8 N EH013987
CK09F060 C2009 04 11.98742 00 42 12.82 +56 12 08.8 14.8 N EH013987
CK09F060 C2009 04 11.98858 00 42 13.59 +56 12 09.8 14.8 N EH013987
CK09F060 C2009 04 12.45503 00 46 11.48 +56 16 38.6 EH013367
CK09F060 C2009 04 12.45642 00 46 12.19 +56 16 39.0 EH013367
CK09F060 C2009 04 12.45781 00 46 12.86 +56 16 39.0 EH013367
CK09F060 C2009 04 12.45920 00 46 13.60 +56 16 40.7 12.0 T EH013367
CK09F060 C2009 04 12.48007 00 46 25.23 +56 16 52.0 13.5 N EH013H06
CK09F060 C2009 04 12.48495 00 46 27.71 +56 16 55.8 13.4 N EH013H06
CK09F060 C2009 04 12.93719 00 50 19.10 +56 20 45.1 14.8 N EH013987
CK09F060 C2009 04 12.93875 00 50 19.94 +56 20 46.4 14.9 N EH013987
CK09F060 C2009 04 12.94132 00 50 21.35 +56 20 47.0 14.8 N EH013987
CK09F060 C2009 04 12.97655 00 50 39.38 +56 21 04.6 13.2 N EH013945
CK09F060 C2009 04 12.97823 00 50 40.25 +56 21 03.6 13.1 N EH013945
CK09F060 C2009 04 12.97939 00 50 40.67 +56 21 05.8 13.2 N EH013945
CK09F060 C2009 04 12.98016 00 50 41.29 +56 21 05.4 13.2 N EH013945
CK09F060 C2009 04 13.05418 00 51 19.57 +56 21 43.0 13.2 T EH013114
CK09F060 C2009 04 13.05582 00 51 20.45 +56 21 43.7 13.4 T EH013114
CK09F060 C2009 04 13.05742 00 51 21.23 +56 21 44.6 13.3 T EH013114
CK09F060 C2009 04 13.05902 00 51 22.05 +56 21 45.4 13.3 T EH013114
CK09F060 C2009 04 13.06061 00 51 22.88 +56 21 46.1 13.1 T EH013114
CK09F060 C2009 04 13.13889 00 52 03.03 +56 22 21.7 EH013204
CK09F060 C2009 04 13.13973 00 52 03.41 +56 22 22.4 EH013204
CK09F060 C2009 04 13.14101 00 52 04.12 +56 22 22.6 13 N EH013204
CK09F060 C2009 04 13.82937 00 57 57.21 +56 27 11.3 13.4 N EH013B82
CK09F060 C2009 04 13.82992 00 57 57.47 +56 27 11.6 13.4 N EH013B82
CK09F060 C2009 04 13.83158 00 57 58.34 +56 27 12.3 13.4 N EH013B82
CK09F060 C2009 04 13.83525 00 58 00.22 +56 27 13.3 13.4 N EH013B82
CK09F060 C2009 04 14.81949 01 06 26.48 +56 32 28.9 13.3 N EH013213
CK09F060 C2009 04 14.82032 01 06 26.94 +56 32 29.4 13.3 N EH013213
CK09F060 C2009 04 14.82116 01 06 27.39 +56 32 29.3 13.3 N EH013213
CK09F060 C2009 04 14.85133 01 06 43.08 +56 32 36.2 13.2 N EH013B82
CK09F060 C2009 04 14.85468 01 06 44.84 +56 32 37.4 13.3 N EH013B82
CK09F060 C2009 04 14.85635 01 06 45.65 +56 32 37.4 13.2 N EH013B82
CK09F060 C2009 04 14.99672 01 07 58.21 +56 33 11.6 14.2 N EH013585
CK09F060 C2009 04 14.99826 01 07 59.00 +56 33 12.2 14.2 N EH013585
CK09F060 C2009 04 14.99904 01 07 59.49 +56 33 13.9 14.1 N EH013585
CK09F060 C2009 04 15.00458 01 08 02.29 +56 33 13.9 14.2 N EH013585
CK09F060 C2009 04 15.00670 01 08 03.47 +56 33 14.5 14.1 N EH013585
CK09F060 C2009 04 15.00797 01 08 04.11 +56 33 14.6 14.2 N EH013585
CK09F060 C2009 04 15.00882 01 08 04.54 +56 33 14.7 14.2 N EH013585
CK09F060 C2009 04 15.00966 01 08 04.91 +56 33 15.2 14.2 N EH013585
CK09F060 C2009 04 15.01008 01 08 05.14 +56 33 15.7 14.1 N EH013585
