MPEC 2009-Q72 : COMET C/2009 O4 (HILL)
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M.P.E.C. 2009-Q72 Issued 2009 Aug. 29, 18:27 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 O4 (HILL)
Observations:
CK09O040 C2009 08 13.73981 00 27 24.69 +02 10 04.6 15.7 T EQ072349
CK09O040 C2009 08 13.74102 00 27 24.63 +02 10 03.0 EQ072349
CK09O040 C2009 08 16.38961 00 25 43.43 +00 57 30.8 15.9 N EQ072H10
CK09O040 C2009 08 20.02013 00 23 05.02 -00 48 14.6 16.0 N EQ072204
CK09O040 C2009 08 20.09927 00 23 01.21 -00 50 37.6 EQ072204
CK09O040 C2009 08 20.14711 00 22 58.73 -00 52 01.4 15.4 T EQ072J75
CK09O040 C2009 08 20.16756 00 22 57.77 -00 52 38.9 15.5 T EQ072J75
CK09O040 C2009 08 20.18804 00 22 56.86 -00 53 16.8 15.5 T EQ072J75
CK09O040 C2009 08 20.96366 00 22 20.00 -01 16 54.6 16.5 N EQ072585
CK09O040 C2009 08 20.97578 00 22 19.33 -01 17 15.8 16.5 N EQ072585
CK09O040 C2009 08 20.97733 00 22 19.29 -01 17 18.7 16.4 N EQ072585
CK09O040 C2009 08 20.97771 00 22 19.29 -01 17 19.9 16.5 N EQ072585
CK09O040 C2009 08 20.97809 00 22 19.24 -01 17 20.1 16.5 N EQ072585
CK09O040 C2009 08 20.97925 00 22 19.20 -01 17 22.3 16.5 N EQ072585
CK09O040 C2009 08 20.97964 00 22 19.14 -01 17 23.5 16.4 N EQ072585
CK09O040 C2009 08 20.99157 00 22 18.54 -01 17 45.5 16.2 N EQ072585
CK09O040 C2009 08 20.99370 00 22 18.47 -01 17 48.8 16.5 N EQ072585
CK09O040 C2009 08 20.99509 00 22 18.44 -01 17 51.2 16.7 N EQ072585
CK09O040 C2009 08 20.99553 00 22 18.39 -01 17 51.7 16.6 N EQ072585
CK09O040 C2009 08 21.14036 00 22 11.02 -01 22 15.4 15.4 T EQ072J75
CK09O040 C2009 08 21.16082 00 22 10.04 -01 22 53.7 15.3 T EQ072J75
CK09O040 C2009 08 21.18135 00 22 09.04 -01 23 32.2 15.5 T EQ072J75
CK09O040 C2009 08 22.96645 00 20 39.03 -02 19 15.6 16.1 N EQ072213
CK09O040 C2009 08 22.96752 00 20 38.97 -02 19 17.7 16.0 N EQ072213
CK09O040 C2009 08 22.96912 00 20 38.91 -02 19 21.0 16.1 N EQ072213
CK09O040 C2009 08 23.01991 00 20 36.09 -02 20 58.0 16.9 N EQ072B18
CK09O040 C2009 08 23.02130 00 20 36.02 -02 21 00.4 16.7 N EQ072B18
CK09O040 C2009 08 23.02269 00 20 35.95 -02 21 03.3 16.9 N EQ072B18
CK09O040 C2009 08 23.02963 00 20 35.56 -02 21 16.3 16.8 N EQ072B18
CK09O040 C2009 08 23.03102 00 20 35.48 -02 21 19.1 16.7 N EQ072B18
CK09O040 C2009 08 23.05350 00 20 34.43 -02 22 00.8 16.8 N EQ072J59
CK09O040 C2009 08 23.07484 00 20 33.29 -02 22 42.0 16.9 N EQ072J59
CK09O040 C2009 08 23.09313 00 20 32.32 -02 23 16.5 16.1 N EQ072J59
CK09O040 C2009 08 23.10251 00 20 31.76 -02 23 35.5 16.1 N EQ072945
