MPEC 2012-W20 : 2012 BX85
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M.P.E.C. 2012-W20 Issued 2012 Nov. 19, 14:33 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 BX85
Revision to MPEC 2012-B100
Additional Observations:
K12B85X 5C2012 11 12.52949 08 52 50.61 +17 37 53.5 21.8 RcEW020290
K12B85X 5C2012 11 12.53105 08 52 50.60 +17 37 53.7 22.1 RcEW020290
K12B85X 5C2012 11 13.50119 08 52 50.38 +17 37 54.8 21.6 RcEW020290
K12B85X 5C2012 11 13.50501 08 52 50.38 +17 37 54.9 21.7 RcEW020290
K12B85X 5C2012 11 13.50882 08 52 50.39 +17 37 54.5 21.8 RcEW020290
K12B85X 5C2012 11 13.51264 08 52 50.38 +17 37 54.4 21.5 RcEW020290
K12B85X 5C2012 11 13.52027 08 52 50.39 +17 37 54.2 21.8 RcEW020290
K12B85X 5C2012 11 13.52412 08 52 50.38 +17 37 54.5 21.9 RcEW020290
K12B85X 5C2012 11 14.53273 08 52 50.07 +17 37 55.8 21.6 RcEW020290
K12B85X 5C2012 11 14.53655 08 52 50.08 +17 37 55.8 21.1 RcEW020290
K12B85X 5C2012 11 15.51244 08 52 49.65 +17 37 57.2 21.9 RcEW020290
K12B85X 5C2012 11 15.51626 08 52 49.66 +17 37 57.1 21.8 RcEW020290
K12B85X 5C2012 11 15.52008 08 52 49.67 +17 37 57.4 21.5 RcEW020290
K12B85X 5C2012 11 15.52389 08 52 49.65 +17 37 57.0 21.8 RcEW020290
K12B85X 5C2012 11 15.52771 08 52 49.65 +17 37 57.1 21.8 RcEW020290
K12B85X 5C2012 11 15.53153 08 52 49.64 +17 37 57.2 21.7 RcEW020290
K12B85X 5C2012 11 15.53534 08 52 49.65 +17 37 57.1 21.6 RcEW020290
Observer details:
290 Mt. Graham. Observers R. P. Boyle, V. Laugalys. Measurer K. Cernis.
1.80-m f/9.2 reflector + CCD.
Orbital elements:
2012 BX85
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 189.04900 (2000.0) P Q
n 0.00351226 Peri. 346.03469 +0.50451748 +0.86329457
a 42.8625950 Node 314.26258 -0.79032301 +0.45542199
e 0.0036682 Incl. 1.08705 -0.34763723 +0.21751620
P 281 H 5.5 G 0.15 U 4
Residuals in seconds of arc
111231 290 0.2+ 0.1+ 120130 290 0.3+ 0.1+ 120226 290 0.1- 0.2+
111231 290 0.3+ 0.3+ 120130 290 0.4+ 0.1+ 120416 290 0.0 0.4-
111231 290 0.2+ 0.2+ 120131 290 0.2+ 0.6- 120416 290 0.2+ 0.4-
111231 290 0.3+ 0.1+ 120131 290 0.2- 0.3- 120416 290 0.2+ 0.5-
111231 290 0.1+ 0.2+ 120131 290 0.2- 0.2- 120416 290 0.2+ 1.0-
120102 290 0.0 0.1- 120131 290 0.1- 0.5- 120417 290 0.4- 0.1-
120102 290 0.1+ 0.1+ 120131 290 0.1- 0.1- 120417 290 0.2- 0.0
120102 290 0.6+ 0.3- 120219 290 0.0 0.2+ 120418 290 0.0 0.0
120102 290 0.2+ 0.4- 120219 290 0.2+ 0.3+ 120418 290 0.1+ 0.0
120102 290 0.1+ 0.1+ 120219 290 0.2+ 0.4+ 120418 290 0.1- 0.1+
120102 290 0.5- 0.2- 120219 290 0.2+ 0.4+ 120418 290 0.1+ 0.1+
120105 290 0.1+ 0.3+ 120219 290 0.2+ 0.2+ 120419 290 0.3+ 0.4+
120105 290 0.4+ 0.0 120221 290 0.1+ 0.1+ 120419 290 0.1- 0.2+
120105 290 0.0 0.1+ 120221 290 0.1+ 0.0 120419 290 0.2+ 0.2+
