MPEC 2021-H118 : 2017 BM6
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M.P.E.C. 2021-H118 Issued 2021 April 22, 14:02 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 BM6
Revision to MPEC 2017-B86
Additional Observations:
K17B06M C2015 01 27.61322711 54 30.591+10 46 23.72 22.39GVEH118F51
K17B06M C2015 01 27.62539211 54 29.797+10 46 31.06 23.50GVEH118F51
K17B06M C2015 01 27.63752211 54 29.035+10 46 37.95 22.90GVEH118F51
K17B06M C2015 01 27.64960611 54 28.270+10 46 44.78 23.05GVEH118F51
K17B06M C2015 02 16.40456311 26 54.305+14 16 30.74 22.38GVEH118F51
K17B06M C2015 02 16.40792011 26 53.940+14 16 33.24 22.82GVEH118F51
K17B06M C2015 02 16.41603911 26 53.123+14 16 38.34 23.62GVEH118F51
K17B06M C2015 02 16.41934711 26 52.799+14 16 40.54 23.19GVEH118F51
K17B06M C2015 02 16.42745511 26 51.926+14 16 45.77 22.93GVEH118F51
K17B06M C2015 02 16.43079211 26 51.585+14 16 48.07 22.73GVEH118F51
K17B06M C2015 02 16.44224011 26 50.408+14 16 55.57 22.57GVEH118F51
K17B06M C2015 02 17.56116911 24 57.046+14 28 56.90 23.03GVEH118F51
K17B06M C2015 02 17.57308011 24 55.837+14 29 04.50 23.07GVEH118F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. 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
150127 F51 23.1- 17.2- 150217 F51 31.8- 21.1- MPO409575 +0.08 days
Orbital elements:
2017 BM6 Earth MOID = 0.0799 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 270.19880 (2000.0) P Q
n 0.42787723 Peri. 325.12330 +0.98603326 -0.14874732
a 1.7441745 Node 43.62500 +0.16648754 +0.86815142
e 0.6914950 Incl. 6.23383 +0.00450577 +0.47348426
P 2.30 H 20.1 G 0.15 U 3
Residuals in seconds of arc
150127 F51 0.3- 0.4- 170126 G45 0.2+ 0.5- 170130 I52 0.1- 0.1+
150127 F51 0.4- 0.0 170126 G45 0.2+ 0.2+ 170130 I52 0.1- 0.1+
150127 F51 0.0 0.1- 170126 G45 0.1- 0.2+ 170131 T12 0.0 0.1-
150127 F51 0.3+ 0.2- 170126 G45 0.2- 0.6+ 170131 T12 0.0 0.0
150216 F51 0.2+ 0.1- 170127 926 0.3+ 0.3+ 170202 I52 0.1- 0.0
150216 F51 0.1- 0.2+ 170127 926 0.1+ 0.9+ 170202 I52 0.2- 0.4+
150216 F51 0.1+ 0.0 170127 H01 0.0 0.2- 170202 I52 0.6- 0.2-
150216 F51 0.3+ 0.0 170127 926 0.0 0.2- 170202 I52 0.5- 0.3+
150216 F51 0.2- 0.0 170127 H01 0.1- 0.0 170202 G96 0.1+ 0.3-
150216 F51 0.2- 0.1+ 170127 H01 0.0 0.0 170202 G96 0.3- 0.1-
150216 F51 0.2- 0.1+ 170127 H01 0.0 0.1- 170202 G96 0.5- 0.1+
150217 F51 0.0 0.1+ 170127 K88 0.1+ 0.3+ 170202 G96 0.4- 0.2-
150217 F51 0.4+ 0.1+ 170127 K88 0.1- 0.3+ 170211 705 0.1+ 0.1-
170126 G45 0.2- 0.1+ 170127 K51 0.0 0.2+ 170211 705 0.7+ 0.4+
170126 G45 0.2+ 0.2- 170127 K51 0.1- 0.3+ 170211 705 0.0 0.2+
170126 G45 0.3- 0.3+ 170127 K51 0.2- 0.2+ 170213 H21 0.1- 0.1-
170126 G45 0.1- 0.2+ 170128 926 0.1- 0.1+ 170213 H21 0.2- 0.1+
170126 G45 0.1- 0.1- 170128 926 0.2- 0.3+ 170213 H21 0.2- 0.3-
170126 G45 0.1+ 0.2- 170128 926 0.3- 0.2+ 170315 695 0.2+ 0.2+
170126 G45 0.2- 0.3+ 170130 I52 0.1+ 0.1+ 170315 695 0.2+ 0.2+
170126 G45 0.1- 0.3+ 170130 I52 0.1- 0.1+ 170315 695 0.4+ 0.2+
Ephemeris:
2017 BM6 a,e,i = 1.74, 0.69, 6 q = 0.5381
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 03 23 18 08 04.3 -25 06 23 1.3803 1.7090 90.5 35.7 23.4
...
2021 04 07 18 48 15.2 -25 42 10 1.1002 1.5657 96.2 39.5 22.8
...
2021 04 15 19 13 53.0 -25 51 12 0.9584 1.4847 98.4 42.0 22.5
...
2021 04 21 19 36 03.3 -25 49 31 0.8571 1.4218 99.3 44.2 22.2
2021 04 22 19 40 03.6 -25 48 12 0.8407 1.4111 99.3 44.7 22.2
2021 04 23 19 44 10.0 -25 46 32 0.8244 1.4003 99.4 45.1 22.1
...
2021 04 29 20 11 13.2 -25 26 55 0.7307 1.3349 99.2 48.1 21.9
...
2021 05 07 20 55 20.8 -24 20 46 0.6177 1.2446 96.9 53.6 21.5
...
2021 05 22 22 51 07.2 -17 49 38 0.4671 1.0668 83.6 70.6 21.1
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-H118
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