MPEC 2007-S53 : COMET P/2007 R2 (GIBBS)
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M.P.E.C. 2007-S53 Issued 2007 Sept. 25, 15:41 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 18.06786 03 18 09.47 +18 44 03.5 17.9 T ES053585
PK07R020 C2007 09 18.07280 03 18 10.22 +18 44 05.2 18.1 T ES053585
PK07R020 C2007 09 18.07718 03 18 10.36 +18 44 07.6 18.0 T ES053585
PK07R020 C2007 09 18.08354 03 18 10.70 +18 44 10.0 18.0 T ES053585
PK07R020 C2007 09 18.08847 03 18 11.24 +18 44 11.5 18.1 T ES053585
PK07R020 C2007 09 19.31002 03 19 47.74 +18 53 16.9 20.4 T ES053704
PK07R020 C2007 09 19.32196 03 19 48.58 +18 53 23.2 19.6 T ES053704
PK07R020 C2007 09 19.33391 03 19 49.31 +18 53 28.5 20.0 T ES053704
PK07R020 C2007 09 20.99377 03 21 52.81 +19 05 11.5 19.8 N ES053B42
PK07R020 C2007 09 20.99384 03 21 52.90 +19 05 11.9 19.3 N ES053B42
Observer details:
585 Kiev comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
B42 Vitebsk. Observer V. Nevski. 0.3-m f/5.0 reflector + CCD.
Orbital elements:
P/2007 R2 (Gibbs)
T 2007 Aug. 26.573 TT MPC
q 1.46455 (2000.0) P Q
n 0.155082 Peri. 352.969 +0.999525 -0.030578
a 3.43106 Node 8.786 +0.029349 +0.906913
e 0.57315 Incl. 1.431 +0.009393 +0.420207
P 6.36
From 75 observations 2007 Sept. 10-19.
Ephemeris:
P/2007 R2 (Gibbs)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 09 17 03 16.71 +18 36.1 0.681 1.483 121.9 35.1 17.9
2007 09 27 03 28.21 +19 43.4 0.656 1.503 128.8 31.3 17.9
2007 10 07 03 34.67 +20 31.1 0.639 1.530 136.9 26.5 17.9
2007 10 17 03 35.95 +20 59.6 0.633 1.564 146.4 20.7 17.9
2007 10 27 03 32.76 +21 10.0 0.640 1.603 157.0 14.0 18.1
2007 11 06 03 26.62 +21 04.9 0.664 1.647 168.3 7.0 18.3
2007 11 16 03 19.56 +20 49.4 0.707 1.696 177.6 1.4 18.5
2007 11 26 03 13.64 +20 31.1 0.771 1.749 168.0 6.7 18.9
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-S53
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