120105 290 0.0 0.1+ 120221 290 0.2+ 0.1+ 120419 290 0.3+ 0.3+
120105 290 0.1+ 0.1+ 120221 290 0.3+ 0.2+ 120421 290 0.2- 0.1+
120105 290 0.1+ 0.1- 120221 290 0.2+ 0.2+ 120421 290 0.2- 0.0
120105 290 0.2+ 0.2+ 120221 290 0.0 0.1+ 120421 290 0.1+ 0.1+
120123 290 0.1- 0.2- 120221 290 0.0 0.1+ 120421 290 0.1+ 0.4+
120123 290 0.0 0.1+ 120221 290 0.1+ 0.1- 120421 290 0.2+ 0.1+
120123 290 0.1- 0.2+ 120221 290 0.3- 0.1- 120422 290 0.2- 0.3-
120123 290 0.0 0.0 120221 290 0.3+ 0.2+ 120422 290 0.2- 0.1+
120123 290 0.3- 0.2- 120222 290 0.5+ 0.5+ 120422 290 0.0 0.1+
120123 290 0.2- 0.3- 120222 290 0.3+ 0.4+ 120423 290 0.1+ 0.0
120125 290 0.2- 0.2+ 120222 290 0.0 0.2+ 120423 290 0.3+ 0.1-
120125 290 0.3- 0.5+ 120222 290 0.2- 0.0 120423 290 0.1+ 0.1+
120127 290 0.0 0.3- 120222 290 0.3+ 0.0 120423 290 0.1+ 0.1-
120127 290 0.1+ 0.3- 120222 290 0.4- 0.4+ 121112 290 0.2+ 0.3-
120127 290 0.1+ 0.3- 120223 290 0.2+ 0.0 121112 290 0.1+ 0.1-
120127 290 0.0 0.2- 120223 290 0.2- 0.2- 121113 290 0.1- 0.3+
120127 290 0.2- 0.3- 120223 290 0.5- 0.3+ 121113 290 0.1- 0.4+
120127 290 0.2+ 0.4- 120224 290 0.5+ 0.1+ 121113 290 0.1+ 0.0
120127 290 0.2+ 0.2- 120224 290 0.2+ 0.0 121113 290 0.0 0.1-
120127 290 0.1+ 0.6- 120224 290 0.1+ 0.5+ 121113 290 0.1+ 0.3-
120129 290 0.6- 0.3- 120224 290 0.2+ 0.3+ 121113 290 0.0 0.0
120129 290 0.2- 0.2- 120224 290 0.1+ 0.2- 121114 290 0.1+ 0.1+
120129 290 0.2- 0.1- 120224 290 0.3- 0.3- 121114 290 0.3+ 0.1+
120129 290 0.3- 0.1- 120226 290 0.4+ 0.0 121115 290 0.1- 0.0
120129 290 0.5- 0.4- 120226 290 0.4+ 0.0 121115 290 0.0 0.1-
120129 290 0.3- 0.5- 120226 290 0.6+ 0.2- 121115 290 0.2+ 0.2+
120130 290 0.6+ 0.1+ 120226 290 0.3+ 0.2- 121115 290 0.1- 0.2-
120130 290 0.0 0.0 120226 290 0.1+ 0.1- 121115 290 0.0 0.1-
120130 290 0.0 0.3- 120226 290 0.1- 0.1- 121115 290 0.1- 0.1-
120130 290 0.1- 0.3- 120226 290 0.2- 0.3+ 121115 290 0.0 0.2-
Ephemeris:
2012 BX85 a,e,i = 42.86, 0.00, 1 q = 42.705
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 10 20 08 52 27.9 +17 39 28 43.2447 43.0178 76.2 1.3 22.0
...
2012 11 04 08 52 48.5 +17 38 03 42.9878 43.0178 91.1 1.3 22.0
...
2012 11 12 08 52 50.7 +17 37 54 42.8502 43.0178 99.1 1.3 22.0
...
2012 11 18 08 52 48.2 +17 38 03 42.7488 43.0178 105.2 1.3 22.0
2012 11 19 08 52 47.5 +17 38 06 42.7322 43.0178 106.2 1.3 22.0
2012 11 20 08 52 46.6 +17 38 09 42.7156 43.0178 107.2 1.3 22.0
...
2012 11 26 08 52 39.6 +17 38 37 42.6184 43.0178 113.3 1.2 22.0
...
2012 12 04 08 52 25.2 +17 39 34 42.4956 43.0178 121.4 1.1 22.0
...
2012 12 19 08 51 43.5 +17 42 20 42.2946 43.0177 136.9 0.9 21.9
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-W20
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