MPEC 2021-R245 : 2016 BQ
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M.P.E.C. 2021-R245 Issued 2021 September 11, 16:04 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
2016 BQ
Revision to MPEC 2016-B39
Additional Observations:
K16B00Q C2021 09 10.28900921 07 24.210+05 38 21.78 21.93wUER245F51
K16B00Q C2021 09 10.30148421 07 24.535+05 38 04.96 22.11wUER245F51
K16B00Q C2021 09 10.31383421 07 24.818+05 37 48.36 21.84wUER245F51
K16B00Q C2021 09 10.48431421 07 29.625+05 33 55.38 22.05GVER245F51
K16B00Q C2021 09 10.48495721 07 29.659+05 33 54.49 22.19GVER245F51
K16B00Q 1C2021 09 10.88555 21 08 02.65 +05 24 17.3 22.4 VVER245033
K16B00Q 1C2021 09 10.88913 21 08 02.76 +05 24 13.1 21.8 VVER245033
K16B00Q KC2021 09 11.11136821 08 19.95 +05 19 42.8 22.2 VuER245H21
K16B00Q KC2021 09 11.11907421 08 20.23 +05 19 33.1 22.4 VuER245H21
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, U. Laux, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m
f/3 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith, K. Chambers. Measurers K. Chambers, S. Chastel, T. de Boer, J.
Fairlamb, H. Gao, 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 T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
210910 F51 0.14- 0.06- 210911 H21 0.13- 0.06- MPO365062 -0.02 days
Orbital elements:
2016 BQ Earth MOID = 0.0063 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 42.12907 (2000.0) P Q
n 0.96965898 Peri. 277.04351 -0.71723976 +0.69599580
a 1.0109353 Node 307.07021 -0.62131710 -0.66085607
e 0.1397745 Incl. 2.44325 -0.31548721 -0.28081863
P 1.02 H 26.54 G 0.15 U 1
Residuals in seconds of arc
160118 G96 0.2- 0.1+ 160119 H21 0.4- 0.0 160205 568 0.0 0.2-
160118 G96 0.0 0.1+ 160119 G96 0.5- 0.1- 160205 568 0.1- 0.2-
160118 G96 0.1- 0.1- 160119 G96 0.3- 0.1- 160205 568 0.1- 0.2-
160118 G96 0.1- 0.0 160119 G96 0.6- 0.6- 160207 H21 0.1- 0.4+
160118 G96 0.2- 0.1- 160119 G96 0.1+ 0.1+ 160207 H21 0.0 0.4+
160118 G96 0.4- 0.2+ 160120 695 0.8+ 0.0 160207 H21 (1.3+ 1.4+)
160118 G96 0.3+ 0.1+ 160120 695 0.8+ 0.1+ 210910 F51 0.0 0.2+
160118 G96 0.4- 0.2+ 160120 695 0.8+ 0.2+ 210910 F51 0.1+ 0.0
160118 G96 0.3- 0.1+ 160126 705 (1.8- 0.7-) 210910 F51 0.1- 0.1-
160118 G96 0.4- 0.1+ 160126 705 0.6+ 0.2+ 210910 F51 0.0 0.1-
160118 G96 0.2+ 0.3+ 160126 705 (1.0- 0.4-) 210910 F51 0.1+ 0.1-
160118 G96 0.4- 0.0 160204 926 0.3+ 0.0 210910 033 0.2+ 0.4-
160118 K51 0.2- 0.3+ 160204 926 0.0 0.6+ 210910 033 0.2- 0.0
160118 K51 0.5+ 0.1- 160204 926 (1.2+ 1.0-) 210911 H21 0.2- 0.1+
160118 K51 0.3- 0.1+ 160205 926 0.0 0.3- 210911 H21 0.2+ 0.2+
160119 H21 0.1- 0.1+ 160205 926 0.0 0.8-
160119 H21 0.2- 0.2+ 160205 926 0.2- 0.1+
Ephemeris:
2016 BQ a,e,i = 1.01, 0.14, 2 q = 0.8696
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 08 12 11 29 46.3 +49 53 34 0.01334 1.0037 42.9 136.6 23.6
...
2021 08 27 20 44 31.2 +15 37 57 0.03534 1.0394 144.6 34.2 20.8
...
2021 09 04 20 59 38.3 +08 35 57 0.05710 1.0574 147.9 30.4 21.8
...
2021 09 10 21 07 01.7 +05 45 29 0.07458 1.0702 146.8 31.1 22.4
2021 09 11 21 08 10.8 +05 23 11 0.07759 1.0723 146.4 31.3 22.5
2021 09 12 21 09 19.4 +05 02 13 0.08063 1.0743 146.0 31.6 22.6
...
2021 09 18 21 16 12.4 +03 19 16 0.09946 1.0862 143.3 33.6 23.1
...
2021 09 26 21 25 49.0 +01 45 05 0.1262 1.1008 138.9 36.8 23.7
...
2021 10 11 21 46 35.9 +00 11 02 0.1816 1.1240 130.1 42.8 24.7
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-R245
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