MPEC 2020-B283 : 2020 BZ12
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M.P.E.C. 2020-B283 Issued 2020 January 30, 19:09 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 BZ12
Observations:
K20B12Z* C2020 01 19.62109512 18 28.047-20 25 00.43 21.39wUEB283F51
K20B12Z C2020 01 19.63224512 18 26.997-20 25 04.70 21.32wUEB283F51
K20B12Z C2020 01 19.65444912 18 24.867-20 25 12.80 21.37wUEB283F51
K20B12Z |C2020 01 21.33102 12 15 39.55 -20 35 32.3 21.1 GVEB283807
K20B12Z |C2020 01 21.33291 12 15 39.33 -20 35 33.1 20.9 GVEB283807
K20B12Z |C2020 01 21.33480 12 15 39.14 -20 35 33.9 20.8 GVEB283807
K20B12Z C2020 01 22.59275612 13 19.894-20 43 19.63 21.43wUEB283F51
K20B12Z C2020 01 22.60368912 13 18.584-20 43 23.55 21.32wUEB283F51
K20B12Z C2020 01 22.61459412 13 17.288-20 43 27.53 21.50wUEB283F51
K20B12Z C2020 01 22.62550812 13 15.986-20 43 31.50 21.14wUEB283F51
K20B12Z KC2020 01 23.61854212 11 16.13 -20 49 19.0 20.7 GVEB283474
K20B12Z KC2020 01 23.62206212 11 15.64 -20 49 20.9 21.1 GVEB283474
K20B12Z KC2020 01 23.62558312 11 15.15 -20 49 21.1 20.9 GVEB283474
K20B12Z KC2020 01 25.60372712 06 46.59 -21 00 43.8 20.9 GVEB283474
K20B12Z KC2020 01 25.60724712 06 46.08 -21 00 45.0 20.7 GVEB283474
K20B12Z KC2020 01 25.61076712 06 45.58 -21 00 46.3 21.0 GVEB283474
K20B12Z C2020 01 26.39418 12 04 47.36 -21 05 14.2 20.6 GVEB283I52
K20B12Z C2020 01 26.39668 12 04 46.95 -21 05 14.7 20.4 GVEB283I52
K20B12Z C2020 01 26.39793 12 04 46.70 -21 05 15.2 20.8 GVEB283I52
K20B12Z KC2020 01 27.08688 12 02 56.54 -21 08 56.5 VEB283204
K20B12Z KC2020 01 27.17189 12 02 42.35 -21 09 23.1 20.6 GVEB283204
K20B12Z KC2020 01 27.74340 12 01 05.89 -21 12 10.0 20.1 RqEB283Q63
K20B12Z KC2020 01 27.74452 12 01 05.72 -21 12 10.6 20.1 RqEB283Q63
K20B12Z KC2020 01 27.74508 12 01 05.61 -21 12 10.8 20.0 RqEB283Q63
K20B12Z KC2020 01 28.50914 11 58 49.59 -21 16 04.9 20.4 RoEB283691
K20B12Z KC2020 01 28.52420 11 58 46.75 -21 16 09.2 20.5 RoEB283691
K20B12Z KC2020 01 28.53924 11 58 43.96 -21 16 12.4 20.1 RoEB283691
K20B12Z KC2020 01 29.12883 11 56 53.48 -21 19 00.8 20.2 GVEB283Z84
K20B12Z KC2020 01 29.13651 11 56 52.00 -21 19 02.6 19.7 GVEB283Z84
K20B12Z KC2020 01 29.14418 11 56 50.48 -21 19 04.7 20.1 GVEB283Z84
K20B12Z KC2020 01 29.15184 11 56 48.99 -21 19 07.1 20.1 GVEB283Z84
K20B12Z 1C2020 01 29.67774 11 55 05.79 -21 21 18.8 VEB283Q62
K20B12Z 1C2020 01 29.68136 11 55 05.05 -21 21 20.1 VEB283Q62
K20B12Z 1C2020 01 29.68500 11 55 04.33 -21 21 20.8 20.3 GVEB283Q62
K20B12Z ^C2020 01 30.50840011 52 13.653-21 24 55.14 20.50GVEB283568
K20B12Z ^C2020 01 30.50957611 52 13.396-21 24 55.43 20.51GVEB283568
K20B12Z ^C2020 01 30.51076111 52 13.138-21 24 55.72 20.46GVEB283568
Observer details:
