MPEC 2020-B250 : 2020 BH11
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M.P.E.C. 2020-B250 Issued 2020 January 29, 13:30 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 BH11
Observations:
K20B11H C2019 12 09.47487607 48 33.474+57 02 49.80 20.6 GVEB250F52
K20B11H C2019 12 09.50345907 48 38.184+57 03 18.27 21.7 GVEB250F52
K20B11H C2019 12 09.51727807 48 40.500+57 03 32.58 21.6 GVEB250F52
K20B11H C2019 12 19.51302808 18 55.649+59 27 28.54 21.6 GVEB250F51
K20B11H C2019 12 19.52379808 18 57.459+59 27 36.52 21.6 GVEB250F51
K20B11H C2019 12 19.53455508 18 59.176+59 27 44.09 21.6 GVEB250F51
K20B11H C2020 01 25.28263009 46 38.97 +56 34 01.7 20.12rUEB250I41
K20B11H C2020 01 25.37073009 46 43.33 +56 31 46.8 20.90gUEB250I41
K20B11H C2020 01 26.32431909 47 46.36 +56 05 54.8 20.59rUEB250I41
K20B11H C2020 01 26.36751009 47 48.28 +56 04 44.0 21.17gUEB250I41
K20B11H C2020 01 26.36889009 47 48.33 +56 04 42.1 20.97gUEB250I41
K20B11H* C2020 01 28.45691609 49 50.541+55 03 33.99 20.21wUEB250F51
K20B11H C2020 01 28.47155909 49 51.026+55 03 07.22 20.33wUEB250F51
K20B11H C2020 01 28.48588109 49 51.491+55 02 40.97 20.45wUEB250F51
K20B11H C2020 01 28.50019709 49 51.958+55 02 14.37 20.59wUEB250F51
K20B11H C2020 01 28.83749 09 50 12.14 +54 51 19.1 19.7 VVEB250033
K20B11H C2020 01 28.83916 09 50 12.21 +54 51 16.3 19.6 VVEB250033
K20B11H C2020 01 28.84083 09 50 12.29 +54 51 13.4 19.9 VVEB250033
K20B11H pC2020 01 28.96548809 50 17.64 +54 47 30.2 20.4 GVEB250L01
K20B11H IC2020 01 28.97021709 50 17.62 +54 47 20.6 20.4 GVEB250L01
K20B11H pC2020 01 28.97494909 50 17.94 +54 47 12.1 20.5 GVEB250L01
K20B11H KC2020 01 29.02193709 50 20.05 +54 45 44.5 19.7 GVEB250C95
K20B11H KC2020 01 29.04093709 50 20.61 +54 45 08.1 19.4 GVEB250C95
K20B11H C2020 01 29.13629009 50 28.49 +54 41 55.4 20.1 GVEB250H01
K20B11H C2020 01 29.14028109 50 28.68 +54 41 48.2 20.2 GVEB250H01
K20B11H C2020 01 29.14971709 50 29.11 +54 41 31.4 20.1 GVEB250H01
K20B11H C2020 01 29.15720109 50 29.45 +54 41 18.1 20.1 GVEB250H01
K20B11H C2020 01 29.36461 09 50 37.09 +54 34 54.6 20.8 GVEB250I52
K20B11H C2020 01 29.36859 09 50 37.23 +54 34 47.3 20.4 GVEB250I52
K20B11H C2020 01 29.37258 09 50 37.41 +54 34 40.0 20.8 GVEB250I52
K20B11H C2020 01 29.38745 09 50 37.85 +54 34 10.7 20.2 GVEB250I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, F.
Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m f/3.2
Newtonian 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
I41 Palomar Mountain--ZTF. Observers B. T. Bolin, Z. T. F. Collaboration.
Measurers B. T. Bolin, F. J. Masci, Q.-Z. Ye. 1.2-m f/2.4 Schmidt.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Orbital elements:
2020 BH11 Earth MOID = 0.2637 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell
M 27.48476 (2000.0) P Q
n 0.23063047 Peri. 137.55428 -0.66051672 -0.75048180
a 2.6334491 Node 353.66840 +0.62329704 -0.53158070
e 0.5380762 Incl. 11.63560 +0.41859105 -0.39268183
P 4.27 H 21.5 G 0.15 U 4
Residuals in seconds of arc
191209 F52 0.2- 0.5+ 200128 F51 0.0 0.1+ 200129 C95 0.2- 0.3-
191209 F52 0.2- 0.2- 200128 F51 0.0 0.0 200129 H01 0.0 0.1+
191209 F52 0.2+ 0.2+ 200128 F51 0.0 0.1+ 200129 H01 0.0 0.0
191219 F51 0.2+ 0.1- 200128 F51 0.0 0.1+ 200129 H01 0.1- 0.0
191219 F51 0.2+ 0.1+ 200128 033 0.2- 0.3- 200129 H01 0.0 0.0
191219 F51 0.4- 0.1- 200128 033 0.3- 0.1- 200129 I52 0.3- 0.5-
200125 I41 0.0 0.0 200128 033 0.3- 0.0 200129 I52 0.2- 0.2-
200125 I41 0.2- 0.1+ 200128 L01 0.6+ 0.4+ 200129 I52 0.3+ 0.3+
200126 I41 0.2+ 0.1- 200128 L01 1.1- 0.4- 200129 I52 0.1+ 0.2-
200126 I41 0.2+ 0.3- 200128 L01 0.2+ 0.1-
200126 I41 0.2+ 0.1+ 200129 C95 0.7+ 0.2+
Ephemeris:
2020 BH11 a,e,i = 2.63, 0.54, 12 q = 1.2165
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 30 08 50 30.7 +60 53 58 0.3718 1.2756 135.6 32.7 21.3
...
2020 01 14 09 28 39.8 +60 04 50 0.3185 1.2352 136.9 33.0 20.9
...
2020 01 22 09 42 29.1 +57 52 44 0.2967 1.2227 138.7 32.1 20.7
...
2020 01 28 09 49 24.7 +55 17 14 0.2835 1.2177 140.8 30.7 20.5
2020 01 29 09 50 18.5 +54 46 22 0.2816 1.2172 141.2 30.5 20.5
2020 01 30 09 51 08.3 +54 14 03 0.2798 1.2168 141.6 30.2 20.5
...
2020 02 05 09 54 55.2 +50 30 23 0.2711 1.2170 144.6 28.0 20.3
...
2020 02 13 09 57 40.8 +44 18 39 0.2658 1.2231 149.2 24.4 20.2
...
2020 02 28 10 00 41.9 +30 23 57 0.2810 1.2524 156.0 18.7 20.2
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-B250
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