MPEC 2009-G21 : COMET C/2009 F6 (YI-SWAN)
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M.P.E.C. 2009-G21 Issued 2009 Apr. 7, 13:11 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 06.20771 23 54 17.90 +54 42 26.3 14.5 T EG021493
CK09F060 C2009 04 06.21259 23 54 20.25 +54 42 32.4 14.4 T EG021493
CK09F060 C2009 04 06.21308 23 54 20.47 +54 42 32.7 14.5 T EG021493
CK09F060 C2009 04 06.21357 23 54 20.66 +54 42 33.5 14.2 T EG021493
CK09F060 C2009 04 06.21406 23 54 20.96 +54 42 34.3 14.6 T EG021493
CK09F060 C2009 04 06.45823 23 56 18.14 +54 47 35.9 13.8 T EG021H06
CK09F060 C2009 04 06.46381 23 56 20.92 +54 47 44.3 14.0 T EG021H06
CK09F060 C2009 04 06.46446 23 56 21.08 +54 47 44.1 13.9 T EG021H06
CK09F060 C2009 04 06.46935 23 56 23.36 +54 47 49.8 13.8 T EG021H06
CK09F060 C2009 04 06.48495 23 56 31.14 +54 48 08.4 13.7 T EG021H06
CK09F060 C2009 04 06.69785 23 58 12.89 +54 52 24.1 12.0 T EG021114
CK09F060 C2009 04 06.69972 23 58 13.81 +54 52 26.6 12.1 T EG021114
CK09F060 C2009 04 06.70137 23 58 14.61 +54 52 28.2 12.1 T EG021114
CK09F060 C2009 04 06.70296 23 58 15.41 +54 52 30.3 12.1 T EG021114
CK09F060 C2009 04 06.70461 23 58 16.17 +54 52 32.2 12.1 T EG021114
CK09F060 C2009 04 06.70625 23 58 17.01 +54 52 34.3 12.1 T EG021114
CK09F060 C2009 04 06.70796 23 58 17.81 +54 52 36.2 12.1 T EG021114
CK09F060 C2009 04 06.70959 23 58 18.61 +54 52 38.2 12.0 T EG021114
CK09F060 C2009 04 06.71124 23 58 19.40 +54 52 40.2 12.1 T EG021114
CK09F060 C2009 04 06.71292 23 58 20.20 +54 52 42.2 12.0 T EG021114
CK09F060 C2009 04 06.77483 23 58 50.08 +54 53 56.5 12.7 T EG021235
CK09F060 C2009 04 06.77683 23 58 51.85 +54 53 59.9 EG021900
CK09F060 C2009 04 06.77945 23 58 52.30 +54 54 02.2 12.7 T EG021235
CK09F060 C2009 04 06.78070 23 58 53.73 +54 54 04.7 13.7 N EG021900
CK09F060 C2009 04 06.79335 23 58 59.13 +54 54 17.8 13.9 T EG021595
CK09F060 C2009 04 06.79473 23 58 59.75 +54 54 19.7 13.7 T EG021595
CK09F060 C2009 04 06.79816 23 59 01.45 +54 54 23.7 13.1 N EG021213
CK09F060 C2009 04 06.79933 23 59 01.95 +54 54 25.3 13.1 N EG021213
CK09F060 C2009 04 06.80162 23 59 03.04 +54 54 28.3 13.5 T EG021595
CK09F060 C2009 04 06.80167 23 59 03.09 +54 54 28.4 13.1 N EG021213
CK09F060 C2009 04 06.80936 23 59 06.91 +54 54 36.7 11.3 T EG021587
CK09F060 C2009 04 06.81041 23 59 07.44 +54 54 37.3 EG021587
CK09F060 C2009 04 06.81125 23 59 07.74 +54 54 38.8 13.2 T EG021595
CK09F060 C2009 04 06.81135 23 59 07.88 +54 54 39.0 EG021587
CK09F060 C2009 04 06.81270 23 59 08.56 +54 54 41.4 EG021587
CK09F060 C2009 04 06.82881 23 59 16.35 +54 54 59.5 EG021204
CK09F060 C2009 04 06.83196 23 59 17.86 +54 55 03.0 EG021204
CK09F060 C2009 04 06.84729 23 59 25.31 +54 55 21.3 13.0 N EG021204
CK09F060 C2009 04 06.86921 23 59 36.26 +54 55 48.1 EG021B42
CK09F060 C2009 04 06.87531 23 59 39.25 +54 55 53.4 13.5 T EG021B42
CK09F060 C2009 04 06.87787 23 59 40.48 +54 55 57.8 EG021B42
CK09F060 C2009 04 06.91701 23 59 59.19 +54 56 42.7 14.4 N EG021J41
CK09F060 C2009 04 06.91797 23 59 59.69 +54 56 44.1 14.4 N EG021J41
