MPEC 2012-G38 : 2012 GD2
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M.P.E.C. 2012-G38 Issued 2012 Apr. 13, 17:58 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 GD2
Observations:
K12G02D* C2012 04 12.24921 13 15 21.42 +02 00 08.9 17.2 VrEG038703
K12G02D C2012 04 12.25425 13 15 24.58 +02 04 15.9 16.9 VrEG038703
K12G02D C2012 04 12.25934 13 15 27.75 +02 08 25.9 16.9 VrEG038703
K12G02D C2012 04 12.26448 13 15 30.99 +02 12 36.7 16.8 VrEG038703
K12G02D KC2012 04 12.30967813 15 55.53 +02 49 06.3 16.9 VrEG038H21
K12G02D KC2012 04 12.31144213 15 56.66 +02 50 32.5 16.9 VrEG038H21
K12G02D KC2012 04 12.31320613 15 57.78 +02 51 58.6 17.1 VrEG038H21
K12G02D KC2012 04 12.31497013 15 58.90 +02 53 24.7 17.2 VrEG038H21
K12G02D KC2012 04 12.31673513 16 00.02 +02 54 50.8 17.3 VrEG038H21
K12G02D KC2012 04 12.31851713 16 01.17 +02 56 17.9 17.4 VrEG038H21
K12G02D C2012 04 12.31985 13 16 05.62 +02 57 44.6 17.3 VrEG038703
K12G02D C2012 04 12.32030 13 16 05.88 +02 58 05.9 17.4 VrEG038703
K12G02D C2012 04 12.32075 13 16 06.13 +02 58 28.5 17.7 VrEG038703
K12G02D KC2012 04 12.32114313 16 02.83 +02 58 26.2 17.7 VrEG038H21
K12G02D C2012 04 12.32120 13 16 06.42 +02 58 50.3 17.7 VrEG038703
K12G02D C2012 04 12.37588 13 16 40.69 +03 43 15.8 16.7 VrEG038703
K12G02D C2012 04 12.37633 13 16 40.98 +03 43 38.4 16.9 VrEG038703
K12G02D C2012 04 12.37679 13 16 41.26 +03 44 01.4 17.0 VrEG038703
K12G02D C2012 04 12.37725 13 16 41.59 +03 44 23.7 16.9 VrEG038703
K12G02D C2012 04 12.49877 13 18 17.61 +05 22 38.3 17.1 RoEG038300
K12G02D C2012 04 12.49963 13 18 18.16 +05 23 20.3 17.5 RoEG038300
K12G02D C2012 04 12.50048 13 18 18.70 +05 24 01.9 17.3 RoEG038300
K12G02D C2012 04 12.50091 13 18 18.95 +05 24 21.7 17.2 RoEG038300
K12G02D C2012 04 12.50134 13 18 19.30 +05 24 42.7 17.3 RoEG038300
K12G02D C2012 04 12.59941 13 19 21.24 +06 43 41.9 17.4 RoEG038300
K12G02D C2012 04 12.59972 13 19 21.42 +06 43 57.6 17.2 RoEG038300
K12G02D C2012 04 12.60003 13 19 21.61 +06 44 12.0 17.3 RoEG038300
K12G02D C2012 04 12.60035 13 19 21.81 +06 44 28.4 17.4 RoEG038300
K12G02D C2012 04 12.60066 13 19 22.03 +06 44 42.3 17.4 RoEG038300
K12G02D QC2012 04 12.67674 13 20 06.78 +07 48 53.0 17.2 VrEG038E12
K12G02D KC2012 04 12.83470 13 22 04.78 +09 49 50.6 16.6 RuEG038B42
K12G02D KC2012 04 12.83909 13 22 07.65 +09 53 17.7 17.0 RuEG038B42
K12G02D KC2012 04 12.84122 13 22 09.01 +09 54 58.3 16.9 RuEG038B42
K12G02D KC2012 04 12.84313 13 22 10.23 +09 56 27.9 16.9 RuEG038B42
K12G02D KC2012 04 12.84597713 22 15.59 +09 58 43.5 uEG038J95
K12G02D KC2012 04 12.84664613 22 16.04 +09 59 15.4 uEG038J95
K12G02D KC2012 04 12.84728713 22 16.45 +09 59 45.5 16.6 RuEG038J95
K12G02D KC2012 04 12.89019 13 22 45.08 +10 33 45.4 18.0 VvEG038I93
K12G02D KC2012 04 12.89264 13 22 46.65 +10 35 40.6 18.2 VvEG038I93
K12G02D KC2012 04 12.89353 13 22 46.75 +10 35 57.9 17.2 RoEG038J16
K12G02D KC2012 04 12.89480 13 22 48.01 +10 37 21.9 17.8 VvEG038I93
K12G02D KC2012 04 12.89488 13 22 47.70 +10 37 01.1 16.6 RoEG038J16
K12G02D KC2012 04 12.89625 13 22 48.56 +10 38 05.4 16.6 RoEG038J16
K12G02D KC2012 04 12.89814 13 22 50.15 +10 39 59.0 17.7 VvEG038I93
K12G02D C2012 04 13.07558 13 24 51.40 +13 01 16.2 16.6 RoEG038844
K12G02D C2012 04 13.07603 13 24 51.70 +13 01 36.1 16.6 RoEG038844
K12G02D C2012 04 13.07648 13 24 51.97 +13 01 57.4 16.5 RoEG038844
K12G02D C2012 04 13.07692 13 24 52.22 +13 02 18.9 16.5 RoEG038844
K12G02D C2012 04 13.07737 13 24 52.54 +13 02 37.0 16.8 RoEG038844
K12G02D C2012 04 13.07782 13 24 52.79 +13 02 58.9 16.5 RoEG038844
K12G02D C2012 04 13.07828 13 24 53.09 +13 03 19.2 16.6 RoEG038844
K12G02D C2012 04 13.07873 13 24 53.37 +13 03 38.9 16.6 RoEG038844
K12G02D C2012 04 13.07918 13 24 53.60 +13 04 00.7 16.4 RoEG038844
K12G02D C2012 04 13.07962 13 24 53.96 +13 04 20.8 16.8 RoEG038844
K12G02D KC2012 04 13.14897113 25 30.41 +13 53 00.9 uEG038J95
K12G02D KC2012 04 13.15238713 25 32.65 +13 55 36.1 uEG038J95
K12G02D KC2012 04 13.15576313 25 34.87 +13 58 09.3 16.9 RuEG038J95
K12G02D C2012 04 13.23949 13 26 42.82 +15 02 22.9 17.2 VrEG038703
K12G02D C2012 04 13.24006 13 26 43.18 +15 02 48.4 17.1 VrEG038703
K12G02D C2012 04 13.24064 13 26 43.54 +15 03 14.9 17.1 VrEG038703
K12G02D C2012 04 13.24118 13 26 43.87 +15 03 39.0 17.2 VrEG038703
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, T. Sakamoto. 1.0-m
f/3.0 reflector + CCD.
