MPEC 2012-R18 : 2012 RL2
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M.P.E.C. 2012-R18 Issued 2012 Sept. 10, 15:24 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 RL2
Observations:
K12R02L*QC2012 09 07.55916 21 45 11.68 -56 16 06.9 19.3 VrER018E12
K12R02L QC2012 09 07.57598 21 45 26.76 -56 17 20.6 19.8 VrER018E12
K12R02L QC2012 09 07.59291 21 45 41.89 -56 18 31.8 19.4 VrER018E12
K12R02L QC2012 09 07.60987 21 45 57.14 -56 19 43.3 rER018E12
K12R02L QC2012 09 07.65061 21 46 34.49 -56 22 30.4 19.6 VrER018E12
K12R02L QC2012 09 07.65608 21 46 39.55 -56 22 52.3 19.4 VrER018E12
K12R02L QC2012 09 07.73347 21 47 53.15 -56 27 53.9 rER018E12
K12R02L 0C2012 09 08.39415 21 59 48.53 -57 15 51.4 20.0 RtER018E10
K12R02L 0C2012 09 08.39473 21 59 49.13 -57 15 54.4 19.4 RtER018E10
K12R02L 0C2012 09 08.39537 21 59 49.78 -57 15 57.4 19.4 RtER018E10
K12R02L 0C2012 09 08.39601 21 59 50.44 -57 16 00.3 19.5 RtER018E10
K12R02L 0C2012 09 08.39663 21 59 51.05 -57 16 03.1 19.6 RtER018E10
K12R02L QC2012 09 08.39780 21 59 52.24 -57 16 08.7 18.9 VrER018E12
K12R02L 0C2012 09 08.39794 21 59 52.39 -57 16 09.3 19.2 RtER018E10
K12R02L 0C2012 09 08.39979 21 59 54.28 -57 16 18.0 19.5 RtER018E10
K12R02L 0C2012 09 08.40037 21 59 54.86 -57 16 20.6 19.5 RtER018E10
K12R02L 0C2012 09 08.40161 21 59 56.15 -57 16 26.4 19.2 RtER018E10
K12R02L 0C2012 09 08.40223 21 59 56.78 -57 16 29.2 19.1 RtER018E10
K12R02L QC2012 09 08.40268 21 59 57.22 -57 16 31.2 19.0 VrER018E12
K12R02L 0C2012 09 08.40282 21 59 57.36 -57 16 32.0 19.3 RtER018E10
K12R02L 0C2012 09 08.40346 21 59 58.02 -57 16 35.1 19.4 RtER018E10
K12R02L QC2012 09 08.64983 22 04 06.50 -57 33 34.4 19.4 VrER018E12
K12R02L |C2012 09 09.03686 22 11 47.30 -57 58 55.5 19.1 VuER018807
K12R02L |C2012 09 09.04078 22 11 51.51 -57 59 12.5 19.3 VuER018807
K12R02L |C2012 09 09.05115 22 12 02.71 -57 59 56.3 19.0 VuER018807
K12R02L |C2012 09 09.05525 22 12 07.13 -58 00 14.0 19.2 VuER018807
K12R02L QC2012 09 09.40414 22 19 03.08 -58 21 24.6 19.4 VrER018E12
K12R02L QC2012 09 09.40904 22 19 08.61 -58 21 44.8 19.1 VrER018E12
K12R02L QC2012 09 09.69504 22 24 31.91 -58 38 23.8 19.6 VrER018E12
K12R02L QC2012 09 09.69964 22 24 37.36 -58 38 37.1 19.2 VrER018E12
K12R02L QC2012 09 10.49063 22 41 54.61 -59 20 18.2 19.5 VrER018E12
K12R02L QC2012 09 10.49415 22 41 58.93 -59 20 28.9 19.2 VrER018E12
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
E10 Siding Spring-Faulkes Telescope South. Observer T. Lister. 2.0-m f/10
Ritchey-Chretien + 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.
Orbital elements:
2012 RL2 Earth MOID = 0.0520 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 2.82053 (2000.0) P Q
n 0.42510150 Peri. 238.73573 +0.99866691 -0.02067380
a 1.7517587 Node 122.40944 +0.03672493 +0.92846345
e 0.4114992 Incl. 3.21157 -0.03627232 +0.37084797
P 2.32 H 23.7 G 0.15 U 6
Residuals in seconds of arc
120907 E12 0.2+ 0.2+ 120908 E10 0.1- 0.1+ 120909 807 0.2+ 0.0
120907 E12 0.7+ 0.5- 120908 E12 0.2- 0.1- 120909 807 0.1- 0.2-
120907 E12 0.1+ 0.6+ 120908 E10 0.1- 0.0 120909 807 0.2- 0.1+
120907 E12 0.5- 0.3+ 120908 E10 0.1- 0.1- 120909 807 0.2- 0.3-
120907 E12 0.1- 0.2- 120908 E10 0.2- 0.0 120909 E12 0.4+ 0.0
120907 E12 0.2- 0.1- 120908 E10 0.1+ 0.0 120909 E12 0.0 0.1+
120907 E12 0.0 0.3- 120908 E10 0.0 0.1+ 120909 E12 0.2- 0.1+
120908 E10 0.0 0.2+ 120908 E12 0.1- 0.2+ 120909 E12 0.1+ 0.1-
120908 E10 0.0 0.1- 120908 E10 0.1- 0.0 120910 E12 0.0 0.1-
120908 E10 0.0 0.1- 120908 E10 0.0 0.1- 120910 E12 0.1- 0.1+
120908 E10 0.0 0.0 120908 E12 0.1+ 0.0
Ephemeris:
2012 RL2 a,e,i = 1.75, 0.41, 3 q = 1.0309
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 08 11 19 36 09.1 -27 59 24 0.1296 1.1295 152.0 24.9 20.7
...
2012 08 26 20 00 04.8 -40 02 54 0.08591 1.0752 137.2 39.7 20.1
...
2012 09 03 20 47 54.7 -50 03 04 0.06793 1.0541 130.6 46.6 19.7
...
2012 09 09 22 10 52.7 -57 55 49 0.05823 1.0426 126.1 51.3 19.5
2012 09 10 22 31 07.3 -58 54 40 0.05704 1.0410 125.4 52.1 19.5
2012 09 11 22 53 17.8 -59 41 12 0.05601 1.0396 124.7 52.8 19.5
...
2012 09 17 01 22 47.7 -58 01 44 0.05320 1.0332 120.6 56.8 19.5
...
2012 09 25 03 28 09.5 -43 10 02 0.05873 1.0311 117.3 59.8 19.8
...
2012 10 10 04 36 28.2 -19 20 17 0.08732 1.0465 121.3 54.7 20.5
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-R18
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