MPEC 2009-C18 : 2009 CG
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M.P.E.C. 2009-C18 Issued 2009 Feb. 2, 17:13 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
2009 CG
Observations:
K09C00G* C2009 02 01.35140 09 54 22.75 -13 30 32.9 19.0 V EC018703
K09C00G C2009 02 01.35745 09 54 23.86 -13 29 06.7 19.0 V EC018703
K09C00G C2009 02 01.36347 09 54 24.96 -13 27 43.9 18.5 V EC018703
K09C00G C2009 02 01.40571 09 54 32.39 -13 17 40.4 18.7 V EC018703
K09C00G C2009 02 01.40630 09 54 32.33 -13 17 31.3 18.1 V EC018703
K09C00G C2009 02 01.40683 09 54 32.48 -13 17 25.3 19.0 V EC018703
K09C00G C2009 02 01.40743 09 54 32.61 -13 17 16.7 19.0 V EC018703
K09C00G C2009 02 01.42465 09 54 42.12 -13 11 03.3 18.6 R EC018474
K09C00G C2009 02 01.42581 09 54 42.20 -13 10 47.4 18.9 R EC018474
K09C00G C2009 02 01.42685 09 54 42.55 -13 10 35.0 18.6 R EC018474
K09C00G C2009 02 01.43079 09 54 43.31 -13 09 39.3 18.5 R EC018474
K09C00G C2009 02 01.43194 09 54 43.49 -13 09 21.7 18.5 R EC018474
K09C00G C2009 02 01.43322 09 54 43.75 -13 09 02.9 18.9 R EC018474
K09C00G C2009 02 01.43591 09 54 37.71 -13 10 31.8 19.4 V EC018703
K09C00G C2009 02 01.43654 09 54 37.82 -13 10 22.6 19.2 V EC018703
K09C00G C2009 02 01.43709 09 54 37.94 -13 10 14.3 19.1 V EC018703
K09C00G C2009 02 02.28160 09 57 38.34 -09 50 31.3 19.1 V EC018G96
K09C00G C2009 02 02.28214 09 57 38.48 -09 50 23.2 19.1 V EC018G96
K09C00G C2009 02 02.28268 09 57 38.55 -09 50 15.8 19.2 V EC018G96
K09C00G C2009 02 02.28316 09 57 38.66 -09 50 09.0 19.2 V EC018G96
K09C00G tC2009 02 02.43253 09 58 03.91 -09 14 53.1 19.7 V EC018291
K09C00G tC2009 02 02.43637 09 58 04.60 -09 13 58.4 19.7 V EC018291
K09C00G tC2009 02 02.44059 09 58 05.27 -09 12 59.1 EC018291
K09C00G C2009 02 02.47414 09 58 11.02 -09 05 03.3 18.9 V EC018G96
K09C00G C2009 02 02.47476 09 58 11.13 -09 04 54.6 19.1 V EC018G96
K09C00G C2009 02 02.47537 09 58 11.24 -09 04 45.9 18.7 V EC018G96
K09C00G C2009 02 02.47597 09 58 11.38 -09 04 37.2 18.9 V EC018G96
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. Measurer
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
703 Catalina Sky Survey. Observer A. Boattini. Measurers 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. 0.68-m Schmidt + CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers 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:
2009 CG Earth MOID = 0.0821 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 347.65294 (2000.0) P Q
n 0.59279097 Peri. 307.10013 +0.01989631 -0.98001845
a 1.4034652 Node 140.32193 +0.98715526 -0.01212906
e 0.2986308 Incl. 18.05756 +0.15852009 +0.19853647
P 1.66 H 22.9 G 0.15 U 8
Residuals in seconds of arc
090201 703 0.0 0.4- 090201 474 0.5+ 1.2- 090202 G96 0.8- 0.0
090201 703 0.7+ 0.0 090201 474 0.6+ 1.1- 090202 G96 0.3- 0.1+
090201 703 (1.3+ 2.7-) 090201 474 0.0 0.2+ 090202 291 0.2+ 0.1+
090201 703 1.1+ 0.5+ 090201 474 0.2+ 1.0+ 090202 291 0.7+ 0.3+
090201 703 1.3- 1.2+ 090201 703 0.1+ 1.0- 090202 291 0.1- 0.2-
090201 703 0.5- 0.4- 090201 703 0.0 0.8- 090202 G96 0.3- 0.3-
090201 703 0.2- 0.3- 090201 703 0.3+ 0.3- 090202 G96 0.3- 0.4-
090201 474 0.5+ 1.5+ 090202 G96 1.1- 0.2- 090202 G96 0.3- 0.3-
090201 474 1.6- 1.0+ 090202 G96 0.4- 0.3+ 090202 G96 0.2+ 0.1-
Ephemeris:
2009 CG a,e,i = 1.40, 0.30, 18 q = 0.9843
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 01 29 09 41.63 -26 21.0 0.0906 1.050 133.7 42.8 19.4
2009 02 08 10 14.59 +11 02.4 0.0990 1.083 167.6 11.2 18.7
2009 02 18 10 34.35 +33 44.5 0.143 1.122 157.0 20.1 19.9
2009 02 28 10 45.44 +43 26.2 0.204 1.163 144.6 29.6 21.1
2009 03 10 10 52.56 +47 02.9 0.274 1.207 136.7 34.4 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-C18
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