MPEC 2010-F15 : COMET P/2010 A1 (HILL)
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M.P.E.C. 2010-F15 Issued 2010 Mar. 17, 19:21 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.minorplanetcenter.org/iau/mpc.html ISSN 1523-6714
COMET P/2010 A1 (HILL)
Observations:
PK10A010 C2010 02 06.97986 08 43 37.91 +35 12 56.3 19.3 N EF015473
PK10A010 C2010 02 06.99097 08 43 37.33 +35 12 56.6 19.3 N EF015473
PK10A010 C2010 03 11.94674 08 28 44.42 +33 45 19.5 20.8 N EF015C10
PK10A010 C2010 03 16.83446 08 29 05.43 +33 19 53.3 19.8 N EF015224
PK10A010 C2010 03 17.12066 08 29 07.83 +33 18 20.2 20.2 N EF015H21
PK10A010 C2010 03 17.12955 08 29 07.94 +33 18 17.6 20.5 N EF015H21
PK10A010 C2010 03 17.13756 08 29 08.03 +33 18 12.3 19.7 N EF015H21
Observer details:
224 Ottmarsheim. Observer C. Rinner. 0.4-m f/3 reflector + CCD.
473 Remanzacco. Observers L. Donato, V. Gonano, E. Guido, G. Sostero. 0.45-m
f/4.4 Newtonian reflector + CCD.
C10 Maisoncelles. Observer J. F. Soulier. 0.26-m f/4.7 Newtonian reflector
+ CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurer S. Foglia. 0.61-m reflector + CCD.
Orbital elements:
P/2010 A1 (Hill)
Epoch 2009 July 28.0 TT = JDT 2455040.5
T 2009 Aug. 6.81173 TT MPC
q 1.9499519 (2000.0) P Q
n 0.10772910 Peri. 13.09946 +0.49490185 -0.85885046
a 4.3743551 Node 47.41562 +0.78019802 +0.37226364
e 0.5542310 Incl. 10.33498 +0.38257446 +0.35184608
P 9.15
Residuals in seconds of arc
100106 703 0.4+ 0.1- 100116 473 0.0 0.2+ 100124 900 1.4+ 0.8-
100106 703 0.9- 0.7+ 100116 473 0.2+ 0.0 100124 J01 0.4+ 0.6+
100106 703 (2.0- 1.0-) 100116 204 0.0 0.5- 100124 J01 0.1+ 0.9+
100106 703 (2.3- 0.0 ) 100116 204 0.2+ 0.2- 100125 H45 1.5+ 0.6-
100106 703 0.4- 1.0- 100116 D95 1.3- 1.7+ 100125 H45 0.6+ 1.2-
100106 703 0.3- 0.3- 100116 D95 1.8- 1.6+ 100125 H45 0.4+ 0.7-
100106 703 1.5- 0.3+ 100116 900 0.2+ 0.9+ 100125 H45 0.0 0.0
100106 G96 0.6- 0.1- 100116 900 0.5- 0.4+ 100125 H45 0.5+ 0.2-
100106 G96 0.1- 0.5+ 100116 372 1.4+ 1.0+ 100125 H45 0.3+ 0.0
100106 G96 0.6- 0.3+ 100116 372 1.5+ 1.2- 100125 H45 0.3- 0.6-
100106 G96 0.2- 0.3- 100116 372 1.1- 0.7+ 100202 213 0.1- 0.2-
100106 900 0.3- 0.2+ 100116 J40 1.3- 0.4+ 100202 213 0.3+ 0.8-
100106 900 0.6- 1.0- 100116 J40 1.3- 0.9+ 100203 213 0.8- 0.3-
100107 J95 0.1- 0.3- 100116 J40 0.8- 0.5- 100205 J02 1.0+ 0.2-
100107 J95 0.6+ 0.2- 100117 900 0.7- 0.1- 100205 J02 0.1- 0.0
100107 H06 0.4+ 0.1+ 100117 900 1.2+ 0.4+ 100206 349 0.2+ 1.1-
100107 H06 0.8- 0.0 100117 A77 0.0 0.3+ 100206 349 0.6- 0.4-
100107 H06 (3.1- 0.2+) 100117 A77 0.7- 0.0 100206 A77 1.1- 0.5-
100107 703 1.2- 0.4- 100117 A77 (2.7- 0.5-) 100206 A77 0.9- 1.3+
100107 703 1.4- 0.2- 100118 104 1.8+ 1.0+ 100206 A77 1.0- 1.7-
100107 703 1.4- 0.3+ 100118 104 0.2- 0.8+ 100206 204 0.4- 0.1-
100107 703 0.6- 0.3+ 100118 104 0.3- 1.0+ 100206 473 0.0 0.1+
100107 H01 0.7+ 0.0 100118 473 0.0 0.2+ 100206 473 0.1+ 0.1+