CK09O040 C2009 08 23.10529 00 20 31.54 -02 23 41.4 16.1 N EQ072945
CK09O040 C2009 08 23.10826 00 20 31.50 -02 23 46.4 16.2 N EQ072945
CK09O040 C2009 08 23.11439 00 20 31.14 -02 23 58.1 16.0 N EQ072945
CK09O040 C2009 08 23.12368 00 20 30.68 -02 24 14.8 16.1 N EQ072945
CK09O040 C2009 08 23.29563 00 20 21.77 -02 29 42.9 15.8 N EQ072H45
CK09O040 C2009 08 23.29737 00 20 21.67 -02 29 46.4 15.7 N EQ072H45
CK09O040 C2009 08 23.29879 00 20 21.59 -02 29 49.0 15.6 N EQ072H45
CK09O040 C2009 08 23.30012 00 20 21.51 -02 29 51.6 15.8 N EQ072H45
CK09O040 C2009 08 23.30109 00 20 21.46 -02 29 53.3 15.8 N EQ072H45
CK09O040 C2009 08 23.30205 00 20 21.41 -02 29 55.3 15.8 N EQ072H45
CK09O040 C2009 08 23.30286 00 20 21.37 -02 29 56.7 15.7 N EQ072H45
CK09O040 C2009 08 23.33750 00 20 19.54 -02 31 02.3 17.2 N EQ072H10
CK09O040 C2009 08 23.36429 00 20 18.07 -02 31 53.8 16.7 N EQ072H10
CK09O040 C2009 08 23.37880 00 20 17.27 -02 32 21.8 17.3 N EQ072H10
CK09O040 C2009 08 23.41315 00 20 15.29 -02 33 27.1 16.3 N EQ072H47
CK09O040 C2009 08 23.41873 00 20 14.99 -02 33 37.6 16.2 N EQ072H47
CK09O040 C2009 08 23.42413 00 20 14.71 -02 33 48.2 16.3 N EQ072H47
CK09O040 C2009 08 24.28971 00 19 28.43 -03 01 37.1 16.3 N EQ072H45
CK09O040 C2009 08 24.29088 00 19 28.34 -03 01 39.2 16.4 N EQ072H45
CK09O040 C2009 08 24.29192 00 19 28.31 -03 01 41.4 16.4 N EQ072H45
CK09O040 C2009 08 24.29326 00 19 28.22 -03 01 43.9 16.3 N EQ072H45
CK09O040 C2009 08 24.29424 00 19 28.17 -03 01 45.9 16.4 N EQ072H45
CK09O040 C2009 08 24.29696 00 19 28.01 -03 01 51.3 16.2 N EQ072H45
CK09O040 C2009 08 24.29785 00 19 27.97 -03 01 52.8 16.3 N EQ072H45
CK09O040 C2009 08 24.39513 00 19 22.48 -03 05 01.0 16.2 N EQ072H47
CK09O040 C2009 08 24.40138 00 19 22.08 -03 05 13.3 15.5 N EQ072H47
CK09O040 C2009 08 24.68919 00 19 06.44 -03 14 34.8 EQ072900
CK09O040 C2009 08 24.69259 00 19 06.25 -03 14 41.4 15.5 N EQ072900
CK09O040 C2009 08 25.94226 00 17 55.87 -03 55 46.0 17.1 N EQ072585
CK09O040 C2009 08 25.94507 00 17 55.75 -03 55 51.4 17.3 N EQ072585
CK09O040 C2009 08 25.94784 00 17 55.54 -03 55 57.1 17.1 N EQ072585
CK09O040 C2009 08 25.94869 00 17 55.50 -03 55 59.2 17.2 N EQ072585
CK09O040 C2009 08 25.95072 00 17 55.42 -03 56 01.9 15.9 N EQ072A71
CK09O040 C2009 08 25.95301 00 17 55.28 -03 56 06.8 15.9 N EQ072A71
CK09O040 C2009 08 25.95416 00 17 55.21 -03 56 09.0 15.9 N EQ072A71
CK09O040 C2009 08 25.95534 00 17 55.11 -03 56 11.8 15.8 N EQ072A71
CK09O040 C2009 08 25.95763 00 17 55.05 -03 56 16.3 16.0 N EQ072A71
