MPEC 2007-Q20 : COMET C/2007 Q1 (GARRADD)
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M.P.E.C. 2007-Q20 Issued 2007 Aug. 24, 19:31 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 08 21.65039 01 33 57.81 -17 49 48.2 19.4 T EQ020E12
CK07Q010 C2007 08 21.66403 01 33 57.02 -17 49 47.0 19.7 T EQ020E12
CK07Q010 C2007 08 21.67764 01 33 56.19 -17 49 48.1 18.7 T EQ020E12
CK07Q010 C2007 08 21.73937 01 33 52.30 -17 49 44.0 19.4 T EQ020E12
CK07Q010 C2007 08 21.74205 01 33 52.09 -17 49 45.3 19.3 T EQ020E12
CK07Q010 C2007 08 21.74736 01 33 51.76 -17 49 44.6 18.9 T EQ020E12
CK07Q010 C2007 08 21.75956 01 33 50.94 -17 49 43.6 19.1 T EQ020E12
CK07Q010 C2007 08 21.76307 01 33 50.79 -17 49 42.0 18.7 T EQ020E12
CK07Q010 C2007 08 21.76656 01 33 50.58 -17 49 44.1 19.1 T EQ020E12
CK07Q010 C2007 08 21.79036 01 33 49.03 -17 49 42.9 19.4 T EQ020E12
CK07Q010 C2007 08 21.79891 01 33 48.49 -17 49 42.7 19.2 T EQ020E12
CK07Q010 C2007 08 22.27187 01 33 18.98 -17 49 26.1 20.3 N EQ020H55
CK07Q010 C2007 08 22.27618 01 33 18.81 -17 49 26.5 20.2 N EQ020H55
CK07Q010 C2007 08 22.28047 01 33 18.38 -17 49 26.9 20.0 N EQ020H55
CK07Q010 C2007 08 22.47107 01 33 06.57 -17 49 16.8 19.3 N EQ020F85
CK07Q010 C2007 08 22.49353 01 33 05.13 -17 49 16.0 18.5 T EQ020F85
CK07Q010 C2007 08 22.52864 01 33 02.89 -17 49 14.9 EQ020F85
CK07Q010 C2007 08 22.62060 01 32 57.11 -17 49 10.0 19.8 N EQ020474
CK07Q010 C2007 08 22.62466 01 32 56.83 -17 49 09.2 EQ020474
CK07Q010 C2007 08 23.75715 01 31 44.41 -17 48 25.3 19 T EQ020E12
CK07Q010 C2007 08 24.02649 01 31 27.12 -17 48 19.1 19.2 T EQ020235
CK07Q010 C2007 08 24.03771 01 31 26.33 -17 48 18.2 19.4 T EQ020235
CK07Q010 C2007 08 24.04393 01 31 25.87 -17 48 18.0 19.4 T EQ020235
CK07Q010 C2007 08 24.04884 01 31 25.52 -17 48 16.7 EQ020204
CK07Q010 C2007 08 24.09345 01 31 22.70 -17 48 14.5 EQ020204
CK07Q010 C2007 08 24.10386 01 31 21.95 -17 48 14.7 19.0 N EQ020204
CK07Q010 C2007 08 24.50613 01 30 55.85 -17 47 54.3 20.3 N EQ020474
CK07Q010 C2007 08 24.51412 01 30 55.40 -17 47 52.9 20.0 N EQ020474
CK07Q010 C2007 08 24.52141 01 30 54.93 -17 47 53.1 20.3 N EQ020474
CK07Q010 C2007 08 24.52720 01 30 54.46 -17 47 53.7 20.1 N EQ020474
Observer details:
204 Schiaparelli Observatory. Observers L. Buzzi, F. Luppi. Measurer
L. Buzzi. 0.60-m f/4.64 reflector + CCD.
235 CAST Observatory, Talmassons. Observer R. Ligustri. 0.35-m f/5 reflector
+ CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7
reflector + CCD.
E12 Siding Spring Survey. Observer G. J. Garradd. 0.5-m Uppsala Schmidt
+ CCD.
F85 Tiki Observatory, Punaauia. Observers N. Teamo, S. Hoenig. Measurer
S. Hoenig. 0.41-m f/8.0 Ritchey-Chretien + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.61-m f/4.0 astrograph + CCD.
Orbital elements:
C/2007 Q1 (Garradd)
T 2006 Dec. 6.785 TT MPC
q 2.77670 (2000.0) P Q
Peri. 276.821 +0.138609 +0.983918
Node 6.578 +0.236797 +0.077534
e 1.0 Incl. 79.553 -0.961621 +0.160915
From 28 observations 2007 Aug. 21-24.
Ephemeris:
C/2007 Q1 (Garradd)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 08 18 01 37.60 -17 52.0 3.099 3.767 124.6 12.8 18.7
2007 08 28 01 27.00 -17 45.3 3.049 3.832 135.1 10.7 18.8
2007 09 07 01 14.58 -17 34.4 3.025 3.898 145.5 8.4 18.8
2007 09 17 01 00.88 -17 15.5 3.032 3.964 154.6 6.2 18.9
2007 09 27 00 46.65 -16 45.8 3.075 4.031 160.0 4.9 19.0
Further observations of this comet are desirable.
Further observations of Comet C/2007 P1 (McNaught) are very desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-Q20
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