MPEC 2007-L58 : COMET P/2007 H1 (McNAUGHT)
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M.P.E.C. 2007-L58 Issued 2007 June 15, 15:10 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/2007 H1 (McNAUGHT)
Observations:
PK07H010 C2007 06 11.74102 23 25 51.90 -03 47 33.3 EL058349
PK07H010 C2007 06 11.74225 23 25 51.99 -03 47 33.2 15.3 T EL058349
PK07H010 C2007 06 13.45532 23 28 10.76 -03 41 04.6 14.5 T EL058673
PK07H010 C2007 06 13.46007 23 28 11.14 -03 41 03.7 EL058673
PK07H010 C2007 06 13.46493 23 28 11.53 -03 41 02.5 EL058673
PK07H010 C2007 06 13.47060 23 28 11.98 -03 41 01.6 EL058673
PK07H010 C2007 06 13.75457 23 28 34.72 -03 39 56.0 15.1 T EL058E12
PK07H010 C2007 06 13.76311 23 28 35.38 -03 39 54.2 EL058E12
PK07H010 C2007 06 13.77165 23 28 36.05 -03 39 52.3 EL058E12
PK07H010 C2007 06 13.78027 23 28 36.75 -03 39 50.3 EL058E12
Observer details:
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
Orbital elements:
P/2007 H1 (McNaught)
T 2007 Aug. 17.2912 TT MPC
q 2.282170 (2000.0) P Q
n 0.1396699 Peri. 202.4920 +0.9691251 +0.2155112
a 3.679037 Node 144.3863 -0.1830844 +0.9543940
e 0.379683 Incl. 11.8720 -0.1651564 +0.2066085
P 7.06
From 56 observations 2007 Apr. 17-June 13.
Ephemeris:
P/2007 H1 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 06 09 23 22.10 -03 58.5 2.137 2.333 88.0 25.8 15.3
2007 06 19 23 35.43 -03 22.7 2.011 2.320 94.2 25.9 15.2
2007 06 29 23 47.57 -03 00.2 1.890 2.308 100.8 25.6 15.0
2007 07 09 23 58.29 -02 53.7 1.773 2.299 107.9 24.9 14.9
2007 07 19 00 07.29 -03 05.8 1.664 2.291 115.4 23.6 14.7
2007 07 29 00 14.29 -03 38.5 1.564 2.286 123.5 21.7 14.6
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-L58
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