CK09O040 C2009 08 26.00819 00 17 52.08 -03 57 57.4 15.8 N EQ072945
CK09O040 C2009 08 26.01134 00 17 51.90 -03 58 03.7 15.9 N EQ072945
CK09O040 C2009 08 26.01774 00 17 51.51 -03 58 15.9 15.9 N EQ072945
CK09O040 C2009 08 26.01924 00 17 51.44 -03 58 20.1 16.0 N EQ072945
CK09O040 C2009 08 26.02074 00 17 51.33 -03 58 22.1 15.9 N EQ072945
CK09O040 C2009 08 26.08380 00 17 47.70 -04 00 26.5 16.0 N EQ072J47
CK09O040 C2009 08 26.08987 00 17 47.33 -04 00 38.8 16.1 N EQ072J47
CK09O040 C2009 08 26.09706 00 17 46.88 -04 00 52.6 16.0 N EQ072J47
CK09O040 C2009 08 26.63152 00 17 15.87 -04 18 43.0 15.2 T EQ072349
CK09O040 C2009 08 26.63405 00 17 15.74 -04 18 47.8 EQ072349
CK09O040 C2009 08 26.63656 00 17 15.56 -04 18 53.2 EQ072349
CK09O040 C2009 08 26.64394 00 17 15.13 -04 19 03.3 14.9 T EQ072D90
CK09O040 C2009 08 26.64585 00 17 15.01 -04 19 07.0 EQ072D90
CK09O040 C2009 08 26.64776 00 17 14.91 -04 19 10.8 EQ072D90
CK09O040 C2009 08 27.02787 00 16 52.49 -04 32 02.6 16.8 N EQ072J59
CK09O040 C2009 08 27.04163 00 16 51.61 -04 32 30.3 16.7 N EQ072J59
CK09O040 C2009 08 27.05564 00 16 50.79 -04 32 58.0 16.7 N EQ072J59
CK09O040 C2009 08 27.06711 00 16 50.07 -04 33 22.1 15.9 N EQ072945
CK09O040 C2009 08 27.06947 00 16 50.09 -04 33 26.8 15.9 N EQ072945
CK09O040 C2009 08 27.07089 00 16 49.82 -04 33 30.6 16.0 N EQ072945
CK09O040 C2009 08 27.07374 00 16 49.81 -04 33 35.6 15.9 N EQ072945
CK09O040 C2009 08 27.07515 00 16 49.55 -04 33 38.0 16.0 N EQ072945
CK09O040 C2009 08 27.23542 00 16 40.21 -04 39 02.0 15.7 T EQ072H10
CK09O040 C2009 08 27.23717 00 16 40.13 -04 39 05.2 EQ072H10
CK09O040 C2009 08 27.23805 00 16 40.08 -04 39 07.0 EQ072H10
CK09O040 C2009 08 27.28783 00 16 37.00 -04 40 48.2 16.2 N EQ072H45
CK09O040 C2009 08 27.28899 00 16 36.94 -04 40 50.8 16.3 N EQ072H45
CK09O040 C2009 08 27.29060 00 16 36.84 -04 40 54.3 16.3 N EQ072H45
CK09O040 C2009 08 27.29197 00 16 36.72 -04 40 56.7 16.2 N EQ072H45
CK09O040 C2009 08 27.29344 00 16 36.65 -04 40 59.6 16.3 N EQ072H45
CK09O040 C2009 08 27.29475 00 16 36.56 -04 41 02.2 15.5 T EQ072H45
CK09O040 C2009 08 27.29619 00 16 36.48 -04 41 05.3 15.4 T EQ072H45
CK09O040 C2009 08 27.39295 00 16 30.50 -04 44 21.4 16.2 N EQ072H47
CK09O040 C2009 08 27.40155 00 16 29.97 -04 44 39.0 16.3 N EQ072H47
CK09O040 C2009 08 27.41297 00 16 29.32 -04 45 02.0 16.5 N EQ072H47
CK09O040 C2009 08 28.05360 00 15 50.70 -05 06 48.7 16.1 N EQ072J51
CK09O040 C2009 08 28.05981 00 15 50.31 -05 07 01.5 16.1 N EQ072J51
