MPEC 2015-K12 : 2012 RM2
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M.P.E.C. 2015-K12 Issued 2015 May 17, 14:31 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 RM2
Revision to MPEC 2012-R19
Additional Observations:
K12R02M C2015 05 14.54231 17 21 48.221-05 49 20.16 21.4 wLEK012F51
K12R02M C2015 05 14.55433 17 21 50.304-05 48 53.56 21.6 wLEK012F51
K12R02M C2015 05 14.56632 17 21 52.374-05 48 27.77 21.3 wLEK012F51
K12R02M _C2015 05 15.54474617 24 58.782-05 12 19.37 21.1 RtEK012568
K12R02M _C2015 05 15.54608017 24 59.019-05 12 16.33 20.9 RtEK012568
K12R02M _C2015 05 15.54739817 24 59.257-05 12 13.32 21.0 RtEK012568
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, D. Woodworth. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers R. Anderson, B. Gibson, T. Goggia,
N. Primak, A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel,
L. Denneau, H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat,
C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
150514 F51 1.00- 0.04+ 150515 568 1.04- 0.04+ MPO240044 +0.24 day
Orbital elements:
2012 RM2 Earth MOID = 0.0584 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 353.82340 (2000.0) P Q
n 0.33531076 Peri. 111.65675 +0.55707225 +0.83027024
a 2.0519702 Node 192.24557 -0.78978446 +0.52298267
e 0.5192347 Incl. 4.85201 -0.25673140 +0.19271861
P 2.94 H 22.8 G 0.15 U 2
Residuals in seconds of arc
120908 J43 0.7+ 0.7- 120910 H21 0.6- 0.7- 120913 G58 0.1- 0.1-
120908 J43 0.1- 0.1+ 120910 850 1.2+ 0.3- 120914 926 0.3- 0.2+
120908 J43 0.2+ 0.5+ 120910 850 0.7+ 0.2+ 120914 926 0.3+ 0.0
120908 J43 0.1+ 0.1- 120910 H36 0.0 0.3- 120914 926 0.2+ 0.1+
120909 J95 0.4- 0.2+ 120910 850 0.0 0.1+ 120914 204 0.0 0.0
120909 J95 0.0 0.1+ 120910 H36 0.0 0.2- 120914 204 0.1+ 0.1+
120909 J95 0.4+ 0.2- 120910 850 1.3+ 0.5- 120914 204 0.3- 0.1+
120909 J95 0.4- 0.0 120910 H36 0.2+ 0.2- 120914 130 0.1- 0.1-
120909 J95 0.1- 0.1- 120910 850 0.3+ 0.1- 120914 130 0.5+ 0.8+
120909 595 0.1- 0.6+ 120910 850 0.5- 0.2+ 120914 130 0.4+ 0.1+
120909 235 0.9- 1.0- 120910 850 0.0 0.5- 120916 703 1.2- 0.6+
120909 235 0.5- 0.7- 120910 850 0.2+ 0.5- 120916 703 0.7- 0.0
120909 235 0.6- 0.6- 120910 850 0.9+ 0.8- 120916 703 0.1- 0.1+
120909 595 0.1- 0.2+ 120911 H21 0.1+ 0.3- 120916 703 1.1- 0.2+
120909 246 1.3- 0.8+ 120911 H21 0.1+ 0.1- 120916 703 1.0- 0.2+
120909 246 (1.7- 0.2+) 120911 H21 0.3+ 0.4- 120916 703 0.4- 1.0+
120909 246 0.4+ 0.9+ 120911 H45 0.2+ 0.2- 120916 703 1.0- 0.4+
120909 246 0.1- 0.2+ 120911 H45 0.9+ 0.3- 120916 703 (2.1- 0.6+)
120909 595 0.6+ 0.2- 120911 H45 0.7+ 0.7- 120917 H21 0.4- 1.1+
120909 A74 0.2+ 0.2- 120911 H45 1.2+ 0.6- 120917 H21 0.1+ 0.6+
120909 470 0.5- 0.9+ 120911 H45 0.1+ 1.0- 120917 H21 0.3+ 0.5-
120909 470 0.7+ 0.2+ 120911 H45 0.0 0.8- 120919 H45 0.4+ 0.2-
