MPEC 2023-C115 : 2021 BK15
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M.P.E.C. 2023-C115 Issued 2023 February 13, 16:52 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 BK15
Observations:
K21B15K 5C2020 01 24.41190 09 57 19.353+22 24 49.14 24.9 rVEC115568
K21B15K 5C2020 01 24.65187 09 57 18.531+22 24 54.48 24.8 rVEC115568
K21B15K*5C2021 01 18.27881 10 00 36.882+22 13 01.13 24.9 rVEC115304
K21B15K 5C2021 01 18.33694 10 00 36.680+22 13 02.32 25.0 rVEC115304
K21B15K 5C2021 01 19.33255 10 00 33.556+22 13 24.32 24.9 rVEC115304
K21B15K 5C2021 03 17.15442 09 57 14.518+22 30 49.90 25.0 rVEC115304
K21B15K 5C2021 03 18.15393 09 57 11.380+22 31 01.18 25.0 rVEC115304
K21B15K 5C2022 04 08.10028 09 59 16.491+22 23 48.89 24.9 rVEC115304
K21B15K 5C2022 04 09.10253 09 59 14.329+22 23 52.60 24.9 rVEC115304
Observer details:
304 Las Campanas Observatory. Observer S. S. Sheppard. 6.5-m Magellan-Baade
telescope + CCD.
568 Maunakea. Observers D. J. Tholen, S. S. Sheppard, C. Trujillo. Measurer
S. S. Sheppard. 8.2-m Subaru reflector + CCD.
Orbital elements:
2021 BK15
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 281.49224 (2000.0) P Q
n 0.00241387 Peri. 175.82094 -0.04750994 +0.97840166
a 55.0376599 Node 91.37043 -0.92218059 +0.03442988
e 0.3782781 Incl. 11.60928 -0.38383040 -0.20382537
P 408 H 7.36 G 0.15 U 8
Residuals in seconds of arc
200124 568 0.1+ 0.1- 210118 304 0.1- 0.1- 210318 304 0.1- 0.0
200124 568 0.1- 0.1+ 210119 304 0.1- 0.1+ 220408 304 0.0 0.1-
210118 304 0.2+ 0.0 210317 304 0.0 0.1- 220409 304 0.0 0.1+
Ephemeris:
2021 BK15 a,e,i = 55.04, 0.38, 12 q = 34.2181
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 01 14 10 06 55.4 +21 50 34 57.8197 58.6376 146.0 0.5 25.1
...
2023 01 29 10 06 07.9 +21 56 10 57.6975 58.6255 160.3 0.3 25.1
...
2023 02 06 10 05 39.9 +21 59 06 57.6586 58.6190 166.8 0.2 25.1
...
2023 02 12 10 05 18.1 +22 01 14 57.6420 58.6141 170.0 0.2 25.1
2023 02 13 10 05 14.4 +22 01 35 57.6403 58.6133 170.2 0.2 25.1
2023 02 14 10 05 10.7 +22 01 55 57.6388 58.6125 170.3 0.2 25.1
...
2023 02 20 10 04 48.6 +22 03 55 57.6367 58.6076 169.0 0.2 25.1
...
2023 02 28 10 04 19.2 +22 06 24 57.6508 58.6011 163.5 0.3 25.1
...
2023 03 15 10 03 26.8 +22 10 15 57.7269 58.5889 149.9 0.5 25.1
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-C115
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