MPEC 2012-C45 : 2012 CD18
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M.P.E.C. 2012-C45 Issued 2012 Feb. 12, 23:14 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
2012 CD18
Observations:
K12C18D* C2012 02 11.39696 09 43 52.03 +25 45 24.8 18.2 VrEC045703
K12C18D C2012 02 11.40488 09 44 03.19 +25 48 33.8 18.2 VrEC045703
K12C18D C2012 02 11.41286 09 44 14.49 +25 51 42.9 18.3 VrEC045703
K12C18D C2012 02 11.42090 09 44 25.98 +25 54 54.1 18.3 VrEC045703
K12C18D KC2012 02 11.92974 09 57 35.33 +29 14 11.7 uEC045J95
K12C18D KC2012 02 11.93141 09 57 37.88 +29 14 51.1 uEC045J95
K12C18D KC2012 02 11.93310 09 57 40.41 +29 15 30.7 17.8 RuEC045J95
K12C18D KC2012 02 11.93405 09 57 34.51 +29 16 28.8 18.2 RuEC045B18
K12C18D KC2012 02 11.93765 09 57 39.90 +29 17 51.9 18.0 RuEC045B18
K12C18D KC2012 02 11.94139 09 57 45.48 +29 19 17.6 18.0 RuEC045B18
K12C18D KC2012 02 11.96854 09 58 34.36 +29 29 40.3 18.6 VuEC045I93
K12C18D KC2012 02 11.97314 09 58 41.29 +29 31 27.2 18.6 VuEC045I93
K12C18D KC2012 02 11.97970 09 58 51.21 +29 34 00.0 18.6 VuEC045I93
K12C18D KC2012 02 11.98631 09 59 01.13 +29 36 33.2 18.2 VuEC045I93
K12C18D C2012 02 12.24378 10 05 55.28 +31 14 58.2 19.1 VrEC045703
K12C18D C2012 02 12.25167 10 06 07.41 +31 17 58.4 18.7 VrEC045703
K12C18D C2012 02 12.25960 10 06 19.69 +31 20 59.3 18.2 VrEC045703
K12C18D C2012 02 12.26770 10 06 32.07 +31 24 02.9 18.3 VrEC045703
K12C18D C2012 02 12.27188 10 06 38.73 +31 25 38.0 18.4 RcEC045854
K12C18D C2012 02 12.27377 10 06 41.54 +31 26 21.4 18.5 RcEC045854
K12C18D C2012 02 12.27565 10 06 44.47 +31 27 03.3 18.4 RcEC045854
K12C18D KC2012 02 12.33402510 08 09.42 +31 48 26.4 18.1 VtEC045H21
K12C18D KC2012 02 12.33843710 08 16.24 +31 50 03.3 18.5 VtEC045H21
K12C18D KC2012 02 12.34376810 08 24.54 +31 52 01.8 19.0 VtEC045H21
K12C18D KC2012 02 12.34777010 08 30.74 +31 53 29.8 18.6 VtEC045H21
K12C18D C2012 02 12.35194 10 08 41.64 +31 55 35.4 18.8 VrEC045703
K12C18D C2012 02 12.35232 10 08 42.28 +31 55 44.7 18.4 VrEC045703
K12C18D C2012 02 12.35271 10 08 42.82 +31 55 53.7 18.0 VrEC045703
K12C18D C2012 02 12.35311 10 08 43.51 +31 56 02.0 18.5 VrEC045703
K12C18D KC2012 02 12.91180 10 24 18.80 +35 15 29.6 17.8 RuEC045C44
K12C18D KC2012 02 12.91362 10 24 21.82 +35 16 06.7 17.9 RuEC045C44
Observer details:
703 Catalina Sky Survey. Observer A. R. Gibbs. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov,
N. Karpov. Measurer M. Andreev. 0.6-m Cassegrain + CCD.
C44 A. Volta Observatory, Lanzo d'Intelvi. Observer F. Tozzi. 0.40-m f/3.5
reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 CD18 Earth MOID = 0.0436 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 8.98113 (2000.0) P Q
n 0.34832373 Peri. 8.33714 -0.84917356 -0.49337144
a 2.0005405 Node 140.23387 +0.46596200 -0.86783925
e 0.4865841 Incl. 17.12816 +0.24856323 -0.05864855
P 2.83 H 24.3 G 0.15 U 5
Residuals in seconds of arc
120211 703 0.1+ 0.1- 120211 I93 0.2- 0.2- 120212 H21 0.2+ 0.6-
120211 703 0.5- 0.5+ 120211 I93 0.3+ 0.1+ 120212 H21 0.4+ 0.2+
120211 703 0.6- 0.0 120211 I93 0.1- 0.1- 120212 H21 0.1+ 0.2-
120211 703 0.3+ 0.5+ 120212 703 0.5- 0.4- 120212 703 0.8- 0.4-
120211 J95 0.0 0.2- 120212 703 0.8- 0.1- 120212 703 0.2- 0.5+
120211 J95 0.2+ 0.1+ 120212 703 0.2+ 0.2+ 120212 703 0.9- 0.8+
120211 J95 0.2- 0.2+ 120212 703 0.8- 0.2- 120212 703 0.0 0.2+
120211 B18 0.1+ 0.2- 120212 854 1.8+ 0.3- 120212 C44 0.7- 0.9+
120211 B18 0.1+ 0.3- 120212 854 0.6+ 0.2+ 120212 C44 0.3- 0.2-
120211 B18 0.1- 0.9- 120212 854 1.1+ 0.5-
120211 I93 0.2- 0.1- 120212 H21 0.5+ 0.1+
Ephemeris:
2012 CD18 a,e,i = 2.00, 0.49, 17 q = 1.0271
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 01 13 06 32 56.6 -32 41 21 0.1990 1.1063 123.7 47.7 22.8
...
2012 01 28 07 02 38.8 -26 17 22 0.1044 1.0543 129.5 46.1 21.3
...
2012 02 05 07 55 37.0 -10 01 04 0.06016 1.0372 147.7 30.5 19.6
...
2012 02 11 09 34 20.2 +23 05 42 0.04341 1.0297 171.2 8.4 18.1
2012 02 12 09 59 18.9 +29 42 25 0.04365 1.0289 163.6 15.7 18.4
2012 02 13 10 26 40.7 +35 46 19 0.04489 1.0283 155.9 23.1 18.7
...
2012 02 19 13 15 54.4 +53 25 22 0.06709 1.0273 123.9 53.0 20.4
...
2012 02 27 15 09 07.9 +53 51 56 0.1117 1.0336 109.9 64.2 21.9
...
2012 03 13 16 02 37.1 +50 44 38 0.1998 1.0677 106.4 63.3 23.2
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-C45
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