120909 470 0.3+ 0.5+ 120911 H45 0.8+ 0.2- 120919 H45 0.6+ 0.5-
120909 470 0.5- 0.8+ 120911 H45 (1.6+ 0.4-) 120919 H45 0.9+ 0.0
120909 J43 0.0 0.2- 120912 H21 0.1+ 0.1+ 120919 H45 0.5+ 0.4-
120909 510 0.7- 1.0- 120912 H21 0.4+ 0.2- 120919 H45 0.6- 0.4+
120909 J43 0.2+ 0.0 120912 H21 0.0 0.0 120919 H45 0.1+ 0.1-
120909 A74 0.2+ 0.3- 120912 H21 0.0 0.0 120920 H21 0.0 0.1+
120909 J43 0.5- 0.8+ 120912 850 0.4+ 0.5+ 120920 H21 0.1- 0.1-
120909 510 0.0 0.4+ 120912 H45 0.0 0.2- 120920 H21 0.0 0.0
120909 J43 0.3- 0.4+ 120912 850 0.3+ 0.2- 120921 G96 0.0 0.2+
120909 A74 0.1- 0.5- 120912 H45 0.4- 0.3- 120921 G96 0.3+ 0.1+
120909 510 0.5- 0.2- 120912 H45 0.3+ 1.0- 120921 G96 0.2- 0.1+
120909 I93 0.0 0.0 120912 H45 0.1+ 0.5- 120921 G96 0.3+ 0.2+
120909 I93 0.2+ 0.1+ 120912 H45 0.4+ 0.0 120923 H21 0.3+ 0.4-
120909 510 0.3+ 0.5+ 120912 H45 0.0 0.5- 120923 H21 0.1+ 0.2-
120909 I93 0.7+ 0.6+ 120912 H45 0.1+ 0.3- 120923 H21 0.1- 0.0
120909 033 1.1- 0.3+ 120912 H45 0.0 0.0 120927 G68 0.3- 0.8+
120909 033 0.3- 0.1- 120912 850 0.5+ 0.2- 120927 G68 0.3- 0.7+
120909 033 (1.9- 1.0+) 120912 850 0.2+ 0.2- 120927 G68 0.1- 0.5+
120909 033 0.8- 0.1+ 120912 850 0.2- 0.1+ 121008 G84 0.4+ 0.0
120909 033 1.1- 0.8+ 120912 850 0.0 0.2+ 121008 G84 0.0 0.1-
120909 033 1.0- 0.8+ 120912 G56 0.6- 0.8- 121008 G84 0.2+ 0.2+
120909 A24 0.4+ 0.5+ 120912 G56 0.9- 0.3- 121018 G84 0.4+ 0.3+
120909 A24 0.6+ 0.3+ 120912 G56 0.4- 0.8+ 121018 G84 0.1+ 0.2+
120909 A24 0.3+ 0.3+ 120913 H21 0.2+ 0.3+ 121018 G84 0.2+ 0.2-
120909 A24 0.4+ 0.1- 120913 H21 0.2+ 0.1+ 150514 F51 0.1+ 0.2-
120909 B04 0.1+ 0.0 120913 H21 0.1+ 0.2+ 150514 F51 0.1+ 0.3+
120909 B04 0.2- 0.0 120913 H21 0.0 0.0 150514 F51 0.1- 0.1+
120909 B04 0.1+ 0.2+ 120913 J04 0.2+ 0.1- 150515 568 0.0 0.1-
120909 033 0.0 0.1+ 120913 J04 0.1+ 0.1- 150515 568 0.0 0.0
120910 033 0.1- 1.0+ 120913 J04 0.2+ 0.0 150515 568 0.0 0.0
120910 H21 0.3+ 0.7- 120913 G58 0.2- 0.3-
120910 H21 0.3+ 0.2- 120913 G58 0.1+ 0.2-
Ephemeris:
2012 RM2 a,e,i = 2.05, 0.52, 5 q = 0.9865
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 04 17 16 21 02.9 -15 07 08 0.5037 1.4268 140.0 26.9 23.3
...
2015 05 02 16 49 37.6 -11 30 38 0.3547 1.3193 147.0 24.6 22.3
...
2015 05 10 17 08 44.4 -08 16 23 0.2873 1.2638 148.6 24.6 21.7
...
2015 05 16 17 26 28.1 -04 54 42 0.2425 1.2236 148.1 25.9 21.3
2015 05 17 17 29 49.2 -04 15 08 0.2355 1.2171 147.8 26.2 21.3
2015 05 18 17 33 18.6 -03 33 37 0.2287 1.2105 147.5 26.7 21.2
...
2015 05 24 17 57 46.8 +01 22 00 0.1913 1.1726 143.9 30.6 20.9
...
2015 06 01 18 44 03.0 +10 26 36 0.1517 1.1254 134.5 40.0 20.5
...
2015 06 16 21 18 47.7 +31 38 35 0.1235 1.0513 103.4 70.1 20.8
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-K12
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