MPEC 2023-C156 : 2021 BS3
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M.P.E.C. 2023-C156 Issued 2023 February 15, 14:04 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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
2021 BS3
Revision to MPEC 2021-C28
Additional Observations:
K21B03S C2012 01 28.51660209 17 48.264-19 11 42.25 20.20GVEC156F51
K21B03S C2012 02 01.47910008 45 03.233-13 10 05.73 19.57GVEC156F51
K21B03S C2012 02 01.49065008 44 56.480-13 08 49.55 19.39GVEC156F51
K21B03S C2012 02 03.46890708 25 59.543-09 14 24.08 19.56GVEC156F51
K21B03S C2012 02 03.48156108 25 51.481-09 12 46.54 19.56GVEC156F51
K21B03S C2012 02 11.25824706 59 49.415+10 25 06.23 19.15GVEC156F51
K21B03S C2012 02 11.27055106 59 40.375+10 27 03.67 19.60GVEC156F51
K21B03S C2012 02 13.23009706 37 11.314+15 27 59.12 19.58GVEC156F51
K21B03S C2012 02 13.25195006 36 55.611+15 31 14.33 19.67GVEC156F51
K21B03S 0C2023 01 17.33821503 08 33.854-21 59 02.07 23.01GVEC156T12
K21B03S 0C2023 01 17.34943603 08 35.106-21 58 01.10 23.13GVEC156T12
K21B03S 0C2023 01 20.23237203 14 22.211-17 47 45.27 23.32GVEC156T12
K21B03S 0C2023 01 20.25526503 14 24.540-17 45 49.94 23.27GVEC156T12
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observers D. J. Tholen,
D. Hung. Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112
pixels STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
120128 F51 19.8+ 0.6+ 230120 T12 1.7+ 0.5+ MPO606116 +0.01 days
Orbital elements:
2021 BS3 Earth MOID = 0.0364 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 199.21246 (2000.0) P Q
n 1.42512219 Peri. 160.23193 +0.55379958 +0.82076199
a 0.7820502 Node 143.01153 -0.79186109 +0.57120504
e 0.3767376 Incl. 13.47509 -0.25741413 +0.00863433
P 0.69 H 23.71 G 0.15 U 0
Residuals in seconds of arc
120128 F51 0.1- 0.1+ 210211 703 0.3- 0.0 210214 K88 0.2+ 0.5-
120201 F51 0.0 0.1- 210211 703 0.0 0.5- 210214 K88 0.1+ 0.8-
120201 F51 0.0 0.0 210211 F52 0.0 0.3+ 210214 K88 0.2+ 0.5-
120203 F51 0.2+ 0.1- 210211 F52 0.0 0.1+ 210214 203 0.1+ 0.3-
120203 F51 0.1- 0.0 210211 F52 0.1+ 0.1+ 210214 203 0.6- 0.2-
120211 F51 0.2+ 0.0 210211 F52 0.2+ 0.1- 210214 203 0.4- 0.1+
120211 F51 0.2- 0.1+ 210212 G40 0.4- 0.4+ 210215 160 0.4- 0.6-
120213 F51 (0.4- 0.4+) 210212 G40 0.3+ 0.0 210215 160 0.0 0.4-
120213 F51 0.1- 0.1+ 210212 G40 0.1+ 0.1- 210215 160 0.1+ 1.4-
210117 F51 0.0 0.0 210212 T08 0.0 0.0 210216 703 0.1+ 0.0
210117 F51 0.1+ 0.2- 210212 T08 0.1+ 0.2- 210216 703 0.2+ 0.1-
210117 F51 0.2- 0.3+ 210212 T08 0.0 0.2- 210216 703 0.5- 0.1-
210118 291 0.2+ 0.1+ 210212 T08 0.3+ 0.2- 210216 703 1.0- 0.6+
210118 291 0.1- 0.2+ 210212 K61 0.8- 0.7+ 210216 L18 0.8+ 0.8-
210118 291 0.4- 0.0 210212 K61 0.7- 0.4+ 210216 L18 0.9+ 0.9-
210206 703 0.5+ 0.2+ 210212 K61 0.5- 0.5+ 210216 L18 0.8+ 0.5-
