MPEC 2012-H69 : 2004 RQ252
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M.P.E.C. 2012-H69 Issued 2012 Apr. 25, 16:36 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
2004 RQ252
Revision to MPEC 2004-S05
Additional Observations:
K04RP2Q QC2012 04 24.70100 14 30 53.86 -34 52 30.0 18.1 VrEH069E12
K04RP2Q QC2012 04 24.71141 14 30 47.48 -34 52 11.2 17.9 VrEH069E12
K04RP2Q QC2012 04 24.72183 14 30 41.11 -34 51 50.8 rEH069E12
K04RP2Q QC2012 04 24.73222 14 30 34.74 -34 51 30.5 18.2 VrEH069E12
K04RP2Q QC2012 04 24.78961 14 30 00.60 -34 49 39.4 18.1 VrEH069E12
K04RP2Q QC2012 04 25.41251 14 24 37.03 -34 32 38.5 18.0 VrEH069E12
K04RP2Q QC2012 04 25.52104 14 23 38.06 -34 30 06.2 18.0 VrEH069E12
K04RP2Q QC2012 04 25.52369 14 23 36.60 -34 30 02.1 18.0 VrEH069E12
K04RP2Q C2012 04 25.53611 14 23 29.36 -34 29 39.0 oEH069E23
K04RP2Q C2012 04 25.54307 14 23 25.66 -34 29 28.4 oEH069E23
K04RP2Q C2012 04 25.54770 14 23 23.05 -34 29 21.4 oEH069E23
K04RP2Q C2012 04 25.55313 14 23 20.20 -34 29 13.1 17.8 VoEH069E23
K04RP2Q C2012 04 25.55882 14 23 16.99 -34 29 04.1 18.2 VoEH069E23
K04RP2Q C2012 04 25.56699 14 23 12.58 -34 28 51.3 18.7 VoEH069E23
K04RP2Q QC2012 04 25.63295 14 22 36.82 -34 27 07.3 18.3 VrEH069E12
K04RP2Q QC2012 04 25.63693 14 22 34.65 -34 27 00.4 18.3 VrEH069E12
Observer details:
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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
120424 E12 6.69+ 2.14- 120425 E12 6.28+ 2.17- MPO 70453 -0.67 day
Orbital elements:
2004 RQ252 Earth MOID = 0.0000 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 27.44369 (2000.0) P Q
n 0.82531927 Peri. 83.00539 -0.31285665 -0.94803161
a 1.1256103 Node 25.46108 +0.80952918 -0.29806058
e 0.3882804 Incl. 7.74537 +0.49677281 -0.11133713
P 1.19 H 22.3 G 0.15 U 3
Residuals in seconds of arc
040915 E12 0.2+ 0.7- 040917 474 0.3+ 0.5- 041002 E17 (7.6- 2.1-)
040915 E12 0.7+ 0.6- 040918 E12 0.8- 0.2- 041002 E17 (9.1- 2.2-)
040915 E12 0.0 0.4+ 040918 E12 0.9+ 0.1+ 041002 E17 (6.4- 2.9-)
040915 E12 0.2+ 0.9+ 040918 E12 0.2+ 0.8- 041003 428 0.7+ 0.3+
040916 649 0.9+ 0.6+ 040918 E12 0.3+ 0.1- 041003 428 0.4+ 0.1+
040916 649 0.8- 0.1- 040919 474 0.5- 0.0 041003 428 0.5- 0.2-
040916 649 0.2- 0.3- 040919 474 0.6- 0.7- 041003 428 0.3+ 0.0
040916 G90 0.2- 0.3- 040919 474 0.3- 0.1- 041007 E12 0.6+ 0.4-
040916 G90 (2.5- 1.8+) 040920 568 0.6+ 0.9+ 041007 E12 0.7+ 0.2-
040916 G90 0.2- 0.0 040920 568 0.1- 0.2+ 041008 428 0.5- 0.6+
040916 673 0.2- 0.9+ 040920 F65 0.6- 0.1- 041008 428 0.9- 0.7+
040916 673 0.2- 0.0 040920 E14 0.0 0.3- 041008 428 0.2- 0.2-
040916 673 0.8- 1.0- 040920 F65 0.9- 0.2+ 041008 E12 0.7+ 0.6-
040916 673 0.9+ 1.2+ 040920 F65 0.4+ 0.5- 120424 E12 0.0 0.2+
040916 854 0.2- 0.4- 040920 E14 0.2- 0.2- 120424 E12 0.1+ 0.5-
040916 854 0.4- 0.1- 040920 E14 0.4- 0.1- 120424 E12 0.0 0.2+
040916 854 0.8+ 0.3- 040920 474 0.6- 0.3- 120424 E12 0.7- 0.7+
040916 E12 0.4+ 0.6+ 040920 474 0.2+ 0.2+ 120424 E12 0.0 0.0
040916 E12 0.7- 0.7- 040920 474 0.1+ 0.2+ 120425 E12 0.1+ 0.1-
040916 E12 0.5- 0.0 040920 474 0.0 0.2+ 120425 E12 0.2+ 0.4-
040916 E12 0.8+ 1.0+ 040921 428 0.4+ 0.8+ 120425 E12 0.2+ 0.2-
040916 E12 (1.9- 0.3+) 040921 428 0.1- 0.2+ 120425 E23 1.4- 0.6+
040916 E12 0.3- 0.5+ 040921 428 0.3+ 0.3+ 120425 E23 0.0 0.5+
040916 E12 0.6+ 0.1- 040925 413 0.1- 0.2- 120425 E23 0.8- 0.3+
040916 E12 0.9- 0.4- 040925 413 0.0 0.3- 120425 E23 0.7+ 0.1+
040916 E12 0.6- 0.3- 040926 413 0.1- 0.1- 120425 E23 0.4- 0.2+
040916 E12 0.4- 0.3+ 040926 413 0.1- 0.3- 120425 E23 0.4+ 0.1+
040916 E12 0.3+ 0.7- 041002 E14 0.4- 0.4- 120425 E12 0.2+ 0.3-
040916 E12 0.1- 0.4+ 041002 E14 0.1+ 0.1- 120425 E12 0.1+ 0.2-
040917 474 0.6- 0.5- 041002 E14 0.1+ 0.1-
040917 474 0.1+ 1.1- 041002 E14 0.0 0.1-
Ephemeris:
2004 RQ252 a,e,i = 1.13, 0.39, 8 q = 0.6886
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 03 26 23 45 37.0 +18 56 02 0.1257 0.8795 18.8 158.6 28.0
...
2012 04 10 21 25 27.1 -04 12 52 0.04042 0.9814 58.6 119.4 20.1
...
2012 04 18 16 33 16.6 -36 12 58 0.04421 1.0355 134.3 43.9 17.3
...
2012 04 24 14 38 06.9 -35 12 01 0.07525 1.0753 156.6 21.8 17.9
2012 04 25 14 28 10.5 -34 44 20 0.08117 1.0818 158.1 20.3 18.0
2012 04 26 14 19 41.1 -34 17 12 0.08722 1.0883 159.2 19.2 18.2
...
2012 05 02 13 47 49.4 -31 58 46 0.1256 1.1266 159.9 17.9 19.0
...
2012 05 10 13 29 58.8 -29 52 28 0.1811 1.1757 154.4 21.8 20.0
...
2012 05 25 13 23 39.1 -27 35 40 0.2972 1.2607 142.1 29.6 21.5
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-H69
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