MPEC 2007-L25 : COMET P/2007 H1 (McNAUGHT)
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M.P.E.C. 2007-L25 Issued 2007 June 8, 17:42 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 05 25.78736 23 01 29.22 -05 07 32.2 16.9 N EL025415
PK07H010 C2007 05 25.79164 23 01 29.59 -05 07 30.6 17.3 N EL025415
PK07H010 C2007 06 04.75604 23 16 07.84 -04 17 15.7 EL025349
PK07H010 C2007 06 04.75771 23 16 07.98 -04 17 15.2 EL025349
PK07H010 C2007 06 04.75939 23 16 08.13 -04 17 14.8 15.2 T EL025349
Observer details:
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
Orbital elements:
P/2007 H1 (McNaught)
T 2007 Aug. 17.5305 TT MPC
q 2.281247 (2000.0) P Q
n 0.1402581 Peri. 202.5719 +0.9693845 +0.2143160
a 3.668745 Node 144.3768 -0.1818989 +0.9546223
e 0.378194 Incl. 11.8737 -0.1649439 +0.2067968
P 7.03
From 46 observations 2007 Apr. 17-June 4.
Ephemeris:
P/2007 H1 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 05 30 23 07.77 -04 45.3 2.263 2.347 82.0 25.3 15.5
2007 06 09 23 22.10 -03 58.6 2.136 2.332 88.0 25.8 15.3
2007 06 19 23 35.43 -03 22.7 2.010 2.319 94.2 25.9 15.2
2007 06 29 23 47.57 -03 00.3 1.889 2.307 100.8 25.6 15.0
2007 07 09 23 58.29 -02 53.8 1.772 2.298 107.9 24.9 14.9
2007 07 19 00 07.29 -03 05.9 1.663 2.291 115.4 23.6 14.7
2007 07 29 00 14.28 -03 38.7 1.563 2.285 123.5 21.8 14.6
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-L25
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