MPEC 2011-S28 : COMET C/2011 S1 (GIBBS)
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M.P.E.C. 2011-S28 Issued 2011 Sept. 21, 18:56 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET C/2011 S1 (GIBBS)
Observations:
CK11S010 C2011 09 18.27457 23 26 06.43 -01 12 22.3 21.2 TrES028G96
CK11S010 C2011 09 18.28154 23 26 06.21 -01 12 22.7 20.3 TrES028G96
CK11S010 C2011 09 18.28852 23 26 06.14 -01 12 23.6 21.2 TrES028G96
CK11S010 C2011 09 18.29549 23 26 05.92 -01 12 24.3 20.3 TrES028G96
CK11S010 C2011 09 18.33898 23 26 05.02 -01 12 30.9 20.4 TrES028G96
CK11S010 C2011 09 18.35365 23 26 04.74 -01 12 32.3 21.3 TrES028G96
CK11S010 C2011 09 18.36098 23 26 04.63 -01 12 33.0 20.7 TrES028G96
CK11S010 C2011 09 19.36174 23 25 44.50 -01 14 50.9 20.5 TrES028G96
CK11S010 C2011 09 19.36979 23 25 44.32 -01 14 52.4 19.9 TrES028G96
CK11S010 C2011 09 19.37803 23 25 44.14 -01 14 54.1 20.3 TrES028G96
CK11S010 C2011 09 19.38629 23 25 43.93 -01 14 55.3 20.0 TrES028G96
CK11S010 |C2011 09 20.24810 23 25 26.74 -01 16 51.7 21.9 ToES028807
CK11S010 |C2011 09 20.25721 23 25 26.55 -01 16 53.0 21.4 ToES028807
CK11S010 C2011 09 20.32308 23 25 25.16 -01 17 04.0 21.1 ToES028291
CK11S010 C2011 09 20.33277 23 25 25.04 -01 17 05.2 21.4 ToES028291
CK11S010 C2011 09 20.34000 23 25 24.83 -01 17 06.5 21.2 ToES028291
CK11S010 7C2011 09 20.49263 23 25 21.79 -01 17 27.4 21.6 TrES028F65
CK11S010 7C2011 09 20.49459 23 25 21.75 -01 17 27.7 21.5 TrES028F65
CK11S010 7C2011 09 20.49655 23 25 21.77 -01 17 28.1 21.6 TrES028F65
CK11S010 KC2011 09 21.57815 23 25 00.15 -01 19 57.2 21.2 ToES028E10
CK11S010 KC2011 09 21.57912 23 25 00.14 -01 19 56.6 21.5 ToES028E10
CK11S010 KC2011 09 21.58010 23 25 00.12 -01 19 56.8 21.4 ToES028E10
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo. Observers R. Holmes, T. Linder, V. Hoette. Measurers
R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien + CCD.
E10 Siding Spring-Faulkes Telescope South. Observers G. Sostero, N. Howes,
E. Guido. 2.0-m f/10.0 Ritchey-Chretien + CCD.
F65 Haleakala-Faulkes Telescope North. Observers P. Miller, P. Roche,
A. Tripp, R. Miles, R. Holmes, L. Buzzi, S. Fogl. Measurers L. Buzzi,
S. Foglia. 2.0-m f/10.0 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers A. R. Gibbs, S. F. Tornero. Measurers
J. D. Ahern, E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
1.5-m reflector + CCD.
Orbital elements:
C/2011 S1 (Gibbs)
T 2013 Jan. 16.53738 TT MPC
q 4.9878456 (2000.0) P Q
Peri. 174.64609 +0.71235679 -0.70118411
Node 229.92249 +0.64245035 +0.66860713
e 1.0 Incl. 2.23274 +0.28249840 +0.24759919
From 22 observations 2011 Sept. 18-21.
Ephemeris:
C/2011 S1 (Gibbs)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2011 08 22 23 34 34.1 -00 17 05 5.3851 6.3118 154.3 4.0 21.2
...
2011 09 06 23 30 10.3 -00 45 05 5.2509 6.2457 169.8 1.6 21.1
...
2011 09 14 23 27 32.3 -01 02 36 5.2058 6.2109 177.3 0.4 21.0
...
2011 09 20 23 25 31.7 -01 16 19 5.1843 6.1850 174.6 0.9 21.0
2011 09 21 23 25 11.7 -01 18 37 5.1818 6.1807 173.6 1.0 21.0
2011 09 22 23 24 51.8 -01 20 55 5.1796 6.1764 172.6 1.2 21.0
...
2011 09 28 23 22 54.3 -01 34 41 5.1724 6.1508 166.3 2.2 21.0
...
2011 10 06 23 20 28.1 -01 52 21 5.1790 6.1168 157.8 3.5 20.9
...
2011 10 21 23 16 49.9 -02 20 43 5.2380 6.0540 142.0 5.8 20.9
Gareth V. Williams (C) Copyright 2011 MPC M.P.E.C. 2011-S28
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