MPEC 2017-P47 : 2012 BB77
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M.P.E.C. 2017-P47 Issued 2017 Aug. 14, 11:43 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 BB77
Revision to MPEC 2012-B83
Additional Observations:
K12B77B C2017 05 27.45407515 05 15.981+10 59 13.17 24.3 GUEP047T12
K12B77B C2017 05 27.46568315 05 15.267+10 59 14.65 23.9 GUEP047T12
K12B77B KC2017 05 27.48757615 05 13.934+10 59 17.29 24.3 GUEP047T12
K12B77B C2017 05 27.49803615 05 13.294+10 59 18.56 23.9 GUEP047T12
K12B77B C2017 05 28.32497715 04 24.222+11 00 54.92 24.3 GUEP047T12
K12B77B C2017 05 28.34606615 04 22.935+11 00 57.25 24.5 GUEP047T12
K12B77B C2017 05 28.35795915 04 22.215+11 00 58.59 24.0 GUEP047T12
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m). Observers D. Hung, D. Fohring,
Y. Ramanjooloo, Z. Claytor. Measurer Z. Claytor. 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
170527 T12 46.1- 0.3+ 170528 T12 45.8- 0.3+ MPO230282 +0.12 day
Orbital elements:
2012 BB77 Earth MOID = 0.1270 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 280.29904 (2000.0) P Q
n 0.30117726 Peri. 232.72734 +0.84379438 -0.51930742
a 2.2042183 Node 157.55623 +0.53106419 +0.84433511
e 0.6885244 Incl. 20.77110 -0.07734253 +0.13197737
P 3.27 H 19.0 G 0.15 U 2
Residuals in seconds of arc
120125 703 1.4- 0.0 120127 I19 0.4- 0.1+ 120212 F51 0.0 0.2-
120125 703 (0.4- 1.7+) 120127 807 0.0 0.0 120213 807 0.4+ 0.1-
120125 703 0.7- 0.6+ 120127 807 0.1+ 0.1- 120213 807 0.1+ 0.4-
120125 703 0.9- 0.1+ 120127 I36 0.0 0.5+ 120219 H21 0.2+ 0.1-
120125 695 0.4- 0.3+ 120127 807 0.0 0.1- 120219 H21 0.2+ 0.3-
120125 695 0.2+ 0.4+ 120127 I19 0.3+ 0.2- 120219 H21 0.1- 0.2+
120125 695 0.2- 0.0 120127 807 0.2- 0.1- 120219 448 0.1+ 0.1-
120125 695 0.4- 0.2- 120127 I36 0.3+ 0.3- 120219 448 0.2+ 0.1+
120125 703 0.3- 0.4+ 120127 807 0.1+ 0.0 120219 448 0.0 0.0
120125 703 0.8- 0.1+ 120127 807 0.1+ 0.0 120221 474 0.4+ 0.2-
120125 D90 0.0 0.1+ 120128 807 0.1+ 0.0 120221 474 0.3+ 0.2+
120125 D90 0.3+ 0.2+ 120128 807 0.2+ 0.1- 120221 474 0.2- 0.4-
120125 D90 0.3- 0.2+ 120128 807 0.1+ 0.1+ 120221 474 0.2+ 0.9-
120126 204 0.1+ 0.1- 120128 807 0.1+ 0.1- 120222 H21 0.0 0.4+
120126 204 0.1- 0.0 120128 807 0.1+ 0.0 120222 H21 0.0 0.0
120126 204 0.0 0.1+ 120129 H21 0.1- 0.2- 120222 H21 0.0 0.2-
120126 I36 0.3- 0.2+ 120129 H21 0.0 0.3- 120225 703 0.6- 0.1+
120126 I36 0.1- 0.3- 120129 H21 0.1+ 0.2- 120225 703 0.5- 0.3-
120126 I36 0.4- 0.5+ 120129 F51 0.1+ 0.1+ 120225 703 1.0- 0.1-
120126 I47 0.3+ 0.0 120129 F51 0.2+ 0.1- 120225 703 0.3- 0.4+
120126 I47 0.4+ 0.0 120129 F51 0.2+ 0.0 120312 291 0.6- 0.7+
120126 I47 0.0 0.2+ 120130 H21 0.5+ 0.1- 120312 291 0.0 0.3+
120126 I47 0.1- 0.2+ 120130 H21 0.1- 0.3- 120312 291 0.0 1.0+
120126 807 0.0 0.1+ 120130 H21 0.3- 0.1- 120418 291 0.5+ 0.7-
120126 807 0.1+ 0.0 120201 807 0.1+ 0.0 120418 291 0.5- 0.5-
120126 807 0.1+ 0.0 120201 807 0.2+ 0.0 120419 291 0.3- 0.4+
120126 807 0.1+ 0.1+ 120201 807 0.1+ 0.2- 120419 291 0.4- 0.5+
120126 H01 0.0 0.3- 120211 807 0.1- 0.2+ 120419 291 0.4+ 0.3-
120126 H01 0.1- 0.2- 120211 807 0.0 0.1- 170527 T12 0.0 0.2-
120126 H01 0.2+ 0.0 120211 807 0.2+ 0.0 170527 T12 0.1- 0.1-
120126 H01 0.0 0.1- 120211 448 0.3+ 0.3- 170527 T12 0.0 0.1-
120127 I20 0.6+ 0.2- 120211 448 0.1- 0.4- 170527 T12 0.0 0.1-
120127 I20 0.2+ 0.1+ 120211 448 0.3+ 0.2- 170528 T12 0.0 0.1-
120127 I20 0.3- 0.4+ 120212 F51 0.1+ 0.0 170528 T12 0.0 0.1-
120127 I19 0.2+ 0.0 120212 F51 0.1+ 0.2- 170528 T12 0.0 0.1-
120127 I36 0.1+ 0.2- 120212 F51 0.1+ 0.2-
Ephemeris:
2012 BB77 a,e,i = 2.20, 0.69, 21 q = 0.6866
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 07 15 14 36 51.8 +08 49 18 2.7625 3.1111 100.4 18.7 24.6
...
2017 07 30 14 38 00.5 +07 06 05 2.9015 3.0410 88.0 19.5 24.7
...
2017 08 07 14 40 25.8 +06 05 14 2.9742 3.0018 81.8 19.5 24.7
...
2017 08 13 14 43 00.2 +05 17 51 3.0268 2.9715 77.2 19.4 24.8
2017 08 14 14 43 29.5 +05 09 50 3.0353 2.9664 76.5 19.4 24.8
2017 08 15 14 43 59.9 +05 01 48 3.0438 2.9612 75.7 19.4 24.8
...
2017 08 21 14 47 22.7 +04 13 01 3.0931 2.9300 71.3 19.1 24.8
...
2017 08 29 14 52 46.0 +03 07 03 3.1540 2.8872 65.6 18.6 24.8
...
2017 09 13 15 05 20.4 +01 02 38 3.2496 2.8031 55.4 17.2 24.7
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-P47
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