MPEC 2020-B101 : 2020 BK4
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M.P.E.C. 2020-B101 Issued 2020 January 23, 17:14 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
2020 BK4
Observations:
K20B04K* C2020 01 21.43494210 00 45.374+03 29 35.74 21.82wUEB101F51
K20B04K C2020 01 21.45752310 00 41.808+03 30 12.37 22.02wUEB101F51
K20B04K C2020 01 21.46889410 00 39.986+03 30 31.01 21.96wUEB101F51
K20B04K C2020 01 22.10760 09 59 03.75 +03 47 35.6 22.5 VVEB101033
K20B04K C2020 01 22.11118 09 59 03.13 +03 47 41.4 23.1 VVEB101033
K20B04K C2020 01 22.48481409 58 08.164+03 57 56.68 22.06wUEB101F51
K20B04K C2020 01 22.49596909 58 06.383+03 58 14.75 21.86wUEB101F51
K20B04K C2020 01 22.50715009 58 04.607+03 58 32.82 21.65wUEB101F51
K20B04K C2020 01 22.51829109 58 02.838+03 58 50.77 22.06wUEB101F51
K20B04K KC2020 01 23.33216 09 56 02.30 +04 20 36.1 22.2 RoEB101291
K20B04K KC2020 01 23.33891 09 56 01.25 +04 20 47.2 21.9 RoEB101291
K20B04K KC2020 01 23.34566 09 56 00.17 +04 20 57.9 22.3 RoEB101291
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, F.
Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2020 BK4 Earth MOID = 0.0106 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Pan
M 97.28606 (2000.0) P Q
n 0.45890108 Peri. 235.37295 +0.82955351 -0.55777008
a 1.6646515 Node 158.48949 +0.53347990 +0.77722694
e 0.5065475 Incl. 4.23589 +0.16504597 +0.29122298
P 2.15 H 22.5 G 0.15 U 8
Residuals in seconds of arc
200121 F51 0.1- 0.1+ 200122 033 0.6- 0.1+ 200122 F51 0.0 0.0
200121 F51 0.2+ 0.1- 200122 F51 0.0 0.1- 200123 291 0.0 0.0
200121 F51 0.0 0.0 200122 F51 0.1- 0.0 200123 291 0.2+ 0.2+
200122 033 0.3+ 0.1+ 200122 F51 0.0 0.0 200123 291 0.1- 0.1+
Ephemeris:
2020 BK4 a,e,i = 1.66, 0.51, 4 q = 0.8214
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 24 11 03 35.4 -08 49 00 0.2663 1.0659 100.7 65.0 22.1
...
2020 01 08 10 33 16.1 -02 34 48 0.2983 1.1806 125.2 42.9 21.9
...
2020 01 16 10 14 15.1 +01 01 16 0.3201 1.2432 139.0 31.2 21.8
...
2020 01 22 09 59 20.3 +03 44 59 0.3415 1.2901 149.6 22.7 21.8
2020 01 23 09 56 51.3 +04 11 53 0.3456 1.2979 151.3 21.4 21.8
2020 01 24 09 54 23.0 +04 38 35 0.3498 1.3057 153.0 20.0 21.8
...
2020 01 30 09 40 00.1 +07 12 37 0.3791 1.3523 163.2 12.2 21.8
...
2020 02 07 09 23 00.7 +10 13 36 0.4289 1.4136 174.5 3.8 21.8
...
2020 02 22 09 01 12.0 +14 17 05 0.5559 1.5251 160.9 12.3 22.9
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-B101
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