MPEC 2018-J17 : 2015 BL311
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M.P.E.C. 2018-J17 Issued 2018 May 7, 10:30 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
2015 BL311
Revision to MPEC 2015-B114
Additional Observations:
K15BV1L 'C2018 05 06.14507 15 30 37.145-18 20 57.92 21.5 GUEJ017309
K15BV1L 'C2018 05 06.14628 15 30 36.942-18 20 57.58 21.7 GUEJ017309
K15BV1L 'C2018 05 06.14749 15 30 36.773-18 20 56.35 21.7 GUEJ017309
K15BV1L 'C2018 05 06.14870 15 30 36.593-18 20 55.58 21.6 GUEJ017309
K15BV1L 'C2018 05 06.14990 15 30 36.398-18 20 55.12 21.6 GUEJ017309
K15BV1L 'C2018 05 06.15111 15 30 36.216-18 20 54.15 21.5 GUEJ017309
K15BV1L 'C2018 05 06.15232 15 30 36.037-18 20 53.55 21.6 GUEJ017309
K15BV1L 'C2018 05 06.15353 15 30 35.843-18 20 52.83 21.5 GUEJ017309
K15BV1L 'C2018 05 06.15473 15 30 35.668-18 20 52.00 21.7 GUEJ017309
K15BV1L 'C2018 05 06.15594 15 30 35.477-18 20 51.21 21.4 GUEJ017309
K15BV1L KC2018 05 07.27298 15 27 46.45 -18 08 48.3 oEJ017691
K15BV1L KC2018 05 07.30300 15 27 41.59 -18 08 27.1 oEJ017691
Observer details:
309 Cerro Paranal. Observers M. Altmann, T. Prusti. Measurers C. Barache,
S. Bouquillon, T. Carlucci, F. Taris. 2.6-m f/5.5 Ritchey-Chretien + CCD.
691 Steward Observatory, Kitt Peak. Observer A. F. Tubbiolo. 0.9-m f/3
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
180506 309 0.21+ 0.04- 180507 691 0.21+ 0.05- MPO382753 -0.26 day
Orbital elements:
2015 BL311 PHA, Earth MOID = 0.0153 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 323.83627 (2000.0) P Q
n 0.27061063 Peri. 143.18896 +0.99784446 -0.06268323
a 2.3672247 Node 220.41825 +0.05077238 +0.92495370
e 0.8439069 Incl. 1.71667 +0.04157651 +0.37487528
P 3.64 H 21.0 G 0.15 U 3
Residuals in seconds of arc
150121 Y00 0.1- 0.1- 150122 O75 0.4- 0.7- 150124 K32 0.3- 0.4-
150121 Y00 0.3- 0.0 150122 O75 0.1+ 0.3- 150124 K32 0.0 0.9-
150121 Y00 0.2+ 0.0 150122 O75 0.3- 0.1+ 150124 K32 0.3+ 0.7-
150121 F51 0.1+ 0.2- 150122 O75 0.1- 0.5+ 150124 K32 0.4+ 0.4-
150121 F51 0.2+ 0.3- 150122 C77 0.1- 0.2+ 150124 K32 0.3+ 1.2-
150121 F51 0.1+ 0.1+ 150122 958 0.4- 0.7+ 150124 203 0.1- 0.0
150121 F51 0.0 0.3- 150122 C77 0.4- 0.1- 150124 203 0.4- 0.1+
150121 F51 0.3+ 0.1- 150122 C77 0.4- 0.3+ 150124 130 0.1- 0.1-
150121 F51 0.2+ 0.1+ 150122 958 0.0 0.7+ 150124 130 0.4+ 0.1+
150121 F51 0.1+ 0.1+ 150122 J08 0.2- 0.6+ 150124 130 0.0 0.1-
150121 474 0.2+ 0.2+ 150122 958 0.0 0.7+ 150124 130 0.3- 0.0
150121 474 0.4- 0.3- 150122 J08 0.6+ 0.7+ 150126 160 0.0 0.2+
150121 474 0.3- 0.1- 150122 J08 0.3+ 0.7+ 150126 160 0.1- 0.3-
150121 474 0.0 0.1- 150122 123 (0.5+ 1.6+) 150126 160 0.0 0.1-
150121 474 0.2- 0.2- 150122 123 0.9+ 0.4+ 150127 160 1.0- 0.8-
