MPEC 2010-B49 : COMET P/2010 A1 (HILL)
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M.P.E.C. 2010-B49 Issued 2010 Jan. 27, 19:34 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 P/2010 A1 (HILL)
Observations:
PK10A010 C2010 01 16.08012 09 03 52.03 +34 06 40.3 EB049204
PK10A010 C2010 01 16.13733 09 03 48.92 +34 06 58.5 19.2 N EB049204
PK10A010 C2010 01 18.80616 09 01 25.51 +34 20 33.6 19.2 N EB049104
PK10A010 C2010 01 18.81248 09 01 25.00 +34 20 35.3 19.5 N EB049104
PK10A010 C2010 01 18.82037 09 01 24.55 +34 20 37.9 19.3 N EB049104
PK10A010 C2010 01 19.91772 09 00 23.80 +34 25 50.3 20.2 N EB049160
PK10A010 C2010 01 19.91965 09 00 23.67 +34 25 50.4 20.2 N EB049160
PK10A010 C2010 01 19.92171 09 00 23.54 +34 25 50.5 19.8 N EB049160
PK10A010 C2010 01 21.76311 08 58 40.42 +34 33 57.9 18.9 N EB049104
PK10A010 C2010 01 21.77109 08 58 39.98 +34 34 01.2 19.3 N EB049104
PK10A010 C2010 01 21.78109 08 58 39.33 +34 34 01.3 19.4 N EB049104
PK10A010 C2010 01 21.95914 08 58 29.19 +34 34 51.1 19.5 N EB049B33
PK10A010 C2010 01 21.96166 08 58 29.04 +34 34 50.3 18.4 N EB049B33
PK10A010 C2010 01 21.97728 08 58 28.01 +34 34 54.4 19.2 N EB049B33
PK10A010 C2010 01 22.79681 08 57 41.22 +34 38 17.7 18.2 T EB049349
PK10A010 C2010 01 22.80585 08 57 40.65 +34 38 20.2 EB049349
PK10A010 C2010 01 23.02958 08 57 28.25 +34 39 12.9 20.6 N EB049213
PK10A010 C2010 01 23.03359 08 57 28.02 +34 39 14.0 20.7 N EB049213
PK10A010 C2010 01 23.04961 08 57 26.91 +34 39 16.7 18.3 N EB049585
PK10A010 C2010 01 23.05400 08 57 26.69 +34 39 17.2 18.2 N EB049585
PK10A010 C2010 01 23.06678 08 57 25.97 +34 39 19.5 18.3 N EB049585
PK10A010 C2010 01 23.06971 08 57 25.85 +34 39 21.8 18.3 N EB049585
PK10A010 C2010 01 23.07183 08 57 25.62 +34 39 22.5 18.3 N EB049585
PK10A010 C2010 01 23.07329 08 57 25.52 +34 39 22.2 18.3 N EB049585
PK10A010 C2010 01 23.96273 08 56 35.05 +34 42 48.8 18.8 T EB049561
PK10A010 C2010 01 23.96921 08 56 34.79 +34 42 49.9 19.1 T EB049561
PK10A010 C2010 01 23.97303 08 56 34.46 +34 42 53.8 18.8 T EB049561
PK10A010 C2010 01 24.53940 08 56 02.32 +34 44 58.2 17.6 T EB049900
PK10A010 C2010 01 24.55000 08 56 01.89 +34 44 59.4 EB049900
PK10A010 C2010 01 24.95266 08 55 38.74 +34 46 26.9 19.2 N EB049J01
PK10A010 C2010 01 24.95654 08 55 38.49 +34 46 28.1 19.0 N EB049J01
PK10A010 C2010 01 25.37716 08 55 14.14 +34 47 55.5 19.4 N EB049H45
PK10A010 C2010 01 25.38610 08 55 13.54 +34 47 56.7 19.3 N EB049H45
PK10A010 C2010 01 25.38846 08 55 13.38 +34 47 57.6 19.4 N EB049H45
PK10A010 C2010 01 25.39061 08 55 13.22 +34 47 58.7 19.3 N EB049H45
PK10A010 C2010 01 25.39227 08 55 13.17 +34 47 58.9 19.3 N EB049H45
PK10A010 C2010 01 25.39400 08 55 13.05 +34 47 59.4 19.3 N EB049H45
PK10A010 C2010 01 25.39823 08 55 12.75 +34 47 59.6 19.3 N EB049H45
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli. 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.
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.
561 Piszkesteto Stn. (Konkoly). Observer J. Kelemen. 0.6-m Schmidt + 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.
B33 Libbiano Observatory, Peccioli. Observers P. Bacci, F. Biasci,
C. Perrella. Measurer P. Bacci. 0.5-m f/8 Ritchey-Chretien + CCD.
H45 Arkansas Sky Obs., Petit Jean Mountain South. Observer P. C. Sherrod.
0.51-m f/4.3 astrograph + CCD.
J01 Observatorio Cielo Profundo, Oviedo. Observer J. Gonzalez. 0.20-m f/7
Schmidt-Cassegrain + CCD.
Orbital elements:
P/2010 A1 (Hill)
T 2009 Aug. 7.078 TT MPC
q 1.94880 (2000.0) P Q
n 0.107574 Peri. 13.125 +0.494446 -0.859119
a 4.37856 Node 47.420 +0.780409 +0.371887
e 0.55492 Incl. 10.331 +0.382733 +0.351587
P 9.16
From 105 observations 2010 Jan. 6-25.
Ephemeris:
P/2010 A1 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2010 01 24 08 56.55 +34 43.0 1.499 2.457 163.0 6.7 17.8
2010 02 03 08 47.14 +35 09.1 1.555 2.507 161.1 7.3 18.0
2010 02 13 08 38.84 +35 11.8 1.636 2.559 153.6 9.9 18.1
2010 02 23 08 32.72 +34 53.2 1.742 2.611 144.5 12.7 18.4
2010 03 05 08 29.37 +34 17.6 1.868 2.664 135.1 15.2 18.6
2010 03 15 08 28.90 +33 29.5 2.012 2.717 125.9 17.2 18.9
2010 03 25 08 31.11 +32 32.8 2.170 2.771 117.1 18.7 19.1
2010 04 04 08 35.68 +31 30.1 2.339 2.825 108.8 19.6 19.4
2010 04 14 08 42.18 +30 23.3 2.516 2.880 100.9 20.0 19.6
2010 04 24 08 50.25 +29 13.2 2.698 2.934 93.3 20.0 19.8
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2010 MPC M.P.E.C. 2010-B49
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