MPEC 2019-F137: 2017 BO31
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M.P.E.C. 2019-F137 Issued 2019 Mar. 31, 21:23 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
2017 BO31
Revision to MPEC 2017-B136
Additional Observations:
K17B31O C2012 12 22.61467313 13 16.168+00 22 17.16 22.3 GVEF137F51
K17B31O C2012 12 22.62388913 13 16.396+00 22 15.53 22.9 GVEF137F51
K17B31O C2012 12 22.62849113 13 16.568+00 22 15.03 23.4 GVEF137F51
K17B31O C2013 01 01.66348713 16 52.207+00 09 29.72 20.2 GVEF137F51
K17B31O C2013 03 08.45042711 57 03.765+07 57 05.28 22.4 GVEF137F51
K17B31O C2013 03 08.46451311 57 02.054+07 57 12.44 21.8 GVEF137F51
K17B31O C2013 03 08.47860311 57 00.280+07 57 20.09 22.3 GVEF137F51
K17B31O C2013 03 08.49273911 56 58.547+07 57 27.66 22.0 GVEF137F51
K17B31O C2017 03 04.50198311 49 57.389+10 01 35.40 21.3 GVEF137F51
K17B31O C2017 03 20.29433811 19 01.949+11 48 15.87 22.0 GVEF137F51
K17B31O C2017 03 20.30598911 19 00.801+11 48 19.11 21.9 GVEF137F51
K17B31O C2017 03 20.32928811 18 58.447+11 48 25.36 21.7 GVEF137F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
121222 F51 63.5- 18.3- 170320 F51 1.1- 0.5+ MPO409576 +0.086 day
Orbital elements:
2017 BO31 Earth MOID = 0.1110 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 219.74599 (2000.0) P Q
n 0.24318723 Peri. 16.65740 +0.75886309 -0.64952317
a 2.5420000 Node 24.04822 +0.58346499 +0.64574423
e 0.7763718 Incl. 6.67917 +0.28930158 +0.40141505
P 4.05 H 19.6 G 0.15 U 4
Residuals in seconds of arc
121222 F51 0.1+ 0.1+ 170129 K88 0.7+ 0.4+ 170223 H21 0.1- 0.1+
121222 F51 0.4- 0.3- 170129 K88 0.5+ 0.5- 170224 291 0.1+ 1.3+
121222 F51 0.2+ 0.2- 170130 I52 0.8- 0.6- 170224 291 0.1+ 0.3+
130101 F51 0.3- 0.5+ 170130 I52 0.9+ 0.2- 170224 291 0.3+ 0.1+
130308 F51 0.1- 0.2+ 170130 I52 0.4- 0.2- 170224 F51 0.0 0.0
130308 F51 0.3+ 0.1- 170130 I52 0.3+ 0.2+ 170224 F51 0.0 0.1-
130308 F51 0.2- 0.0 170202 I52 0.7+ 1.0+ 170224 F51 0.0 0.1-
130308 F51 0.0 0.0 170202 I52 0.2- 0.3- 170224 I52 (2.4- 0.2+)
170127 F51 0.1+ 0.1- 170202 I52 0.3+ 0.5+ 170224 I52 0.5- 0.6+
170127 F51 0.0 0.2- 170202 691 0.4+ 0.1- 170224 I52 0.9+ 1.5+
170127 F51 0.2- 0.1- 170202 I52 0.8+ 0.3- 170224 F51 0.1+ 0.1-
170127 F51 0.0 0.1- 170202 691 0.7- 0.5+ 170304 F51 0.0 0.1-
170128 K88 0.3+ 0.3+ 170202 691 0.0 0.8+ 170304 F51 0.1- 0.1-
170128 K88 0.4+ 0.2- 170211 705 0.1+ 0.1- 170304 F51 0.1- 0.2-
170128 568 0.0 0.1- 170211 705 0.0 0.1- 170320 F51 0.2- 0.3-
170128 568 0.0 0.1- 170211 705 0.1+ 0.4- 170320 F51 0.1+ 0.1-
170128 568 0.0 0.1- 170223 H21 0.1- 0.1+ 170320 F51 0.1- 0.0
170129 K88 0.2+ 0.3- 170223 H21 0.3- 0.1+
Ephemeris:
2017 BO31 a,e,i = 2.54, 0.78, 7 q = 0.5685
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 03 01 15 42 04.7 -22 24 07 4.1480 4.4515 101.4 12.6 26.7
...
2019 03 16 15 40 36.5 -22 34 59 3.8952 4.4320 116.7 11.6 26.5
...
2019 03 24 15 38 10.2 -22 35 38 3.7706 4.4206 125.2 10.6 26.4
...
2019 03 30 15 35 34.7 -22 33 30 3.6840 4.4115 131.7 9.7 26.3
2019 03 31 15 35 05.0 -22 32 55 3.6702 4.4100 132.8 9.6 26.3
2019 04 01 15 34 34.2 -22 32 15 3.6566 4.4084 133.9 9.4 26.3
...
2019 04 07 15 31 07.8 -22 26 51 3.5796 4.3988 140.6 8.3 26.2
...
2019 04 15 15 25 38.8 -22 15 37 3.4904 4.3853 149.6 6.6 26.0
...
2019 04 30 15 13 10.8 -21 42 19 3.3711 4.3579 166.9 3.0 25.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F137
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