MPEC 2020-B99 : 2020 BF4
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M.P.E.C. 2020-B99 Issued 2020 January 23, 16:48 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 BF4
Observations:
K20B04F* C2020 01 20.23934003 46 46.969-10 40 07.87 20.85wUEB099F51
K20B04F C2020 01 20.25087303 46 48.019-10 39 24.48 21.24wUEB099F51
K20B04F C2020 01 20.26241303 46 49.070-10 38 40.75 21.15wUEB099F51
K20B04F bC2020 01 20.77691603 47 39.55 -10 06 22.4 21.1 GVEB099L01
K20B04F bC2020 01 20.78006203 47 39.80 -10 06 09.5 20.9 GVEB099L01
K20B04F bC2020 01 20.78320203 47 40.08 -10 05 57.6 20.7 GVEB099L01
K20B04F |C2020 01 21.09112 03 48 10.11 -09 46 13.8 20.5 GVEB099807
K20B04F |C2020 01 21.09415 03 48 10.39 -09 46 02.4 20.5 GVEB099807
K20B04F |C2020 01 21.09679 03 48 10.64 -09 45 52.5 20.8 GVEB099807
K20B04F C2020 01 21.76898 03 49 18.41 -09 03 47.7 VEB099246
K20B04F C2020 01 21.77171 03 49 18.70 -09 03 37.1 20.9 GVEB099246
K20B04F C2020 01 21.77213 03 49 18.75 -09 03 35.8 20.7 GVEB099246
K20B04F FC2020 01 21.77255 03 49 18.73 -09 03 34.5 21 GVEB099246
K20B04F FC2020 01 21.77337 03 49 18.90 -09 03 31.1 VEB099246
K20B04F FC2020 01 21.77429 03 49 18.97 -09 03 27.5 20.8 GVEB099246
K20B04F C2020 01 21.77513 03 49 19.08 -09 03 25.4 21.2 GVEB099246
K20B04F C2020 01 21.77554 03 49 19.14 -09 03 22.4 VEB099246
K20B04F KC2020 01 22.07637003 49 49.43 -08 44 22.5 20.9 VuEB099H21
K20B04F KC2020 01 22.08246603 49 50.01 -08 43 59.4 20.9 VuEB099H21
K20B04F KC2020 01 22.09160903 49 50.86 -08 43 24.4 uEB099H21
K20B04F KC2020 01 23.17372 03 51 42.19 -07 35 04.4 20.5 RoEB099691
K20B04F KC2020 01 23.17900 03 51 42.74 -07 34 43.9 20.6 RoEB099691
K20B04F KC2020 01 23.18428 03 51 43.24 -07 34 24.3 20.8 RoEB099691
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Janda. Measurer
M. Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. T. Read. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Orbital elements:
2020 BF4 Earth MOID = 0.3329 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 46.03180 (2000.0) P Q
n 0.32552548 Peri. 323.44144 -0.02195050 -0.93188685
a 2.0928883 Node 124.93904 +0.98958283 -0.07179477
e 0.3948612 Incl. 26.21205 +0.14228144 +0.35557335
P 3.03 H 20.0 G 0.15 U 8
Residuals in seconds of arc
200120 F51 0.1- 0.1+ 200121 807 0.2- 0.1- 200121 246 1.1+ 0.6+
200120 F51 0.1- 0.0 200121 246 0.3- 0.1+ 200122 H21 0.2- 0.2-
200120 F51 0.0 0.1+ 200121 246 0.1+ 0.4+ 200122 H21 0.3- 0.2-
200120 L01 0.7+ 1.1- 200121 246 0.2+ 0.1+ 200122 H21 0.8- 0.1+
200120 L01 0.1+ 0.1- 200121 246 0.7- 0.2- 200123 691 0.3- 0.2-
200120 L01 0.1- 0.1- 200121 246 0.7+ 0.1+ 200123 691 0.2+ 0.3+
200121 807 0.1- 0.1+ 200121 246 0.4+ 0.2+ 200123 691 0.2- 0.1-
200121 807 0.2- 0.0 200121 246 0.8+ 0.8-
Ephemeris:
2020 BF4 a,e,i = 2.09, 0.39, 26 q = 1.2665
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 24 03 18 34.7 -35 46 29 0.5593 1.2777 108.7 46.8 21.0
...
2020 01 08 03 30 01.8 -23 03 53 0.5380 1.2668 109.2 47.1 20.9
...
2020 01 16 03 40 16.4 -15 04 56 0.5380 1.2676 109.3 47.1 20.9
...
2020 01 22 03 49 41.6 -08 49 03 0.5451 1.2712 109.1 47.0 21.0
2020 01 23 03 51 24.3 -07 45 55 0.5469 1.2721 109.0 47.0 21.0
2020 01 24 03 53 09.3 -06 42 49 0.5489 1.2730 108.9 47.0 21.0
...
2020 01 30 04 04 28.2 -00 27 38 0.5651 1.2801 108.3 46.9 21.1
...
2020 02 07 04 21 37.1 +07 28 48 0.5975 1.2933 106.9 46.8 21.2
...
2020 02 22 04 59 23.6 +20 06 38 0.6901 1.3291 103.2 46.4 21.6
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-B99
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