MPEC 2009-Y12 : COMET C/2009 U3 (HILL)
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M.P.E.C. 2009-Y12 Issued 2009 Dec. 16, 18:26 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 U3 (HILL)
Observations:
CK09U030 C2009 11 05.98680 03 26 02.27 +19 15 55.5 17.9 N EY012473
CK09U030 C2009 11 05.98958 03 26 01.95 +19 15 58.5 17.9 N EY012473
CK09U030 C2009 11 26.89992 02 35 44.56 +26 23 03.3 17.4 N EY012585
CK09U030 C2009 11 26.90154 02 35 44.22 +26 23 06.5 17.4 N EY012585
CK09U030 C2009 11 26.90301 02 35 43.98 +26 23 08.0 17.4 N EY012585
CK09U030 C2009 11 26.90448 02 35 43.78 +26 23 10.2 17.3 N EY012585
CK09U030 C2009 12 06.62972 02 09 14.69 +29 37 02.0 16.6 T EY012349
CK09U030 C2009 12 06.63194 02 09 14.36 +29 37 04.7 EY012349
CK09U030 C2009 12 08.72314 02 03 41.06 +30 16 30.3 18.9 T EY012104
CK09U030 C2009 12 08.73332 02 03 39.47 +30 16 41.8 19.1 T EY012104
CK09U030 C2009 12 08.73935 02 03 38.51 +30 16 48.8 18.7 T EY012104
CK09U030 C2009 12 09.19645 02 02 26.04 +30 25 19.5 18.4 T EY012704
CK09U030 C2009 12 09.20906 02 02 24.00 +30 25 34.0 18.6 T EY012704
CK09U030 C2009 12 09.22169 02 02 22.04 +30 25 48.9 18.6 T EY012704
CK09U030 C2009 12 09.23434 02 02 19.97 +30 26 03.4 18.3 T EY012704
CK09U030 C2009 12 09.24699 02 02 17.95 +30 26 16.8 18.4 T EY012704
CK09U030 C2009 12 09.89087 02 00 36.95 +30 38 09.8 18.1 N EY012160
CK09U030 C2009 12 09.89289 02 00 36.62 +30 38 11.9 18.3 N EY012160
CK09U030 C2009 12 09.89492 02 00 36.29 +30 38 14.1 18.2 N EY012160
CK09U030 C2009 12 10.87816 01 58 03.54 +30 56 14.4 18.1 N EY012J01
CK09U030 C2009 12 10.89050 01 58 01.64 +30 56 27.7 17.4 N EY012J01
CK09U030 C2009 12 10.90361 01 57 59.56 +30 56 42.6 18.0 N EY012J01
CK09U030 C2009 12 11.11701 01 57 26.87 +31 00 35.9 EY012H06
CK09U030 C2009 12 11.11930 01 57 26.51 +31 00 38.0 EY012H06
CK09U030 C2009 12 11.12159 01 57 26.13 +31 00 40.3 17.8 T EY012H06
CK09U030 C2009 12 11.87853 01 55 29.74 +31 14 21.0 17.3 N EY012B83
CK09U030 C2009 12 11.88995 01 55 28.02 +31 14 33.0 17.4 N EY012B83
CK09U030 C2009 12 12.03969 01 55 04.82 +31 17 15.3 18.2 N EY012J10
CK09U030 C2009 12 12.04889 01 55 03.37 +31 17 23.3 18.5 N EY012J10
CK09U030 C2009 12 12.80581 01 53 09.26 +31 30 56.9 17.8 N EY012J01
CK09U030 C2009 12 12.81354 01 53 08.03 +31 31 05.1 18.1 N EY012J01