100107 H01 0.8+ 0.1- 100118 473 0.2+ 0.3+ 100207 B18 0.6+ 0.2+
100107 H01 0.8+ 0.1- 100119 215 0.3+ 0.3+ 100207 B18 0.5+ 0.6-
100107 H01 0.8+ 0.2- 100119 215 0.4+ 0.2+ 100207 B18 0.0 0.3-
100107 372 0.3+ 0.3- 100119 473 0.0 0.1+ 100212 H06 0.8- 0.2+
100107 372 0.0 1.1- 100119 215 0.2+ 0.4- 100212 H06 0.6- 0.1-
100107 355 0.3- 0.5+ 100119 473 0.2+ 0.2+ 100214 703 1.4+ 0.9+
100107 355 0.3- 0.0 100119 160 0.6+ 0.7+ 100214 703 0.2+ 0.2+
100107 355 0.1+ 0.3+ 100119 160 0.4+ 0.3+ 100214 703 0.6- 0.9-
100108 349 0.6- 0.7+ 100119 160 0.2+ 0.2- 100214 703 0.2- 1.0-
100108 349 0.4- 0.8+ 100121 104 0.1+ 0.5- 100216 B82 (6.3+ 1.5+)
100109 J01 0.3+ 0.3- 100121 104 0.3+ 0.6+ 100219 J01 0.8- 0.1-
100109 J01 0.5- 0.3- 100121 104 0.8- 2.0- 100219 J01 1.2- 0.3-
100110 H06 0.3+ 0.1- 100121 B33 1.2+ 0.8+ 100220 B09 (2.6- 4.2-)
100110 H06 0.1+ 0.0 100121 B33 1.2+ 0.7- 100220 B09 1.4- 0.9-
100110 D93 (2.1+ 0.7+) 100121 B33 0.2- 0.6- 100220 A77 0.6+ 0.5-
100110 D93 0.6+ 0.5- 100122 349 0.4+ 1.0+ 100220 A77 0.4+ 0.1-
100110 A77 0.9+ 0.0 100122 349 0.2- 1.4+ 100220 A77 0.7- 0.2-
100110 A77 0.2+ 0.8- 100122 152 0.9- 0.6+ 100306 B82 (0.4- 3.4+)
100110 A77 0.2+ 0.4- 100122 152 0.5+ 0.5- 100306 B82 0.3+ 0.6-
100111 H10 0.1+ 0.2+ 100122 152 0.6+ 1.3+ 100306 B82 1.8+ 0.6-
100111 H10 0.2+ 0.1+ 100122 152 0.2+ 1.2+ 100307 850 (1.4- 4.2+)
100111 H10 1.0+ 0.5- 100122 152 0.4- 0.8+ 100307 850 (3.1- 4.4+)
100111 H10 0.4+ 0.1+ 100122 152 0.5+ 0.4- 100307 850 (2.2- 2.8+)
100111 H10 1.4- 0.7- 100123 213 0.2- 0.2- 100307 850 (3.7- 3.3+)
100111 H10 0.8+ 1.0- 100123 213 0.1- 0.0 100307 B82 (2.8+ 2.1+)
100113 B82 1.2+ 0.4- 100123 585 0.5- 0.2+ 100308 B82 0.6- 0.6-
100113 B82 (2.9+ 0.6+) 100123 585 0.0 0.3- 100308 B82 0.0 1.1+
100113 B82 1.1- 0.4+ 100123 585 0.3+ 1.0- 100308 224 (2.1- 0.8-)
100113 900 0.3+ 0.1- 100123 585 0.9+ 0.7+ 100308 224 (0.5- 2.4+)
100113 900 1.1- 0.7- 100123 585 0.4- 0.9+ 100311 C10(10.7+ 6.7-)
100115 213 0.0 0.7+ 100123 585 0.6- 0.2+ 100316 224 0.0 1.3+
100115 213 0.6+ 0.4+ 100123 561 0.9- 0.2- 100317 H21 0.5- 1.3+
100115 213 0.9+ 0.1+ 100123 561 0.7+ 0.6- 100317 H21 0.1+ 1.6+
100115 157 0.9+ 0.3+ 100123 561 (0.6- 2.5+) 100317 H21 0.5+ 1.1-
100115 157 0.2+ 0.3- 100124 900 1.0- 0.4+
Ephemeris:
P/2010 A1 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2010 03 15 08 28.88 +33 29.7 2.013 2.718 125.9 17.2 18.9
2010 03 25 08 31.09 +32 33.0 2.171 2.772 117.1 18.7 19.1
2010 04 04 08 35.65 +31 30.4 2.340 2.826 108.8 19.6 19.4
2010 04 14 08 42.14 +30 23.6 2.517 2.881 100.9 20.0 19.6
2010 04 24 08 50.21 +29 13.5 2.700 2.935 93.3 20.0 19.8
2010 05 04 08 59.51 +28 00.9 2.884 2.990 86.1 19.7 20.1
2010 05 14 09 09.73 +26 46.0 3.070 3.045 79.1 19.0 20.3
2010 05 24 09 20.67 +25 29.1 3.253 3.099 72.3 18.1 20.5
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2010 MPC M.P.E.C. 2010-F15
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