MPEC 2007-S21 : COMET P/2007 Q2 (GILMORE)
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M.P.E.C. 2007-S21 Issued 2007 Sept. 19, 15:11 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 Q2 (GILMORE)
Observations:
PK07Q020 C2007 09 11.16315 22 45 47.14 -04 41 59.0 19.4 T ES021691
PK07Q020 C2007 09 11.18072 22 45 47.19 -04 42 12.2 19.4 T ES021691
PK07Q020 C2007 09 11.20176 22 45 47.24 -04 42 28.1 19.4 T ES021691
PK07Q020 C2007 09 12.88843 22 45 57.32 -05 03 24.4 18.8 T ES021215
PK07Q020 C2007 09 12.88948 22 45 57.31 -05 03 25.3 19.3 T ES021215
PK07Q020 C2007 09 12.89054 22 45 57.33 -05 03 26.2 19.3 T ES021215
PK07Q020 C2007 09 13.31875 22 45 59.95 -05 08 40.6 18.5 T ES021673
PK07Q020 C2007 09 13.32234 22 45 59.96 -05 08 43.0 ES021673
PK07Q020 C2007 09 13.32998 22 45 59.97 -05 08 48.6 ES021673
PK07Q020 C2007 09 13.33484 22 45 59.98 -05 08 51.9 ES021673
PK07Q020 C2007 09 15.16322 22 46 13.99 -05 31 07.9 ES021691
PK07Q020 C2007 09 15.18081 22 46 14.07 -05 31 20.8 ES021691
PK07Q020 C2007 09 15.19593 22 46 14.14 -05 31 32.0 ES021691
PK07Q020 C2007 09 15.56330 22 46 16.88 -05 35 46.2 19.6 N ES021415
PK07Q020 C2007 09 15.57035 22 46 16.90 -05 35 51.2 20.3 N ES021415
PK07Q020 C2007 09 15.85568 22 46 19.42 -05 39 30.4 19.2 N ES021B42
PK07Q020 C2007 09 15.85663 22 46 19.54 -05 39 37.1 18.2 N ES021473
PK07Q020 C2007 09 15.86104 22 46 19.43 -05 39 33.7 18.0 N ES021B42
PK07Q020 C2007 09 15.90619 22 46 20.13 -05 40 03.7 18.6 N ES021J47
PK07Q020 C2007 09 15.92429 22 46 20.22 -05 40 16.8 18.8 N ES021J47
PK07Q020 C2007 09 15.93946 22 46 20.30 -05 40 28.0 18.7 N ES021J47
Observer details:
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
691 Steward Observatory, Kitt Peak. Observers J. V. Scotti, M. T. Read.
0.9-m f/3 reflector + CCD.
B42 Vitebsk. Observer V. Nevski. 0.3-m f/5.0 reflector + CCD.
J47 Observatorio Nazaret. Observer G. Muler. 0.20-m Schmidt-Cassegrain + CCD.
Orbital elements:
P/2007 Q2 (Gilmore)
T 2007 Aug. 23.903 TT MPC
q 1.84067 (2000.0) P Q
n 0.073951 Peri. 163.177 +0.909973 +0.413970
a 5.62135 Node 172.238 -0.398003 +0.888211
e 0.67256 Incl. 10.259 -0.116375 +0.199275
P 13.3
From 88 observations 2007 Aug. 22-Sept. 15.
Ephemeris:
P/2007 Q2 (Gilmore)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 09 17 22 46.49 -05 53.0 0.864 1.858 167.1 7.0 18.4
2007 09 27 22 48.84 -07 41.5 0.909 1.874 157.3 11.9 18.5
2007 10 07 22 53.05 -09 04.7 0.974 1.896 147.8 16.3 18.7
2007 10 17 22 59.36 -09 57.3 1.057 1.924 139.0 19.9 19.0
2007 10 27 23 07.74 -10 18.8 1.156 1.956 130.8 22.6 19.2
2007 11 06 23 17.94 -10 12.1 1.270 1.992 123.1 24.6 19.5
2007 11 16 23 29.67 -09 40.9 1.396 2.033 115.9 25.9 19.8
2007 11 26 23 42.61 -08 49.7 1.532 2.077 109.1 26.7 20.1
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-S21
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