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.
844 Los Molinos. Observers S. Bruzzone, R. Salvo, S. Roland, G. Tancredi,
M. Martinez. Measurer S. Roland. 0.46-m f/2.7 Newtonian reflector + 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0
astrograph + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J16 An Carraig Observatory, Loughinisland. Observer K. Rooney. 0.25-m f/10.0
Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 GD2 Earth MOID = 0.0462 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 333.94187 (2000.0) P Q
n 0.58565709 Peri. 16.54767 -0.80504298 +0.55191080
a 1.4148393 Node 201.73725 -0.58871498 -0.78838392
e 0.2650270 Incl. 35.96168 -0.07294161 +0.27174485
P 1.68 H 22.9 G 0.15 U 7
Residuals in seconds of arc
120412 703 0.2+ 0.2- 120412 300 0.0 0.3+ 120412 J16 0.4+ 0.1+
120412 703 0.1+ 0.1+ 120412 300 0.4- 0.7- 120412 I93 0.3- 0.1-
120412 703 0.3- 0.9+ 120412 300 0.7+ 0.6- 120413 844 0.1+ 0.6+
120412 703 0.0 0.1+ 120412 300 0.1- 0.9- 120413 844 0.3+ 0.2-
120412 H21 0.1- 0.4- 120412 300 0.3- 0.1- 120413 844 0.2+ 0.4+
120412 H21 0.0 0.4- 120412 300 0.4- 0.7- 120413 844 0.2- 1.6+
120412 H21 0.0 0.4- 120412 300 0.4- 0.3+ 120413 844 0.3+ 1.0-
120412 H21 0.0 0.5- 120412 300 0.0 0.7- 120413 844 0.1- 0.1+
120412 H21 0.1- 0.5- 120412 E12 0.2- 0.2+ 120413 844 0.0 0.8-
120412 H21 0.1+ 0.4- 120412 B42 0.2+ 0.8+ 120413 844 0.0 1.8-
120412 703 0.6+ 0.9+ 120412 B42 0.7+ 0.5+ 120413 844 0.8- 0.7-
120412 703 0.2+ 0.3+ 120412 B42 0.4+ 0.5+ 120413 844 0.5+ 0.9-
120412 703 0.2- 0.9+ 120412 B42 0.2+ 0.1- 120413 J95 0.1- 0.0
120412 H21 0.1- 0.3- 120412 J95 0.0 0.1- 120413 J95 0.1- 0.0
120412 703 0.1- 0.7+ 120412 J95 0.2+ 0.2+ 120413 J95 0.1+ 0.0
120412 703 0.3- 0.7- 120412 J95 0.0 0.0 120413 703 0.3- 0.3+
120412 703 0.2- 0.0 120412 I93 0.2+ 0.2+ 120413 703 0.2- 0.1+
120412 703 0.4- 0.6+ 120412 I93 0.1+ 0.1+ 120413 703 0.2- 0.4+
120412 703 0.2+ 0.5+ 120412 J16 0.1- 0.5+ 120413 703 0.3- 0.1+
120412 300 0.2+ 0.4- 120412 I93 0.3- 0.2-
120412 300 0.1+ 0.1- 120412 J16 0.9+ 0.2+
Ephemeris:
2012 GD2 a,e,i = 1.41, 0.27, 36 q = 1.0399
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 03 14 09 51 09.6 -74 08 16 0.3247 1.1066 101.7 61.6 22.9
...
2012 03 29 10 52 35.7 -69 47 51 0.1652 1.0704 111.6 60.1 21.3
...
2012 04 06 12 04 16.4 -54 35 26 0.08269 1.0563 130.6 46.0 19.4
...
2012 04 12 13 12 24.9 -01 22 28 0.04647 1.0485 172.3 7.4 16.9
2012 04 13 13 23 54.2 +12 00 20 0.04775 1.0474 158.9 20.1 17.4
2012 04 14 13 35 13.5 +24 00 05 0.05156 1.0464 146.6 31.9 17.9
...
2012 04 20 14 36 36.0 +59 02 35 0.1013 1.0419 108.9 65.9 20.3
...
2012 04 28 15 35 28.4 +69 41 19 0.1845 1.0398 95.2 74.6 21.9
...
2012 05 13 16 33 34.6 +73 51 33 0.3377 1.0484 87.0 74.3 23.2
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-G38
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