CK09F060 C2009 04 15.79988 01 14 51.52 +56 35 48.3 11.0 T EH013349
CK09F060 C2009 04 15.80086 01 14 51.96 +56 35 49.0 EH013349
CK09F060 C2009 04 15.83444 01 15 08.56 +56 35 51.7 13.2 N EH013B82
CK09F060 C2009 04 15.83618 01 15 09.45 +56 35 51.0 13.3 N EH013B82
CK09F060 C2009 04 15.83813 01 15 10.40 +56 35 53.0 13.3 N EH013B82
CK09F060 C2009 04 15.96940 01 16 18.22 +56 36 08.2 15.7 N EH013510
CK09F060 C2009 04 15.97321 01 16 20.14 +56 36 09.1 15.5 N EH013510
CK09F060 C2009 04 15.97702 01 16 22.11 +56 36 09.5 15.7 N EH013510
CK09F060 C2009 04 16.87351 01 24 01.55 +56 37 12.3 13.3 N EH013945
CK09F060 C2009 04 16.87441 01 24 01.90 +56 37 11.0 13.4 N EH013945
CK09F060 C2009 04 16.87633 01 24 02.95 +56 37 11.9 13.4 N EH013945
CK09F060 C2009 04 16.87715 01 24 03.30 +56 37 11.3 13.4 N EH013945
CK09F060 C2009 04 16.87848 01 24 04.08 +56 37 11.8 13.4 N EH013945
CK09F060 C2009 04 17.78559 01 31 47.73 +56 36 38.0 EH013367
CK09F060 C2009 04 17.78698 01 31 48.45 +56 36 37.7 EH013367
CK09F060 C2009 04 17.78837 01 31 49.09 +56 36 37.7 11.8 T EH013367
Observer details:
114 Engelhardt Observatory, Zelenchukskaya Station. Observers T. Kryachko,
B. Satovski. Measurer T. Kryachko. 0.3-m f/7.7 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/5 Schmidt-Cassegrain + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
510 Siegen. Observers M. Jung, H. Bill. Measurer H. Bill. 0.30-m f/5
reflector + CCD.
585 Kiev comet station. Observers A. Baransky, V. Ponomarenko. Measurer
A. Baransky. 0.7-m f/4 reflector + CCD.
945 Observatorio Monte Deva. Observer J. R. Vidal. 0.36-m f/4.48
Schmidt-Cassegrain + CCD.
987 Isle of Man Observatory, Foxdale. Observer D. Storey. 0.4-m
Schmidt-Cassegrain + CCD.
A91 Hankasalmi Observatory. Observer A. Oksanen. 0.40-m f/8.4
Ritchey-Chretien + CCD.
B82 Maidbronn. Observer B. Haeusler. 0.30-m Schmidt-Cassegrain + CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero, P. Camilleri.
0.25-m f/3.4 reflector + CCD.
Orbital elements:
C/2009 F6 (Yi-SWAN)
T 2009 May 7.370 TT MPC
q 1.27477 (2000.0) P Q
Peri. 129.716 -0.040051 -0.162758
Node 278.673 +0.282294 +0.944607
e 1.0 Incl. 85.754 +0.958491 -0.285006
From 200 observations 2009 Apr. 6-17.
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 1.765 1.345 49.2 34.3 8.5
2009 04 14 00 59.41 +56 28.3 1.775 1.323 47.5 34.0 8.5
2009 04 19 01 42.04 +56 33.4 1.795 1.305 45.5 33.3 8.4
2009 04 24 02 22.81 +55 51.8 1.825 1.291 43.2 32.2 8.4
2009 04 29 03 00.12 +54 30.9 1.864 1.281 40.7 30.8 8.4
2009 05 04 03 33.22 +52 40.4 1.909 1.276 38.0 29.1 8.5
2009 05 09 04 02.04 +50 29.5 1.960 1.275 35.2 27.1 8.5
2009 05 14 04 26.98 +48 06.2 2.014 1.279 32.2 24.9 8.6
2009 05 19 04 48.57 +45 36.4 2.072 1.287 29.2 22.5 8.7
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-H13
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