MPEC 2015-A01 : 2011 BB
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M.P.E.C. 2015-A01 Issued 2015 Jan. 1, 03:13 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 BB
Revision to MPEC 2011-B05
Additional Observations:
K11B00B 2C2014 12 19.46716104 35 53.265+30 43 26.52 23.6 RtEA001568
K11B00B 2C2014 12 30.29881804 20 02.757+29 46 55.04 23.2 RtEA001568
K11B00B 2C2014 12 30.30484804 20 02.262+29 46 53.03 23.2 RtEA001568
K11B00B 2C2014 12 30.31109104 20 01.734+29 46 50.87 23.3 RtEA001568
K11B00B 2C2014 12 30.31712504 20 01.241+29 46 48.76 23.3 RtEA001568
Observer details:
568 Mauna Kea. Observer D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
141219 568 0.03+ 0.00+ 141230 568 0.03+ 0.01+ MPO201143 -0.10 day
Orbital elements:
2011 BB Earth MOID = 0.0739 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC
M 310.38584 (2000.0) P Q
n 0.23283852 Peri. 244.55145 -0.93321451 +0.35163300
a 2.6167737 Node 315.93220 -0.27951466 -0.83969950
e 0.6234251 Incl. 6.10144 -0.22579244 -0.41383449
P 4.23 H 20.4 G 0.15 U 0
Residuals in seconds of arc
110113 G96 0.2+ 0.0 110121 H21 0.1- 0.4+ 110329 H21 0.6+ 0.4+
110113 G96 0.2- 0.2- 110121 H21 0.3- 0.1- 110329 H21 0.1+ 0.1+
110113 G96 0.1- 0.1- 110121 H21 0.3- 0.3- 110329 H21 0.6+ 0.1+
110113 G96 0.4- 0.1+ 110121 H21 0.5- 0.2- 110416 807 0.1- 0.1-
110116 G96 0.3- 0.2- 110124 204 0.2- 0.1- 110416 807 0.0 0.2-
110116 G96 0.1+ 0.1- 110124 204 0.3- 0.3- 110416 807 0.1- 0.1-
110116 G96 0.1- 0.2- 110124 204 0.4- 0.3- 110511 807 0.1+ 0.1+
110116 G96 0.8- 0.1+ 110127 G58 0.0 0.1- 110512 807 0.0 0.0
110116 G96 0.1+ 0.2- 110127 G58 0.2- 0.3- 110512 807 0.1- 0.0
110116 G96 0.5- 0.2- 110127 G58 0.0 0.1+ 110512 807 0.1- 0.0
110116 G96 0.1+ 0.3- 110130 300 1.3+ 0.5+ 110520 807 0.0 0.0
110116 G96 0.1- 0.0 110130 300 0.6+ 0.5- 110520 807 0.3- 0.1+
110116 G96 0.4- 0.1- 110130 300 1.3+ 0.2- 110520 807 0.1- 0.1-
110116 F65 0.1- 0.0 110130 300 0.6+ 0.4- 110520 807 0.0 0.1+
110116 F65 0.0 0.0 110203 G58 0.2- 0.2- 110614 807 0.3+ 0.2+
110116 F65 0.1+ 0.2+ 110203 G58 0.1- 0.1- 110614 807 0.5+ 0.3+
110116 F65 0.0 0.1+ 110203 G58 0.1- 0.1+ 110614 807 0.1+ 0.2+
110117 G96 0.2+ 0.8+ 110210 F65 0.1- 0.2+ 141219 568 0.0 0.0
110117 G96 0.2- 0.1+ 110210 F65 0.1+ 0.1+ 141230 568 0.0 0.0
110117 G96 0.0 0.2- 110222 H36 (1.5- 0.1+) 141230 568 0.0 0.0
110121 H21 0.1+ 0.2+ 110222 H36 0.3- 0.2- 141230 568 0.1- 0.0
110121 H21 0.1- 0.8+ 110329 H21 0.2+ 0.5+ 141230 568 0.0 0.0
Ephemeris:
2011 BB a,e,i = 2.62, 0.62, 6 q = 0.9854
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2014 12 02 05 02 48.7 +31 34 09 1.5561 2.5289 168.0 4.6 23.8
...
2014 12 17 04 39 45.1 +30 53 58 1.4598 2.4243 165.2 6.0 23.6
...
2014 12 25 04 27 30.1 +30 16 22 1.4359 2.3669 155.6 9.9 23.7
...
2014 12 31 04 19 06.9 +29 42 49 1.4295 2.3231 148.1 12.9 23.8
2015 01 01 04 17 48.7 +29 36 55 1.4294 2.3158 146.8 13.4 23.8
2015 01 02 04 16 32.4 +29 30 57 1.4294 2.3084 145.6 13.9 23.8
...
2015 01 08 04 09 37.7 +28 54 22 1.4346 2.2638 138.1 16.9 23.9
...
2015 01 16 04 02 34.0 +28 05 44 1.4524 2.2034 128.5 20.5 23.9
...
2015 01 31 03 56 45.7 +26 46 36 1.5090 2.0873 111.9 26.0 24.1
(Last issue was M.P.E.C. 2014-Y100)
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-A01
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