MPEC 2020-B100 : 2020 BJ4
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M.P.E.C. 2020-B100 Issued 2020 January 23, 17:10 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 BJ4
Observations:
K20B04J C2020 01 19.39130508 38 43.893+33 01 49.98 22.3 GVEB100F51
K20B04J C2020 01 19.40368808 38 42.885+33 01 58.29 22.3 GVEB100F51
K20B04J C2020 01 19.41622508 38 41.862+33 02 06.64 22.8 GVEB100F51
K20B04J* C2020 01 21.37423708 36 07.522+33 23 36.19 22.33wUEB100F51
K20B04J C2020 01 21.38835308 36 06.262+33 23 45.82 22.31wUEB100F51
K20B04J C2020 01 21.40246308 36 04.995+33 23 55.37 22.07wUEB100F51
K20B04J C2020 01 21.41663408 36 03.729+33 24 04.93 22.17wUEB100F51
K20B04J C2020 01 22.40218608 34 40.463+33 34 54.11 22.4 GVEB100F52
K20B04J C2020 01 22.41398808 34 39.374+33 35 01.92 21.8 GVEB100F52
K20B04J C2020 01 22.42579708 34 38.287+33 35 10.03 22.2 GVEB100F52
K20B04J C2020 01 22.43771508 34 37.145+33 35 17.77 21.7 GVEB100F52
K20B04J KC2020 01 23.43660 08 33 08.13 +33 46 09.2 22.4 RoEB100291
K20B04J KC2020 01 23.44334 08 33 07.42 +33 46 13.7 22.5 RoEB100291
K20B04J KC2020 01 23.45008 08 33 06.82 +33 46 17.9 oEB100291
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2020 BJ4 PHA, Earth MOID = 0.0125 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Pan
M 7.51072 (2000.0) P Q
n 0.20268302 Peri. 198.44511 -0.87029897 +0.49215486
a 2.8702814 Node 11.09630 -0.43850219 -0.75663999
e 0.6673349 Incl. 5.68364 -0.22426664 -0.43044108
P 4.86 H 21.9 G 0.15 U 7
Residuals in seconds of arc
200119 F51 0.0 0.1+ 200121 F51 0.1- 0.0 200122 F52 0.0 0.1-
200119 F51 0.0 0.0 200121 F51 0.1- 0.0 200123 291 0.4+ 0.2-
200119 F51 0.0 0.1- 200122 F52 0.0 0.0 200123 291 0.5- 0.1+
200121 F51 0.1+ 0.0 200122 F52 0.1+ 0.1- 200123 291 0.0 0.1+
200121 F51 0.0 0.0 200122 F52 0.3+ 0.1+
Ephemeris:
2020 BJ4 a,e,i = 2.87, 0.67, 6 q = 0.9548
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 24 08 52 13.9 +29 01 55 0.9346 1.8175 142.7 19.1 24.0
...
2020 01 08 08 49 04.9 +31 03 07 0.7330 1.6824 157.0 13.2 23.1
...
2020 01 16 08 42 37.1 +32 24 56 0.6424 1.6097 163.4 10.1 22.6
...
2020 01 22 08 35 14.6 +33 30 26 0.5826 1.5551 165.6 9.1 22.3
2020 01 23 08 33 47.9 +33 41 24 0.5734 1.5460 165.5 9.1 22.3
2020 01 24 08 32 17.5 +33 52 19 0.5643 1.5370 165.4 9.3 22.2
...
2020 01 30 08 22 01.4 +34 55 31 0.5140 1.4826 162.1 11.8 22.0
...
2020 02 07 08 05 32.3 +36 06 21 0.4572 1.4106 153.7 18.0 21.9
...
2020 02 22 07 30 50.8 +36 59 04 0.3764 1.2797 134.1 33.7 21.7
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-B100
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