MPEC 2007-K16 : COMET P/2007 H3 (GARRADD)
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M.P.E.C. 2007-K16 Issued 2007 May 18, 15:42 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 H3 (GARRADD)
Observations:
PK07H030 2007 05 07.50035 11 48 37.14 -39 03 23.3 17.8 T EK016372
PK07H030 2007 05 07.52101 11 48 37.32 -39 03 02.2 17.7 T EK016372
PK07H030 C2007 05 11.45554 11 49 37.23 -37 54 49.3 17.4 T EK016423
PK07H030 C2007 05 11.47701 11 49 37.58 -37 54 27.0 17.5 T EK016423
PK07H030 C2007 05 11.49315 11 49 37.86 -37 54 11.1 18.6 N EK016415
PK07H030 C2007 05 11.50027 11 49 37.98 -37 54 03.0 18.7 N EK016415
PK07H030 C2007 05 11.55346 11 49 38.915-37 53 06.59 17.2 T EK016E12
PK07H030 C2007 05 11.55702 11 49 38.974-37 53 02.72 17.2 T EK016E12
PK07H030 C2007 05 12.51827 11 49 59.99 -37 36 08.7 17.9 N EK016415
PK07H030 C2007 05 12.52953 11 50 00.20 -37 35 56.7 18.1 N EK016415
PK07H030 C2007 05 14.43980 11 50 49.00 -37 02 07.3 17.4 T EK016423
PK07H030 C2007 05 14.46694 11 50 49.67 -37 01 38.8 17.7 T EK016423
Observer details:
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
Orbital elements:
P/2007 H3 (Garradd)
T 2007 Aug. 15.3444 TT MPC
q 1.829293 (2000.0) P Q
n 0.1505253 Peri. 350.1506 -0.2626058 +0.8670455
a 3.499959 Node 263.6605 -0.8537660 -0.4132467
e 0.477339 Incl. 25.2145 -0.4495796 +0.2783151
P 6.55
From 49 observations 2007 Mar. 28-May 14.
Ephemeris:
P/2007 H3 (Garradd)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 05 10 11 49.17 -38 20.3 1.188 2.013 132.5 21.7 17.4
2007 05 20 11 54.04 -35 23.0 1.196 1.980 127.3 24.0 17.4
2007 05 30 12 02.91 -32 27.5 1.218 1.949 121.4 26.3 17.3
2007 06 09 12 15.25 -29 43.8 1.253 1.921 115.4 28.5 17.3
2007 06 19 12 30.50 -27 18.0 1.299 1.897 109.4 30.4 17.3
2007 06 29 12 48.14 -25 13.3 1.355 1.876 103.6 31.8 17.4
2007 07 09 13 07.65 -23 29.6 1.420 1.858 98.1 32.8 17.5
2007 07 19 13 28.62 -22 05.6 1.491 1.845 92.8 33.4 17.5
2007 07 29 13 50.73 -20 58.7 1.569 1.836 87.8 33.6 17.6
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-K16
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