MPEC 2012-H89 : 2011 JR13
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M.P.E.C. 2012-H89 Issued 2012 Apr. 29, 15:21 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
2011 JR13
Revision to MPEC 2011-J46
Additional Observations:
K11J13R 2C2012 04 23.30932810 30 13.595-22 03 52.16 22.3 RtEH089568
K11J13R 2C2012 04 23.31681410 30 13.319-22 03 42.78 22.4 RtEH089568
K11J13R 2C2012 04 23.32429710 30 13.051-22 03 33.81 22.4 RtEH089568
K11J13R 2C2012 04 25.30592810 29 10.827-21 23 49.03 22.8 RtEH089568
K11J13R 2C2012 04 25.31689610 29 10.486-21 23 35.99 22.9 RtEH089568
Observer details:
568 Mauna Kea. Observers M. Micheli, G. T. Elliott. Measurer D. J. Tholen.
2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
120423 568 2.3+ 0.1+ 120425 568 2.3+ 0.3+ MPO200337 +0.00029 day
Orbital elements:
2011 JR13 PHA, Earth MOID = 0.0459 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 155.76388 (2000.0) P Q
n 0.66548247 Peri. 129.45543 +0.93882496 -0.03351377
a 1.2993066 Node 235.19915 -0.01684300 +0.98959497
e 0.7258741 Incl. 24.67178 +0.34398258 +0.13992367
P 1.48 H 19.6 G 0.15 U 3
Residuals in seconds of arc
110510 704 0.4- 0.1- 110515 807 0.2- 0.0 110525 704 0.5- 0.0
110510 704 0.6- 0.7- 110515 807 0.1- 0.0 110525 704 0.6+ 0.2+
110510 704 0.5- 0.2+ 110517 807 0.3- 0.2- 110525 704 0.2+ 0.7+
110510 704 0.3- 0.2- 110517 807 0.3- 0.0 110525 B38 0.1- 0.6-
110510 704 0.2+ 0.1+ 110517 807 0.4- 0.2- 110525 046 (0.1+ 1.9+)
110511 807 0.2- 0.1- 110517 807 0.2- 0.0 110525 A53 0.4+ 0.5-
110511 807 0.1- 0.2- 110517 807 0.1- 0.0 110525 B38 0.6- 0.5-
110511 807 0.1+ 0.1+ 110517 H21 0.4- 0.0 110525 046 0.7- 1.2+
110511 807 0.0 0.0 110517 H21 0.6- 0.3- 110525 A53 (1.7+ 0.4+)
110511 807 0.1+ 0.2- 110517 H21 1.0+ 1.1+ 110525 046 (1.4- 2.8+)
110511 807 0.1- 0.1- 110518 807 0.2- 0.2- 110525 046 (2.1- 2.8+)
110511 807 0.1- 0.2- 110518 807 0.1- 0.2- 110525 046 1.4- 0.1+
110511 807 0.0 0.1- 110518 807 0.2- 0.0 110525 A53 0.5+ 0.8+
110511 807 0.0 0.1+ 110518 807 0.2- 0.3- 110525 B38 0.8+ 1.2-
110511 926 0.6+ 0.1+ 110518 807 0.2- 0.3- 110525 046 0.3- 0.7+
110511 926 0.6+ 0.0 110519 204 0.2- 0.2- 110525 B38 0.1+ 0.8-
110511 926 1.4+ 1.2- 110519 204 0.3- 0.0 110526 704 1.1+ 0.0
110511 854 0.2+ 0.9+ 110519 204 0.1- 0.1- 110526 704 0.8+ 0.8-
110511 854 0.1- 0.2+ 110520 807 0.1- 0.0 110526 704 0.5+ 0.1-