CK09U030 C2009 12 12.82129 01 53 06.91 +31 31 13.7 18.1 N EY012J01
CK09U030 C2009 12 12.88586 01 52 56.86 +31 32 21.4 17.7 N EY012235
CK09U030 C2009 12 13.61033 01 51 08.16 +31 45 12.3 17.4 T EY012900
CK09U030 C2009 12 13.61746 01 51 07.00 +31 45 18.0 EY012900
CK09U030 C2009 12 14.73832 01 48 21.84 +32 04 56.5 EY012B96
CK09U030 C2009 12 14.74137 01 48 21.56 +32 05 03.4 EY012B96
CK09U030 C2009 12 14.74591 01 48 20.98 +32 05 07.1 17.6 N EY012B96
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli, M. Mazzucato,
E. Tognelli. Measurer L. Tesi. 0.60-m f/4 reflector + CCD.
160 Castelmartini. Observers P. Camilleri, E. Guido, M. Jaeger, E. Prosperi,
G. Sostero, W. Vollmann. Measurer E. Prosperi. 0.35-m f/10
Schmidt-Cassegrain + CCD.
235 CAST Observatory, Talmassons. Observer R. Ligustri. 0.35-m f/6 reflector
+ CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
473 Remanzacco. Observers L. Donato, V. Gonano, E. Guido, V. Santini,
G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
585 Kiev comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler. 1.0-m f/2.15 reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
B83 Gieres. Observer T. Noel. 0.20-m f/5.0 reflector + CCD.
B96 Brixiis Observatory, Kruibeke. Observer E. Bryssinck. 0.4-m f/3.8
astrograph + CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.25-m f/3.4 reflector + CCD.
J01 Observatorio Cielo Profundo, Oviedo. Observer J. Gonzalez. 0.20-m f/7
Schmidt-Cassegrain + CCD.
J10 Alicante. Observer M. Rodriguez de Viguri. 0.20-m f/5 reflector + CCD.
Orbital elements:
C/2009 U3 (Hill)
Epoch 2010 Mar. 25.0 TT = JDT 2455280.5
T 2010 Mar. 20.25459 TT MPC
q 1.4144367 (2000.0) P Q
z +0.0059348 Peri. 77.70134 -0.32485711 -0.73793660
+/-0.0000650 Node 49.32222 +0.21071145 -0.66621269
e 0.9916056 Incl. 51.26012 +0.92199162 -0.10775077
Residuals in seconds of arc
091021 703 0.5- 1.5+ 091027 349 0.7+ 0.4- 091122 J51 0.7+ 0.4+
091021 703 1.0- 0.6+ 091028 372 0.4+ 0.6- 091122 J51 0.5+ 0.1+
091021 703 0.2- 0.7+ 091028 372 0.0 1.5+ 091122 J51 0.7+ 0.1-
091021 703 1.8- 1.2- 091028 A79 0.4+ 0.4+ 091122 704 0.4+ 0.3-
091021 703 1.1- 0.4- 091028 A79 0.2- 1.1+ 091122 704 0.2+ 1.2+
091021 703 1.0- 0.3+ 091028 A79 0.7+ 0.8+ 091122 704 0.3- 0.0
091021 703 1.0- 1.0+ 091028 A79 0.5+ 0.4- 091122 704 0.5+ 0.3-
