MPEC 2007-R57 : COMET C/2007 Q1 (GARRADD)
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M.P.E.C. 2007-R57 Issued 2007 Sept. 12, 14:32 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 C/2007 Q1 (GARRADD)
Observations:
CK07Q010 C2007 09 01.09020 01 22 06.86 -17 41 34.9 20.0 N ER057213
CK07Q010 C2007 09 01.10226 01 22 05.98 -17 41 34.8 20.0 N ER057213
CK07Q010 C2007 09 01.13243 01 22 03.71 -17 41 31.3 20.0 N ER057213
CK07Q010 C2007 09 05.76554 01 16 11.51 -17 36 03.2 19.5 T ER057413
CK07Q010 C2007 09 05.77094 01 16 11.16 -17 36 03.3 ER057413
CK07Q010 C2007 09 05.77634 01 16 10.70 -17 36 02.8 ER057413
CK07Q010 C2007 09 09.59766 01 11 06.72 -17 30 23.0 20.6 N ER057415
CK07Q010 C2007 09 09.60507 01 11 06.12 -17 30 21.9 20.5 N ER057415
Observer details:
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
413 Siding Spring. Observers K. Sarneczky, L. Kiss. Measurer K. Sarneczky.
1.02-m reflector + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
Orbital elements:
C/2007 Q1 (Garradd)
T 2006 Dec. 10.134 TT MPC
q 2.95286 (2000.0) P Q
Peri. 281.208 +0.208309 +0.972567
Node 6.008 +0.273905 +0.043622
e 1.0 Incl. 81.599 -0.938927 +0.228498
From 36 observations 2007 Aug. 21-Sept. 9.
Ephemeris:
C/2007 Q1 (Garradd)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 09 07 01 14.58 -17 34.4 3.085 3.957 145.5 8.3 18.9
2007 09 17 01 00.86 -17 15.6 3.088 4.019 154.6 6.2 19.0
2007 09 27 00 46.58 -16 45.9 3.125 4.082 160.0 4.8 19.1
2007 10 07 00 32.58 -16 04.2 3.200 4.146 158.3 5.1 19.2
2007 10 17 00 19.61 -15 10.8 3.312 4.210 150.8 6.6 19.3
2007 10 27 00 08.29 -14 07.3 3.457 4.275 141.0 8.4 19.5
Further observations of this comet are very desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-R57
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