MPEC 2019-F50 : 2018 BP
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M.P.E.C. 2019-F50 Issued 2019 Mar. 21, 10:47 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
2018 BP
Revision to MPEC 2018-B41
Additional Observations:
K18B00P C2017 05 21.54580319 20 01.073-16 03 05.24 23.4 GVEF050F51
K18B00P C2017 05 21.56909819 20 01.111-16 02 59.05 23.1 GVEF050F51
K18B00P C2017 05 21.58074919 20 01.133-16 02 56.32 23.6 GVEF050F51
K18B00P C2017 05 28.47686019 19 36.616-15 35 16.26 22.8 GVEF050F51
K18B00P C2017 05 28.48724419 19 36.436-15 35 13.90 23.2 GVEF050F51
K18B00P C2017 05 28.58570119 19 34.782-15 34 51.49 23.1 GVEF050F51
K18B00P C2018 01 11.22036602 05 15.437-00 08 32.00 20.3 GVEF050F51
K18B00P C2018 01 11.23302402 05 20.390-00 08 01.20 20.8 GVEF050F51
K18B00P C2018 01 11.24568302 05 25.350-00 07 30.40 20.4 GVEF050F51
K18B00P C2018 01 30.34518803 58 43.149+10 39 01.45 20.5 GVEF050F51
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
170521 F51 76.0- 8.1- 180130 F51 0.1- 0.0 MPO441102 -0.29 day
Orbital elements:
2018 BP PHA, Earth MOID = 0.0032 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 262.53160 (2000.0) P Q
n 0.50703031 Peri. 216.33702 +0.76779566 -0.64068485
a 1.5575671 Node 183.51214 +0.60070632 +0.72180070
e 0.3978922 Incl. 3.34065 +0.22280425 +0.26177600
P 1.94 H 20.7 G 0.15 U 4
Residuals in seconds of arc
170521 F51 0.1+ 0.1- 180118 I52 0.2- 0.4- 180124 I52 0.1- 0.3+
170521 F51 0.1+ 0.2+ 180119 T12 0.0 0.0 180124 I52 0.4- 0.1+
170521 F51 0.1+ 0.1+ 180119 T12 0.1+ 0.0 180128 H21 1.2- 0.0
170528 F51 0.0 0.1+ 180119 J95 0.0 0.1- 180128 H21 0.7- 0.2+
170528 F51 0.1- 0.2+ 180119 J95 0.0 0.2+ 180128 H21 0.2- 0.1+
170528 F51 0.3- 0.2+ 180119 J95 0.6- 0.1+ 180128 I52 0.3- 1.8-
180116 G96 0.4+ 0.3+ 180120 I52 0.1- 0.1+ 180128 I52 0.4- 0.5-
180116 G96 0.0 0.3- 180120 I52 0.2+ 0.1- 180204 I52 0.3- 0.1+
180116 G96 0.5+ 0.3- 180120 I52 0.0 0.1- 180204 I52 0.5- 0.6-
180116 I52 0.2+ 0.0 180120 I52 0.1+ 0.1- 180204 I52 0.6+ 0.8-
180116 I52 0.0 0.1- 180120 691 0.1- 0.2+ 180204 I52 0.1+ 0.6-
180116 I52 0.6- 0.1- 180120 691 0.4- 0.1+ 180204 291 0.1+ 0.3+
180116 G96 0.1+ 0.3+ 180120 T12 0.0 0.1- 180204 291 0.1- 0.2+
180116 G96 0.0 0.2+ 180120 T12 0.0 0.0 180204 291 0.1+ 0.0
180116 G96 0.0 1.5+ 180122 I52 0.6+ 0.3- 180205 691 0.0 0.1+
180116 G96 0.1- 0.4+ 180122 I52 0.2- 0.2- 180205 691 0.2- 0.0
180116 033 0.0 0.0 180122 I52 0.3- 0.2- 180205 691 0.2+ 0.2+
180116 033 0.5+ 0.0 180122 I52 1.0- 0.8- 180206 691 0.0 0.1+
180116 033 0.3- 0.1+ 180123 V06 0.5+ 0.1- 180206 691 0.2+ 0.0
180117 734 0.3+ 1.1- 180123 V06 0.2+ 0.0 180206 691 0.0 0.4+
180117 734 0.4+ 0.1- 180123 V06 0.3+ 0.1- 180207 691 0.6+ 0.4-
180117 734 0.0 0.5+ 180123 V06 0.2+ 0.3- 180207 691 1.2+ 0.3-
180117 H01 0.1+ 0.1- 180123 691 0.1- 0.3+ 180207 691 0.3+ 0.1-
180117 H01 0.0 0.0 180123 691 0.6- 0.5+ 180208 711 0.2- 0.0
180117 H01 0.1+ 0.1+ 180123 691 0.2- 0.0 180208 711 0.0 0.0
180117 H01 0.1+ 0.0 180123 I52 0.1+ 0.0 180208 711 0.3- 0.2+
180117 L01 0.9+ 0.8+ 180123 I52 0.0 0.2- 180211 I52 0.7+ 0.1+
180117 L01 0.4- 0.6+ 180123 I52 0.1- 0.0 180211 I52 0.2- 0.6-
180117 J04 0.0 0.0 180123 I52 0.1+ 0.1- 180211 I52 0.1- 0.1-
180117 J04 0.8- 0.0 180124 691 0.3- 0.3+ 180303 695 0.2- 0.1+
180117 J04 0.4- 0.8+ 180124 691 0.3+ 0.3+ 180303 695 0.3- 0.1+
180118 I52 0.1- 0.3+ 180124 691 0.1- 0.4+ 180303 695 0.1- 0.1+
180118 I52 0.1+ 0.1- 180124 I52 0.3+ 0.7-
180118 I52 0.2- 0.1- 180124 I52 0.2+ 0.1+
Ephemeris:
2018 BP a,e,i = 1.56, 0.40, 3 q = 0.9378
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 19 17 52 57.6 -20 53 01 2.3437 2.0630 61.5 24.9 25.3
...
2019 03 06 18 21 04.2 -20 30 18 2.1371 2.0242 69.9 27.4 25.1
...
2019 03 14 18 35 36.9 -20 09 21 2.0224 2.0012 74.5 28.6 25.0
...
2019 03 20 18 46 16.4 -19 49 49 1.9349 1.9828 78.0 29.4 24.9
2019 03 21 18 48 01.7 -19 46 15 1.9203 1.9797 78.5 29.5 24.9
2019 03 22 18 49 46.5 -19 42 36 1.9056 1.9765 79.1 29.7 24.9
...
2019 03 28 19 00 06.9 -19 18 55 1.8170 1.9569 82.6 30.4 24.8
...
2019 04 05 19 13 27.8 -18 42 50 1.6982 1.9294 87.3 31.2 24.6
...
2019 04 20 19 36 52.1 -17 22 45 1.4758 1.8734 96.3 32.2 24.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F50
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