MPEC 2012-G37 : 2012 GC2
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M.P.E.C. 2012-G37 Issued 2012 Apr. 13, 17:35 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 GC2
Observations:
K12G02C*QC2012 04 12.61624 13 07 44.61 -09 32 44.2 18.2 VrEG037E12
K12G02C QC2012 04 12.63023 13 07 46.26 -09 30 48.5 18.6 VrEG037E12
K12G02C QC2012 04 12.64436 13 07 47.92 -09 28 52.2 18.4 VrEG037E12
K12G02C QC2012 04 12.68243 13 07 52.47 -09 23 35.5 rEG037E12
K12G02C QC2012 04 12.69733 13 07 54.38 -09 21 31.7 18.2 VrEG037E12
K12G02C QC2012 04 12.76947 13 08 03.97 -09 11 24.8 rEG037E12
K12G02C QC2012 04 12.77285 13 08 04.46 -09 10 55.6 rEG037E12
K12G02C KC2012 04 12.89336 13 08 28.91 -08 56 14.4 17.6 RuEG037B42
K12G02C KC2012 04 12.89536 13 08 29.17 -08 55 57.3 17.0 RuEG037B42
K12G02C KC2012 04 12.89835 13 08 29.57 -08 55 32.0 17.7 RuEG037B42
K12G02C KC2012 04 12.89865 13 08 31.83 -08 55 25.2 uEG037J95
K12G02C KC2012 04 12.90036 13 08 32.01 -08 55 11.2 uEG037J95
K12G02C KC2012 04 12.90253 13 08 32.32 -08 54 52.4 17.1 RuEG037J95
K12G02C KC2012 04 12.90492 13 08 32.88 -08 54 25.3 18.1 VvEG037I93
K12G02C KC2012 04 12.91148 13 08 33.74 -08 53 29.5 18.3 VvEG037I93
K12G02C KC2012 04 12.91753 13 08 34.51 -08 52 38.2 18.2 VvEG037I93
K12G02C KC2012 04 13.00673 13 08 50.93 -08 37 41.2 18.1 VuEG037I39
K12G02C KC2012 04 13.02341 13 08 53.17 -08 35 18.2 17.9 VuEG037I39
K12G02C KC2012 04 13.04010 13 08 55.39 -08 32 53.3 17.9 VuEG037I39
K12G02C KC2012 04 13.05874 13 08 56.81 -08 30 38.8 18.2 RrEG037I77
K12G02C KC2012 04 13.06351 13 08 57.40 -08 29 56.4 17.9 RrEG037I77
K12G02C KC2012 04 13.06907 13 08 58.09 -08 29 07.6 17.6 RrEG037I77
K12G02C C2012 04 13.23645 13 09 25.52 -08 05 55.4 18.5 VrEG037703
K12G02C C2012 04 13.23703 13 09 25.59 -08 05 50.7 18.6 VrEG037703
K12G02C C2012 04 13.23758 13 09 25.77 -08 05 44.7 17.9 VrEG037703
K12G02C C2012 04 13.23816 13 09 25.74 -08 05 39.8 17.8 VrEG037703
K12G02C QC2012 04 13.42564 13 09 59.59 -07 35 28.7 18.3 VrEG037E12
K12G02C QC2012 04 13.42910 13 10 00.09 -07 34 56.9 18.3 VrEG037E12
K12G02C C2012 04 13.51081 13 10 11.20 -07 22 21.1 18.9 VoEG037E23
K12G02C C2012 04 13.51516 13 10 11.77 -07 21 42.6 17.8 VoEG037E23
K12G02C C2012 04 13.52488 13 10 13.04 -07 20 10.8 18.5 VoEG037E23
K12G02C C2012 04 13.53059 13 10 13.88 -07 19 17.4 18.9 VoEG037E23
K12G02C QC2012 04 13.55665 13 10 17.55 -07 15 17.7 18.3 VrEG037E12
K12G02C QC2012 04 13.56027 13 10 18.03 -07 14 43.8 18.4 VrEG037E12
Observer details:
703 Catalina Sky Survey. Observer R. E. Hill. 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.
B42 Vitebsk. Observer V. Nevski. 0.3-m f/5.0 reflector + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m Schmidt-Cassegrain + CCD.
I39 Observatorio Cruz del Sur, San Justo. Observers A. Chapman, N. D. Diaz.
Measurer A. Chapman. 0.20-m f/4 reflector + CCD.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 reflector + 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 GC2 Earth MOID = 0.0453 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 310.20265 (2000.0) P Q
n 0.56151375 Peri. 70.53691 +0.05965912 +0.99439312
a 1.4551099 Node 203.40911 -0.97832133 +0.04086917
e 0.3943397 Incl. 12.69512 -0.19831329 +0.09752970
P 1.76 H 23.0 G 0.15 U 7
Residuals in seconds of arc
120412 E12 0.0 0.2- 120412 J95 0.2- 0.1- 120413 703 0.6+ 0.9+
120412 E12 0.3+ 0.2+ 120412 I93 0.0 0.1- 120413 703 0.9- 0.6+
120412 E12 0.3+ 0.2- 120412 I93 0.1+ 0.0 120413 E12 0.0 0.2-
120412 E12 0.5- 0.3+ 120412 I93 0.1- 0.2- 120413 E12 0.0 0.0
120412 E12 0.2+ 0.3- 120413 I39 0.2+ 0.4+ 120413 E23 0.2+ 0.0
120412 E12 0.1- 0.2- 120413 I39 0.2- 0.3- 120413 E23 0.0 1.8-
120412 E12 0.0 0.4+ 120413 I39 0.2- 0.4+ 120413 E23 0.5- 0.4-
120412 B42 0.3+ 0.4+ 120413 I77 0.0 0.5- 120413 E23 0.6+ 0.1-
120412 B42 0.3+ 0.5+ 120413 I77 0.2+ 0.4+ 120413 E12 0.1+ 0.1+
120412 B42 0.4+ 0.4+ 120413 I77 0.4+ 0.8+ 120413 E12 0.1+ 0.2+
120412 J95 0.3+ 0.0 120413 703 0.9- 0.2+
120412 J95 0.5- 0.5- 120413 703 1.0- 0.2-
Ephemeris:
2012 GC2 a,e,i = 1.46, 0.39, 13 q = 0.8813
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 03 14 12 41 22.8 -27 30 35 0.3172 1.2700 146.2 25.8 22.2
...
2012 03 29 12 49 11.9 -24 53 33 0.1917 1.1784 158.1 18.4 20.7
...
2012 04 06 12 56 10.7 -19 39 06 0.1326 1.1301 166.8 11.7 19.6
...
2012 04 12 13 06 16.6 -10 54 10 0.09259 1.0947 175.4 4.2 18.4
2012 04 13 13 08 45.3 -08 39 36 0.08646 1.0889 175.7 4.0 18.2
2012 04 14 13 11 34.6 -06 04 46 0.08053 1.0832 174.4 5.2 18.1
...
2012 04 20 13 41 37.0 +20 25 17 0.05222 1.0493 148.0 30.5 18.0
...
2012 04 28 17 24 36.3 +72 20 38 0.05582 1.0069 88.4 88.4 19.9
...
2012 05 13 23 40 00.5 +56 35 24 0.1389 0.9394 55.8 117.2 23.2
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-G37
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