MPEC 2012-S84 : 2012 SJ58
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M.P.E.C. 2012-S84 Issued 2012 Sept. 28, 20:09 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 SJ58
Observations:
K12S58J* C2012 09 26.35762 00 26 32.82 -08 16 09.3 20.4 VrES084G96
K12S58J C2012 09 26.36528 00 26 29.40 -08 15 09.1 19.7 VrES084G96
K12S58J C2012 09 26.37236 00 26 26.30 -08 14 14.6 20.2 VrES084G96
K12S58J C2012 09 26.37884 00 26 23.42 -08 13 24.3 20.4 VrES084G96
K12S58J C2012 09 26.39230 00 26 17.52 -08 11 39.1 21.4 VrES084G96
K12S58J C2012 09 26.39268 00 26 17.30 -08 11 35.0 19.7 VrES084G96
K12S58J C2012 09 26.39308 00 26 17.08 -08 11 32.2 20.2 VrES084G96
K12S58J C2012 09 26.39348 00 26 16.87 -08 11 29.4 19.9 VrES084G96
K12S58J KC2012 09 26.41073 00 26 09.40 -08 09 12.2 19.7 RoES084291
K12S58J KC2012 09 26.41177 00 26 08.99 -08 09 04.3 19.8 RoES084291
K12S58J KC2012 09 26.41272 00 26 08.54 -08 08 56.6 19.8 RoES084291
K12S58J KC2012 09 27.13551 00 21 15.14 -06 20 59.3 19.9 RuES084821
K12S58J KC2012 09 27.13814 00 21 13.74 -06 20 34.1 19.8 RuES084821
K12S58J KC2012 09 27.14084 00 21 12.29 -06 20 07.7 20.5 RuES084821
K12S58J KC2012 09 27.14354 00 21 10.83 -06 19 41.4 20.1 RuES084821
K12S58J C2012 09 27.23874 00 20 28.62 -06 08 02.7 rES084G96
K12S58J C2012 09 27.23921 00 20 28.44 -06 07 59.0 19.8 VrES084G96
K12S58J C2012 09 27.23965 00 20 28.21 -06 07 54.5 20.2 VrES084G96
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
821 Cordoba-Bosque Alegre. Observers C. Colazo, P. Guzzo. Measurer C. Colazo.
1.54-m f/4.8 reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. E. Hill. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
Orbital elements:
2012 SJ58 Earth MOID = 0.0146 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 315.16107 (2000.0) P Q
n 0.72978521 Peri. 83.07753 +0.01939622 -0.99964888
a 1.2218166 Node 5.90193 +0.83393736 +0.00621543
e 0.3468626 Incl. 10.11163 +0.55151814 +0.02575823
P 1.35 H 26.4 G 0.15 U 8
Residuals in seconds of arc
120926 G96 0.1- 0.3- 120926 G96 0.4- 0.3+ 120927 821 0.1+ 0.4-
120926 G96 0.3- 0.5+ 120926 G96 0.9- 0.1- 120927 821 0.1+ 0.2+
120926 G96 0.3+ 0.1- 120926 291 0.3- 0.2+ 120927 821 0.0 0.6+
120926 G96 0.2+ 0.3- 120926 291 0.4+ 0.2- 120927 G96 0.8- 0.5+
120926 G96 1.0+ 0.5- 120926 291 0.1- 0.0 120927 G96 0.3+ 0.4-
120926 G96 0.3+ 0.6+ 120927 821 0.1- 0.4- 120927 G96 0.5+ 0.2-
Ephemeris:
2012 SJ58 a,e,i = 1.22, 0.35, 10 q = 0.7980
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 08 29 00 54 45.7 -18 58 14 0.2346 1.2073 143.9 29.6 24.9
...
2012 09 13 00 55 44.2 -17 49 05 0.1291 1.1234 153.7 23.4 23.3
...
2012 09 21 00 46 25.6 -14 47 33 0.07752 1.0775 160.8 17.9 21.9
...
2012 09 27 00 22 13.6 -06 43 52 0.04119 1.0430 171.4 8.2 20.1
2012 09 28 00 13 40.2 -03 45 07 0.03550 1.0373 174.1 5.7 19.7
2012 09 29 00 02 01.0 +00 21 07 0.03002 1.0316 174.5 5.3 19.3
...
2012 10 05 17 20 56.4 +54 18 38 0.01871 0.9975 82.0 96.9 21.2
...
2012 10 13 13 58 32.5 +34 08 28 0.06197 0.9535 43.3 134.2 26.4
...
2012 10 28 13 31 10.2 +25 34 15 0.1561 0.8794 39.8 133.6 28.2
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-S84
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