MPEC 2007-R55 : COMET P/2007 R2 (GIBBS)
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M.P.E.C. 2007-R55 Issued 2007 Sept. 12, 13:16 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 R2 (GIBBS)
Observations:
PK07R020 C2007 09 10.41401 03 06 39.70 +17 40 47.3 18.2 T ER055703
PK07R020 C2007 09 10.42109 03 06 40.39 +17 40 52.3 ER055703
PK07R020 C2007 09 10.42817 03 06 41.18 +17 40 55.4 ER055703
PK07R020 C2007 09 10.43529 03 06 41.79 +17 40 59.3 ER055703
PK07R020 C2007 09 10.49163 03 06 47.12 +17 41 30.7 ER055703
PK07R020 C2007 09 10.50625 03 06 48.34 +17 41 37.2 18.4 T ER055703
PK07R020 C2007 09 10.50714 03 06 48.60 +17 41 39.3 18.3 T ER055703
PK07R020 C2007 09 10.50802 03 06 48.71 +17 41 39.5 17.9 T ER055703
PK07R020 C2007 09 10.50890 03 06 48.76 +17 41 39.5 18.3 T ER055703
PK07R020 C2007 09 11.16527 03 07 53.78 +17 47 28.5 ER055J95
PK07R020 C2007 09 11.16926 03 07 54.18 +17 47 30.7 ER055J95
PK07R020 C2007 09 11.17380 03 07 54.60 +17 47 33.2 ER055J95
PK07R020 C2007 09 11.17837 03 07 55.00 +17 47 35.9 19.0 T ER055J95
PK07R020 C2007 09 11.35521 03 08 12.93 +17 49 12.2 18.0 T ER055673
PK07R020 C2007 09 11.36099 03 08 13.47 +17 49 15.3 ER055673
PK07R020 C2007 09 11.37894 03 08 15.17 +17 49 25.3 ER055673
PK07R020 C2007 09 11.38657 03 08 15.86 +17 49 29.7 ER055673
PK07R020 C2007 09 11.44109 03 08 20.82 +17 49 59.5 19.3 N ER055651
PK07R020 C2007 09 11.44508 03 08 21.21 +17 50 01.7 19.2 N ER055651
PK07R020 C2007 09 11.45170 03 08 21.80 +17 50 05.6 19.3 N ER055651
PK07R020 C2007 09 11.54439 03 08 31.02 +17 50 56.9 ER055F65
PK07R020 C2007 09 11.55213 03 08 31.81 +17 51 00.8 ER055F65
PK07R020 C2007 09 11.55699 03 08 32.19 +17 51 03.7 ER055F65
PK07R020 C2007 09 11.99890 03 09 15.09 +17 54 49.7 19.0 T ER055A13
PK07R020 C2007 09 12.01710 03 09 16.79 +17 54 59.4 19.1 T ER055A13
PK07R020 C2007 09 12.03051 03 09 17.88 +17 55 05.7 19.5 T ER055151
PK07R020 C2007 09 12.03202 03 09 18.00 +17 55 06.5 19.3 T ER055151
PK07R020 C2007 09 12.03354 03 09 18.17 +17 55 07.3 19.3 T ER055151
PK07R020 C2007 09 12.03503 03 09 18.30 +17 55 08.1 19.4 T ER055151
PK07R020 C2007 09 12.03805 03 09 18.62 +17 55 10.1 19.6 T ER055151
PK07R020 C2007 09 12.12453 03 09 26.78 +17 55 54.8 ER055J95
PK07R020 C2007 09 12.12971 03 09 27.22 +17 55 57.9 19.0 T ER055J95
PK07R020 C2007 09 12.13625 03 09 27.88 +17 56 01.7 ER055J95
PK07R020 C2007 09 12.14303 03 09 28.50 +17 56 04.7 ER055J95
PK07R020 C2007 09 12.14962 03 09 29.11 +17 56 08.3 19.2 T ER055J95
PK07R020 C2007 09 12.38318 03 09 51.45 +17 58 12.3 19.3 T ER055734
PK07R020 C2007 09 12.39044 03 09 52.15 +17 58 15.5 19.6 T ER055734
PK07R020 C2007 09 12.39770 03 09 52.79 +17 58 19.9 19.8 T ER055734
PK07R020 C2007 09 12.47063 03 09 59.54 +17 58 59.0 18.7 T ER055G96
PK07R020 C2007 09 12.47639 03 09 59.97 +17 59 01.8 18.5 T ER055G96
PK07R020 C2007 09 12.48206 03 10 00.51 +17 59 04.8 18.7 T ER055G96
PK07R020 C2007 09 12.48426 03 10 00.93 +17 59 06.4 18.0 T ER055673
PK07R020 C2007 09 12.48762 03 10 00.98 +17 59 07.5 18.5 T ER055G96
PK07R020 C2007 09 12.48866 03 10 01.29 +17 59 08.2 ER055673
PK07R020 C2007 09 12.49792 03 10 02.13 +17 59 12.9 ER055673
PK07R020 C2007 09 12.50069 03 10 02.42 +17 59 14.6 ER055673
Observer details:
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.9
Hypergraph + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer A. R. Gibbs. Measurers E. C. Beshore,
A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson. 0.68-m Schmidt + CCD.
734 Farpoint Observatory. Observer D. Tibbets. 0.7-m reflector + CCD.
A13 Observatoire Naef, Marly. Observer P. Kocher. 0.5-m f/3.3 Hypergraph
+ CCD.
F65 Haleakala-Faulkes Telescope North. Observer D. Duggan. 2.0-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer E. C. Beshore. Measurers E. C. Beshore,
A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson. 1.5-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
P/2007 R2 (Gibbs)
T 2007 Aug. 26.359 TT MPC
q 1.45571 (2000.0) P Q
n 0.165017 Peri. 352.796 +0.999735 -0.022728
a 3.29193 Node 8.509 +0.022154 +0.907264
e 0.55779 Incl. 1.410 +0.006243 +0.419947
P 5.97
From 45 observations 2007 Sept. 10-12.
Ephemeris:
P/2007 R2 (Gibbs)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 09 07 03 00.75 +17 08.8 0.702 1.461 116.2 38.2 17.9
2007 09 17 03 16.70 +18 36.0 0.670 1.474 121.9 35.4 17.8
2007 09 27 03 28.16 +19 43.1 0.645 1.494 128.8 31.5 17.8
2007 10 07 03 34.53 +20 30.6 0.629 1.521 137.0 26.6 17.8
2007 10 17 03 35.67 +20 58.6 0.622 1.554 146.5 20.7 17.9
2007 10 27 03 32.30 +21 08.3 0.630 1.593 157.1 14.1 18.0
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-R55
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