CK09F060 C2009 04 06.92390 00 00 02.51 +54 56 51.2 14.2 N EG021J41
CK09F060 C2009 04 06.92499 00 00 03.07 +54 56 53.4 14.4 N EG021J41
CK09F060 C2009 04 07.05619 00 01 07.18 +54 59 27.5 12.0 T EG021114
CK09F060 C2009 04 07.05782 00 01 08.02 +54 59 29.3 12.1 T EG021114
CK09F060 C2009 04 07.05947 00 01 08.79 +54 59 31.1 12.2 T EG021114
CK09F060 C2009 04 07.06113 00 01 09.68 +54 59 32.5 12.3 T EG021114
CK09F060 C2009 04 07.06270 00 01 10.24 +54 59 33.8 14.1 T EG021A17
CK09F060 C2009 04 07.06281 00 01 10.42 +54 59 35.0 12.2 T EG021114
CK09F060 C2009 04 07.06455 00 01 11.27 +54 59 37.1 12.0 T EG021114
CK09F060 C2009 04 07.06618 00 01 12.04 +54 59 39.2 12.0 T EG021114
CK09F060 C2009 04 07.06780 00 01 12.86 +54 59 41.0 12.0 T EG021114
CK09F060 C2009 04 07.06943 00 01 13.64 +54 59 42.8 12.1 T EG021114
CK09F060 C2009 04 07.07001 00 01 13.81 +54 59 42.1 14.2 T EG021A17
CK09F060 C2009 04 07.07448 00 01 15.94 +54 59 47.6 14.2 T EG021A17
CK09F060 C2009 04 07.07755 00 01 17.53 +54 59 51.0 14.1 T EG021A17
CK09F060 C2009 04 07.43484 00 04 10.73 +55 06 38.7 EG021367
CK09F060 C2009 04 07.44144 00 04 14.13 +55 06 46.7 EG021367
CK09F060 C2009 04 07.44734 00 04 16.92 +55 06 52.9 12.3 T EG021367
CK09F060 C2009 04 07.47967 00 04 33.76 +55 07 29.5 13.4 T EG021H06
CK09F060 C2009 04 07.48591 00 04 36.65 +55 07 36.8 13.5 T EG021H06
Observer details:
114 Engelhardt Observatory, Zelenchukskaya Station. Observers T. Kryachko,
S. Korotkiy, 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.
235 CAST Observatory, Talmassons. Observers R. Ligustri, P. Beltrame. 0.35-m
f/6 reflector + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
587 Sormano. Observers F. Manca, A. Testa. Measurer F. Manca. 0.5-m f/6.8
reflector + CCD.
595 Farra d'Isonzo. Observers L. Bittesini, D. Di Maria, E. Pettarin,
F. Piani. Measurers D. Di Maria, E. Pettarin. 0.30-m f/4.5 reflector
+ CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
B42 Vitebsk. Observer V. Nevski. 0.3-m f/5.0 reflector + CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero, P. Camilleri.
0.25-m f/3.4 reflector + CCD.
J41 Raheny. Observers D. Grennan, C. O'Beirnes. Measurer D. Grennan. 0.36-m
f/4.6 Schmidt-Cassegrain + CCD.
Orbital elements:
C/2009 F6 (Yi-SWAN)
T 2009 May 8.056 TT MPC
q 1.26991 (2000.0) P Q
Peri. 130.432 -0.044570 -0.165890
Node 278.927 +0.293971 +0.940278
e 1.0 Incl. 85.724 +0.954774 -0.297252
From 63 observations 2009 Apr. 6-7.
Ephemeris:
C/2009 F6 (Yi-SWAN)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2009 03 30 23 00.60 +51 32.8 1.780 1.401 51.7 34.0 8.7
2009 04 09 00 17.06 +55 33.7 1.764 1.344 49.2 34.3 8.5
2009 04 19 01 42.16 +56 33.3 1.793 1.303 45.5 33.3 8.4
2009 04 29 03 00.43 +54 29.8 1.859 1.277 40.7 30.9 8.4
2009 05 09 04 02.51 +50 26.3 1.954 1.270 35.2 27.2 8.5
2009 05 19 04 49.13 +45 30.6 2.066 1.281 29.2 22.6 8.7
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-G21
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