CK09O040 C2009 08 28.06341 00 15 49.98 -05 07 10.7 16.1 N EQ072B74
CK09O040 C2009 08 28.06582 00 15 49.82 -05 07 15.8 16.2 N EQ072B74
CK09O040 C2009 08 28.06602 00 15 49.92 -05 07 14.2 16.0 N EQ072J51
CK09O040 C2009 08 28.06815 00 15 49.66 -05 07 20.2 16.2 N EQ072B74
CK09O040 C2009 08 28.61156 00 15 16.44 -05 25 51.5 EQ072D25
CK09O040 C2009 08 28.61560 00 15 16.17 -05 25 59.9 EQ072D25
CK09O040 C2009 08 28.61829 00 15 15.99 -05 26 05.4 EQ072D25
CK09O040 C2009 08 29.02533 00 14 50.48 -05 40 12.6 16.1 N EQ072J51
CK09O040 C2009 08 29.02885 00 14 50.26 -05 40 19.6 16.1 N EQ072J51
CK09O040 C2009 08 29.03149 00 14 50.09 -05 40 24.7 16.1 N EQ072J51
Observer details:
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/10 Schmidt-Cassegrain + 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.
945 Observatorio Monte Deva. Observer J. R. Vidal. 0.36-m f/4.48
Schmidt-Cassegrain + CCD.
A71 Stixendorf. Observer M. Jaeger. Measurer W. Vollmann. 0.30-m f/3.3
reflector + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev. Measurer M. Andreev. 0.6-m
f/13 reflector + CCD.
B74 Santa Maria de Montmagastrell. Observer J. M. Bosch. 0.31-m f/4.9
Newtonian reflector + CCD.
D25 Tzec Maun Observatory, Pingelly. Observer D. Chestnov. 0.15-m f/7.3
refractor + CCD.
D90 RAS Observatory, Moorook. Observer H. Sato. 0.25-m f/6 Ritchey-Chretien
+ CCD.
H10 Tzec Maun Observatory, Mayhill. Observers S. Beck, J. Linder, D. Chestnov.
Measurer J. Linder. 0.10-m f/5 refractor + CCD, 0.41-m f/9
Ritchey-Chretien + CCD.
H45 Arkansas Sky Obs., Petit Jean Mountain South. Observer P. C. Sherrod.
0.51-m f/4.3 astrograph + CCD.
H47 Vicksburg. Observer C. Bell. 0.3-m f/4.7 Schmidt-Cassegrain + CCD.
J47 Observatorio Nazaret. Observer G. Muler. 0.30-m Schmidt-Cassegrain + CCD.
J51 Observatorio Atlante, Tenerife. Observer J. A. Henriquez. 0.2-m f/9
Cassegrain + CCD.
J59 Observatorio Linceo, Santander. Observer J. Temprano. 0.25-m f/3.3
Schmidt-Cassegrain + CCD.
J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, R. Stoss,
W. K. Y. Yeung, J. Rodriguez, A. Cikota, S. Cikota. 0.45-m f/2.8
reflector + CCD.
Orbital elements:
C/2009 O4 (Hill)
T 2010 Jan. 1.3377 TT MPC
q 2.563380 (2000.0) P Q
Peri. 223.7467 +0.7083106 -0.6952112
Node 172.9339 +0.1284008 +0.2973666
e 1.0 Incl. 95.8075 -0.6941249 -0.6544116
From 396 observations 2009 July 30-Aug. 29.
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-Q72
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