091021 703 0.9- 0.8- 091029 215 0.4+ 0.1+ 091122 704 0.5+ 1.4+
091021 703 0.6- 0.4+ 091029 215 0.4+ 0.6+ 091122 J01 0.1- 0.0
091021 703 0.2+ 1.4+ 091029 215 0.4+ 1.3+ 091122 J01 0.2+ 0.1+
091021 703 0.4- 0.6+ 091029 473 0.3- 0.3+ 091122 J01 0.2+ 0.1+
091021 703 0.4- 0.6+ 091030 213 0.1+ 0.7+ 091124 J53 0.3- 0.7+
091021 900 1.6+ 0.0 091030 213 0.2+ 0.5+ 091124 J53 0.6- 0.4+
091021 900 0.4- 1.0- 091031 473 0.1+ 0.1+ 091124 J53 0.8- 0.1+
091021 900 0.1+ 0.7- 091031 473 0.2- 0.0 091125 H45 0.6- 0.1+
091021 E16 1.3+ 0.3+ 091103 473 0.1- 0.3+ 091125 H45 0.1- 0.4+
091021 E16 1.3+ 0.1+ 091103 473 0.1+ 0.1+ 091125 H45 0.4+ 0.1-
091021 E16 1.1+ 1.0- 091104 473 0.1- 0.3+ 091125 H45 0.1+ 0.7+
091021 300 0.6+ 0.2- 091104 473 0.2+ 0.2- 091125 H45 0.4+ 0.2+
091021 300 0.6+ 0.1+ 091105 H36 0.0 0.1- 091125 H45 0.1- 0.2-
091021 300 0.5+ 0.0 091105 H36 0.0 0.1- 091125 H10 0.1- 1.0+
091021 300 0.9+ 0.1- 091105 H36 0.6+ 0.7- 091125 H10 0.1+ 0.2-
091022 703 0.1+ 1.1- 091105 349 0.0 0.5+ 091126 I10 1.0+ 0.1+
091022 703 1.5+ 0.8+ 091105 349 0.5+ 0.2+ 091126 I10 1.2- 0.0
091022 703 0.5- 0.4+ 091105 B74 0.7- 0.7+ 091126 I10 0.0 0.1+
091022 703 0.4- 0.5+ 091105 B74 1.1- 0.1+ 091126 I10 0.2- 1.2+
091022 926 0.2+ 0.3+ 091105 B74 0.7- 0.8+ 091126 I10 0.7+ 1.6+
091022 G96 0.2+ 0.4- 091105 473 0.1- 0.2+ 091126 I10 0.1- 0.4+
091022 926 0.3+ 0.7- 091105 473 0.1+ 0.0 091126 703 (0.6+ 3.7-)
091022 926 0.3+ 0.3+ 091106 A77 0.4- 0.1- 091126 703 0.4+ 0.9-
091022 G96 0.4- 0.5- 091106 A77 1.0+ 0.1- 091126 703 1.7+ 1.6-
091022 G96 0.9- 0.5- 091106 A77 0.2- 0.3+ 091126 703 (0.8+ 3.3-)
091022 G96 0.0 0.3- 091106 B18 0.4+ 0.1+ 091126 703 (0.6+ 3.5-)
091022 G96 0.1- 0.3- 091106 B18 0.7+ 0.0 091126 G96 0.2+ 1.2-
091022 G96 0.6- 0.7- 091106 B18 0.7+ 0.5- 091126 G96 (0.7+ 2.1-)
091022 G96 0.1- 0.4- 091106 B18 0.6+ 0.2+ 091126 G96 0.3+ 0.8-
091022 G96 0.5- 0.6- 091106 B18 0.3+ 0.2+ 091126 G96 0.5+ 1.3-
091022 H10 1.7+ 1.3- 091107 B18 1.9+ 0.0 091126 G96 0.0 0.7-
091022 H10 (1.8+ 2.3+) 091107 B18 1.1+ 0.1+ 091126 H45 0.2- 0.2+
091022 H10 1.0- 0.1+ 091107 B18 0.6+ 1.4+ 091126 H45 0.1+ 0.4+
091022 H10 1.0+ 0.4+ 091107 B18 0.6+ 0.1- 091126 H45 0.1+ 0.1+
091022 H10 0.0 1.2- 091107 B18 1.0+ 0.4+ 091126 H45 0.1- 0.2+
091022 H10 0.7+ 0.5- 091108 703 0.1+ 0.6- 091126 H45 0.2- 0.3+