210206 703 0.0 0.0 210212 K87 (0.1+ 1.3+) 210216 L18 1.0+ 1.2-
210206 703 1.0+ 0.2- 210212 K87 (0.1+ 1.4+) 210216 L18 0.8+ 0.6-
210206 291 0.3- 0.9- 210212 K87 0.1- 1.1+ 210216 L18 0.6+ 0.4-
210206 291 0.2- 1.0- 210213 G33 0.1+ 0.6+ 210216 Z80 0.2+ 0.2-
210206 291 0.2- 0.9- 210213 G33 0.3- 0.5- 210216 Z80 0.4+ 0.4-
210207 703 0.2+ 0.6- 210213 G33 0.4- 0.9+ 210216 Z80 0.8+ 0.0
210207 703 0.4+ 0.4- 210213 G33 0.6+ 0.2- 210217 W33 1.1+ 0.6-
210207 703 0.3+ 0.2+ 210213 G33 0.0 0.2+ 210217 W33 (1.4+ 1.3-)
210207 F52 0.2- 0.2+ 210213 G33 0.3- 0.5- 210217 W33 0.4- 0.7-
210207 F52 0.1+ 0.1- 210213 G17 0.4+ 0.7- 210217 W34 0.1+ 0.1+
210207 F52 0.1- 0.1+ 210213 G17 0.4+ 0.2- 210217 W34 0.2- 0.1-
210207 T08 0.2+ 0.3- 210213 G17 0.5+ 0.6- 210217 W34 0.3- 0.3+
210207 T08 0.4+ 0.1- 210213 595 0.1+ 0.1+ 210217 204 0.1- 0.2+
210207 T08 0.3+ 0.4+ 210213 595 0.4+ 0.2- 210217 204 0.2- 0.0
210207 T08 0.0 0.3- 210213 595 0.0 0.0 210217 204 0.2- 0.1-
210209 033 0.1- 0.3- 210213 595 0.4+ 0.3- 210219 H21 0.5- 0.2+
210209 033 0.4- 0.4- 210213 Z41 0.0 0.0 210219 H21 0.0 0.2-
210209 033 0.2- 0.3- 210213 Z41 0.3- 0.0 210219 H21 0.3+ 0.4-
210209 033 0.1- 0.4- 210213 Z41 0.5+ 0.0 210220 H21 0.0 0.3+
210209 033 0.1- 0.5- 210214 J27 0.3- 0.2+ 210220 H21 0.0 0.1+
210209 033 0.1- 0.4- 210214 J27 0.2- 0.2+ 210220 H21 0.0 0.1-
210210 B49 0.0 0.0 210214 J27 0.0 0.0 210220 703 1.3- 0.9+
210210 B49 0.2+ 0.1+ 210214 113 0.0 0.1- 210220 703 0.7- 1.1+
210210 B49 0.5+ 0.5- 210214 113 0.2- 0.3+ 210221 I52 (0.2- 1.2-)
210210 Z80 0.4+ 0.4- 210214 113 0.3- 0.5+ 210221 I52 1.0+ 0.3-
210210 Z80 0.2- 0.2- 210214 113 (0.7+ 0.6-) 210221 I52 0.3- 0.1-
210210 Z80 0.1- 0.5+ 210214 246 0.0 0.0 210221 I52 0.0 0.1-
210211 204 0.0 0.0 210214 246 0.4- 0.0 230117 T12 0.0 0.0
210211 204 0.1- 0.1+ 210214 246 0.5- 0.1- 230117 T12 0.0 0.0
210211 204 0.1- 0.1+ 210214 246 0.0 0.3+ 230120 T12 0.0 0.0
210211 703 0.2+ 0.3- 210214 246 0.0 0.1+ 230120 T12 0.0 0.0
210211 703 0.1+ 0.1- 210214 246 0.2- 0.1-
Ephemeris:
2021 BS3 a,e,i = 0.78, 0.38, 13 q = 0.4874
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 01 16 03 05 46.3 -24 00 34 0.2383 1.0428 97.7 69.2 23.1
...
2023 01 31 03 33 49.0 -04 35 57 0.2968 1.0703 98.6 65.5 23.5
...
2023 02 08 03 47 24.8 +03 03 36 0.3343 1.0761 96.4 65.6 23.8
...
2023 02 14 03 57 33.0 +07 51 34 0.3634 1.0764 94.1 66.2 24.0
2023 02 15 03 59 14.8 +08 35 34 0.3683 1.0761 93.7 66.3 24.0
2023 02 16 04 00 56.9 +09 18 32 0.3732 1.0757 93.3 66.5 24.1
...
2023 02 22 04 11 15.5 +13 16 27 0.4023 1.0714 90.6 67.4 24.3
...
2023 03 02 04 25 18.3 +17 48 36 0.4393 1.0602 86.7 68.9 24.5
...
2023 03 17 04 52 12.6 +24 37 26 0.4985 1.0226 78.8 72.6 24.8
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-C156
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