110511 854 0.5- 0.9+ 110520 807 0.3- 0.1+ 110526 704 0.8+ 0.0
110511 H06 0.2- 0.4- 110520 807 0.1- 0.2- 110526 704 0.3- 0.0
110511 H06 0.0 0.5- 110520 807 0.0 0.0 110530 H21 0.5- 0.2+
110511 H06 0.5+ 0.7+ 110520 807 0.1- 0.0 110530 H21 0.5- 0.4+
110511 H06 0.0 0.8- 110522 H26 1.4- 0.4- 110530 H21 0.8- 0.0
110512 807 0.1- 0.1- 110522 H26 0.9- 0.5+ 110530 H21 0.6- 0.4+
110512 807 0.3- 0.2- 110522 H26 0.4- 0.3+ 110530 B38 0.8+ 0.5+
110512 807 0.2- 0.0 110522 A24 0.8+ 0.8+ 110530 B38 0.3- 0.5-
110512 807 0.2- 0.2- 110522 A24 0.1- 0.4+ 110530 B38 0.3+ 0.4+
110512 204 0.4+ 0.0 110522 A24 0.5+ 0.3+ 110530 B38 0.1+ 0.6-
110513 204 0.3- 0.1- 110522 A24 0.5+ 1.1+ 110604 H21 0.3+ 0.5-
110513 H26 0.3+ 0.8- 110522 A24 0.4+ 0.6+ 110604 H21 0.0 0.6-
110513 H26 0.3+ 0.2+ 110523 J95 0.1+ 0.4- 110604 H21 0.3- 0.4-
110513 H26 1.0+ 1.0- 110523 J95 0.4- 0.3- 110607 H21 0.4+ 0.2+
110513 703 1.4- 0.2+ 110523 J95 0.1- 0.2- 110607 H21 0.0 0.3+
110513 703 1.0- 0.6+ 110524 704 0.8+ 0.8+ 110607 H21 0.0 0.1+
110513 703 (1.2- 1.6+) 110524 704 0.8+ 0.4+ 110610 G96 0.6- 0.2+
110513 703 0.0 0.6+ 110524 704 1.1+ 0.2+ 110610 G96 0.1+ 0.6-
110514 807 0.3+ 0.3+ 110524 704 0.9+ 0.3+ 110610 G96 1.0- 0.0
110514 807 0.0 0.1- 110524 704 1.2+ 1.0+ 110610 G96 0.3- 0.3-
110514 807 0.3+ 0.3+ 110525 H21 0.3+ 0.1- 120423 568 0.0 0.1-
110514 807 0.2+ 0.3+ 110525 704 0.7+ 0.6+ 120423 568 0.0 0.2+
110514 807 0.4+ 0.3+ 110525 H21 0.1+ 0.0 120423 568 0.1+ 0.0
110515 807 0.3- 0.1- 110525 H21 0.1+ 0.3+ 120425 568 0.0 0.0
110515 807 0.2- 0.1- 110525 704 0.3+ 0.9+ 120425 568 0.0 0.0
Ephemeris:
2011 JR13 a,e,i = 1.30, 0.73, 25 q = 0.3562
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 03 30 10 57 38.2 -30 38 06 1.3428 2.2335 144.7 15.0 22.8
...
2012 04 14 10 37 29.4 -25 19 46 1.4082 2.2418 136.1 18.1 23.0
...
2012 04 22 10 31 00.6 -22 30 32 1.4654 2.2423 129.4 20.3 23.2
...
2012 04 28 10 28 02.6 -20 31 13 1.5165 2.2409 124.0 21.9 23.3
2012 04 29 10 27 41.8 -20 12 11 1.5256 2.2405 123.1 22.1 23.3
2012 04 30 10 27 23.5 -19 53 24 1.5349 2.2401 122.2 22.4 23.4
...
2012 05 06 10 26 22.9 -18 06 42 1.5934 2.2366 116.7 23.8 23.5
...
2012 05 14 10 27 01.1 -16 01 17 1.6775 2.2295 109.6 25.3 23.6
...
2012 05 29 10 33 18.2 -12 59 29 1.8465 2.2089 96.8 27.1 23.9
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-H89
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