091022 H10 0.7+ 1.1- 091108 703 (2.3- 0.7-) 091126 H45 0.4+ 0.1+
091022 H06 (3.8- 1.6+) 091108 703 0.8- 0.9- 091126 H45 0.5+ 0.4+
091022 H06 (3.5- 1.1+) 091108 850 (0.7+ 2.3-) 091126 585 0.2+ 1.4-
091022 H06 (2.7- 0.7+) 091108 850 1.0+ 0.6- 091126 585 1.1+ 0.8-
091022 E16 0.0 0.5- 091109 J40 0.8- 1.9+ 091126 585 0.7+ 0.1+
091022 E16 0.0 0.6- 091109 J40 0.5- 1.6+ 091126 585 1.0- 0.5+
091022 E16 0.4+ 0.7- 091109 J40 (2.5+ 0.0 ) 091126 585 0.5- 0.5+
091022 F65 0.9+ 0.7+ 091111 372 0.1+ 0.7- 091126 585 0.0 0.6-
091022 F65 1.2+ 0.8+ 091111 372 0.4- 1.5+ 091126 585 0.2- 0.2-
091022 585 0.1- 0.2+ 091111 J10 (2.8- 5.1-) 091126 585 0.3- 0.3-
091022 585 1.0+ 1.0+ 091111 J10 0.9- 1.3+ 091126 J47 0.0 0.0
091022 585 0.4+ 0.1- 091111 J10 1.1- 0.4+ 091126 585 1.3- 0.9+
091022 585 0.4+ 0.0 091111 J28 0.0 0.3+ 091126 585 1.2- 0.6+
091023 H10 1.5- 1.1+ 091111 J28 0.2+ 0.5+ 091126 585 0.7- 1.0+
091023 H10 0.4+ 0.1- 091111 J28 0.6+ 0.4+ 091126 J47 0.3- 0.2+
091023 H10 0.0 0.4+ 091111 160 0.1+ 0.2+ 091126 J47 0.8- 0.3+
091024 A77 (1.9- 2.6-) 091111 160 0.3+ 0.0 091126 J47 0.4+ 0.5+
091024 A77 0.5+ 0.3- 091111 160 0.6+ 0.1- 091127 900 0.0 1.1-
091024 A77 1.0- 0.7+ 091114 H10 (1.1- 6.2+) 091127 900 0.7+ 0.4+
091024 H06 1.4- 0.5- 091114 H10 0.2+ 1.4+ 091128 H45 0.3- 0.6-
091024 H06 0.7- 0.2- 091114 900 0.0 0.2- 091128 H45 0.3+ 0.0
091024 H06 0.6- 0.7- 091114 900 0.2+ 0.3- 091128 H45 0.5+ 0.0
091024 703 1.5- 1.1- 091114 355 0.3- 0.1- 091128 H45 0.4+ 0.0
091024 703 0.6- 0.2- 091114 355 0.1- 0.7- 091128 H45 0.4+ 1.0+
091024 703 (1.6- 3.5-) 091114 355 0.4- 0.6- 091128 H45 0.2- 0.3+
091024 703 0.8- 1.6- 091114 J75 0.4+ 1.2- 091128 H45 0.4+ 0.2+
091025 160 0.8+ 1.8+ 091114 J75 0.3+ 1.7- 091204 900 0.5+ 0.3+
091025 J47 0.5- 0.7- 091114 J75 0.2- 1.2- 091204 900 0.5+ 0.4+
091025 J47 0.1- 0.3+ 091115 703 0.5- 1.4- 091205 J40 1.4- 1.1+
091025 J47 1.2+ 0.3- 091115 703 1.3- 1.1- 091205 J40 1.4- 0.6+
091025 850 0.2- 0.1- 091115 703 1.6- 1.4- 091205 J40 (2.4- 1.4+)
091025 850 0.5+ 0.5- 091115 703 (1.3- 3.3-) 091206 349 0.4+ 0.1-
091025 850 0.3+ 0.3- 091115 349 0.9- 1.1+ 091206 349 0.8+ 0.1+
091025 E85 1.5- 0.2- 091115 349 0.3- 1.0+ 091207 I10 0.6+ 0.0
091025 E85 0.5- 0.1+ 091115 349 0.0 0.3+ 091207 I10 0.7- 0.2+