150121 E23 0.0 0.0 150122 123 0.1- 0.6+ 150127 160 1.0- 0.8-
150121 E23 0.1- 0.1+ 150122 123 0.2- 1.0+ 150127 160 0.8- 1.0+
150121 E23 0.2- 0.1- 150122 123 0.6- 0.9+ 150128 G45 0.1+ 0.3+
150121 033 0.5- 0.4+ 150122 J95 0.1+ 0.1- 150128 G45 0.1+ 0.3+
150121 033 0.4- 0.2+ 150122 J95 0.1+ 0.0 150128 G45 0.1- 0.2-
150121 C23 0.2+ 0.5- 150122 J95 0.1- 0.0 150128 G45 0.1+ 0.1+
150121 C23 1.0- 0.4+ 150123 H36 0.0 0.1+ 150128 G45 0.1+ 0.2-
150121 C23 0.1- 0.8- 150123 H36 0.1+ 0.2+ 150128 G45 0.1+ 0.1+
150121 C23 0.5- 0.5- 150123 H36 0.1+ 0.1+ 150130 Q62 0.2- 0.3-
150121 C23 0.1- 0.3- 150123 H36 0.1+ 0.1+ 150130 Q62 0.5+ 0.3-
150121 C23 0.7- 0.1+ 150123 474 0.0 0.0 150130 Q62 0.9+ 0.9-
150121 033 0.1- 0.6- 150123 474 0.0 0.1- 150207 H21 1.0+ 0.2-
150121 033 0.4- 0.2+ 150123 474 0.2+ 0.3- 150207 H21 0.5+ 0.8-
150121 033 0.4- 0.8+ 150123 474 0.1- 0.1- 150207 H21 0.9+ 0.4+
150122 I39 (0.9- 1.5+) 150123 474 0.1+ 0.0 150218 291 0.1- 0.7+
150122 I39 (1.5+ 2.2+) 150123 204 0.2- 0.1+ 150218 291 0.0 0.3-
150122 I39 0.4- 1.0+ 150123 204 0.1- 0.1- 150220 H21 0.1- 0.6-
150122 W88 0.2- 0.4+ 150123 204 0.1- 0.0 150220 H21 0.6- 0.0
150122 W88 0.2- 0.1- 150123 204 0.1- 0.0 180506 309 0.5+ 0.0
150122 W88 0.1- 0.0 150124 G48 (1.6+ 1.2-) 180506 309 0.2+ 0.4-
150122 850 0.1- 0.3+ 150124 G48 0.9- 0.2+ 180506 309 0.4+ 0.1+
150122 850 0.1- 0.0 150124 G48 0.2- 0.3+ 180506 309 0.5+ 0.1+
150122 850 0.2- 0.1+ 150124 G48 0.1- 0.0 180506 309 0.3+ 0.2-
150122 850 0.2- 0.1+ 150124 G48 0.1- 0.1+ 180506 309 0.3+ 0.0
150122 850 0.0 0.1- 150124 G48 0.1- 0.1+ 180506 309 0.4+ 0.1-
150122 850 0.1- 0.3+ 150124 G48 0.1- 0.1+ 180506 309 0.2+ 0.2-
150122 474 0.1+ 0.1- 150124 G48 0.0 0.2+ 180506 309 0.3+ 0.1-
150122 474 0.0 0.0 150124 G48 0.1- 0.1+ 180506 309 0.2+ 0.1-
150122 474 0.0 0.1- 150124 G48 0.7+ 0.2- 180507 691 0.1- 0.4-
150122 C94 0.1+ 0.1+ 150124 G48 0.1- 0.2+ 180507 691 0.7- 0.6+
150122 C94 0.3- 0.4- 150124 G48 0.2- 0.0
Ephemeris:
2015 BL311 a,e,i = 2.37, 0.84, 2 q = 0.3695
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 04 07 16 04 33.5 -20 42 28 1.1828 2.0092 133.7 21.1 23.9
...
2018 04 22 15 55 06.4 -20 02 03 0.8959 1.8395 150.7 15.5 22.9
...
2018 04 30 15 43 36.2 -19 15 38 0.7598 1.7440 161.3 10.7 22.3
...
2018 05 06 15 30 58.1 -18 22 32 0.6670 1.6699 170.2 5.9 21.7
2018 05 07 15 28 28.4 -18 11 42 0.6524 1.6573 171.8 5.0 21.6
2018 05 08 15 25 51.5 -18 00 14 0.6381 1.6447 173.4 4.0 21.5
...
2018 05 14 15 07 28.1 -16 35 37 0.5578 1.5675 176.0 2.6 21.0
...
2018 05 22 14 35 04.0 -13 49 54 0.4678 1.4608 160.1 13.6 21.0
...
2018 06 06 13 10 02.9 -05 10 03 0.3593 1.2477 123.1 43.0 20.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-J17
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