204 Schiaparelli Observatory. Observer A. Aletti. 0.36-m f/6 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
568 Mauna Kea. Observers R. Wainscoat, C. Wipper, T. Burdullis. Measurers R.
Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer J. V. Scotti. 0.9-m
f/3 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Q63 Siding Spring-LCO A. Observer P. Breitenstein. 1.0-m Ritchey-Chretien +
CCD.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, D. Koschny,
M. Micheli. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2020 BZ12 Earth MOID = 0.0841 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell
M 1.59957 (2000.0) P Q
n 0.04663998 Peri. 57.68427 +0.64267322 +0.72746016
a 7.6435854 Node 105.73715 +0.59177767 -0.67060234
e 0.9211453 Incl. 165.53904 +0.48659051 -0.14523850
P 21.13 H 18.2 G 0.15 U 6
Residuals in seconds of arc
200119 F51 0.0 0.0 200125 474 0.5- 0.0 200128 691 0.2+ 1.1+
200119 F51 0.1+ 0.1- 200125 474 0.3- 0.0 200129 Z84 0.2- 0.3-
200119 F51 0.1- 0.1+ 200125 474 0.0 0.1- 200129 Z84 0.1+ 0.1+
200121 807 0.0 0.0 200126 I52 0.4+ 0.3- 200129 Z84 0.2- 0.1+
200121 807 0.2- 0.1- 200126 I52 0.2+ 0.0 200129 Z84 0.1- 0.2-
200121 807 0.0 0.2- 200126 I52 0.5- 0.0 200129 Q62 0.0 0.2+
200122 F51 0.0 0.0 200127 204 0.0 0.1- 200129 Q62 0.0 0.2-
200122 F51 0.1- 0.0 200127 204 0.3+ 0.0 200129 Q62 0.3+ 0.1+
200122 F51 0.0 0.0 200127 Q63 0.1- 0.1+ 200130 568 0.2- 0.1-
200122 F51 0.0 0.1- 200127 Q63 0.3+ 0.1- 200130 568 0.2- 0.1-
200123 474 0.5+ 0.1+ 200127 Q63 0.1+ 0.2- 200130 568 0.2- 0.1-
200123 474 0.1- 0.6- 200128 691 0.5+ 0.1+
200123 474 0.6- 0.5+ 200128 691 0.0 0.1+
Ephemeris:
2020 BZ12 a,e,i = 7.64, 0.92, 166 q = 0.6027
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 31 12 32 50.8 -18 20 21 1.9504 2.0907 84.0 27.9 22.5
...
2020 01 15 12 24 24.6 -19 55 34 1.4576 1.8940 99.9 30.8 21.7
...
2020 01 23 12 12 31.9 -20 45 41 1.1947 1.7861 109.7 31.2 21.2
...
2020 01 29 11 57 18.2 -21 18 17 1.0018 1.7039 118.1 30.7 20.7
2020 01 30 11 54 00.3 -21 22 44 0.9703 1.6900 119.6 30.4 20.6
2020 01 31 11 50 26.3 -21 26 43 0.9390 1.6762 121.2 30.2 20.5
...
2020 02 06 11 21 54.6 -21 35 06 0.7588 1.5924 131.3 27.7 19.8
...
2020 02 14 10 14 25.4 -19 58 03 0.5534 1.4788 146.0 21.9 18.8
...
2020 02 29 06 28 33.8 -01 10 44 0.4628 1.2612 115.5 45.1 18.8
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-B283
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