091025 E85 0.5+ 0.2+ 091116 H06 0.5- 0.5- 091207 I10 0.2- 1.1-
091025 E85 0.3+ 0.6+ 091116 H06 0.2- 0.7- 091208 104 0.9- 0.6-
091025 473 0.2- 0.2+ 091116 H06 0.2+ 0.8- 091208 104 0.4- 0.6-
091025 204 0.3+ 0.3+ 091116 213 0.3- 0.7- 091208 104 0.3- 0.4-
091026 130 0.6+ 0.4+ 091116 213 0.1+ 0.1+ 091209 704 0.2+ 1.7-
091026 130 0.7+ 0.1- 091116 213 0.4- 0.8+ 091209 704 0.1- 1.1-
091026 130 0.7+ 0.7- 091117 704 0.3- 0.0 091209 704 0.8+ 0.2-
091026 130 0.2- 0.2- 091117 704 (0.5- 2.1+) 091209 704 0.3+ 0.3+
091026 204 0.3+ 0.5+ 091117 704 0.3+ 0.5- 091209 704 0.3+ 0.2-
091026 473 0.0 0.0 091117 704 0.3- 0.1+ 091209 160 0.6- 0.1+
091026 473 0.2- 0.1- 091117 704 0.4- 0.6- 091209 160 0.7- 0.0
091026 703 1.1+ 0.6+ 091117 H10 1.6+ 0.7- 091209 160 0.8- 0.0
091026 703 0.7- 0.8- 091117 H10 1.3- 0.5+ 091210 J01 0.6- 0.0
091026 703 0.9- 1.0- 091117 H10 0.3+ 0.6- 091210 J01 0.1- 0.2-
091026 703 0.3+ 0.9- 091118 691 0.1- 0.6- 091210 J01 0.3- 0.4+
091026 372 1.0- 0.3+ 091118 691 0.5- 1.0- 091211 H06 0.6+ 0.2-
091026 585 0.5- 0.6+ 091118 691 0.4- 0.1- 091211 H06 0.6+ 0.6-
091026 585 1.5- 0.9- 091118 A71 1.2- 0.5- 091211 H06 0.4+ 0.8-
091026 585 0.2- 0.2- 091119 H45 0.3+ 0.4+ 091211 B83 0.0 0.7+
091027 473 0.1- 0.3- 091119 H45 0.4+ 0.5+ 091211 B83 0.7+ 0.4+
091027 473 0.0 0.1- 091119 H45 0.0 0.7+ 091212 J10 0.1- 2.0+
091027 160 0.4+ 0.6+ 091119 H45 0.0 0.1+ 091212 J10 0.5- 0.2+
091027 160 0.3+ 1.0+ 091119 H45 0.5+ 0.1- 091212 J01 0.1- 0.3+
091027 160 0.3+ 1.7+ 091119 H45 0.2+ 0.3+ 091212 J01 0.7- 0.2+
091027 H06 0.1- 0.4- 091119 H45 0.4+ 0.3- 091212 J01 0.2+ 0.5+
091027 H06 0.7- 0.5- 091119 215 0.3+ 0.4+ 091212 235 0.0 0.2-
091027 691 0.2- 0.0 091119 215 0.5+ 0.6+ 091213 900 0.8+ 0.0
091027 691 0.3- 0.0 091119 215 0.6+ 0.7+ 091213 900 0.3- 1.8-
091027 691 0.6- 0.0 091119 160 0.5+ 0.1+ 091214 B96 (2.5- 1.4-)
091027 900 0.4- 0.0 091119 160 0.3+ 0.3+ 091214 B96 (0.3- 2.3+)
091027 900 0.4+ 0.2+ 091119 160 0.1+ 0.6+ 091214 B96 0.9+ 1.2+
091027 349 0.8+ 0.6- 091121 900 0.2+ 0.2-
091027 349 0.7+ 0.5- 091121 900 0.1+ 0.4-
The "original" and "future" barycentric values of 1/a are +0.006289
and +0.005921 (+/- 0.000065) AU^-1, respectively.
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-Y12
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- B01 (the abbreviated form)