MPEC 2020-Q169 : 2020 QR4
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M.P.E.C. 2020-Q169 Issued 2020 August 23, 22:28 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 QR4
Observations:
K20Q04R C2020 08 14.46298123 01 03.023-29 02 10.98 19.93GVEQ169F51
K20Q04R C2020 08 14.47443923 00 53.871-29 01 37.67 20.41GVEQ169F51
K20Q04R C2020 08 14.48588223 00 44.735-29 01 03.94 20.14GVEQ169F51
K20Q04R C2020 08 22.31606321 03 26.025-17 18 24.37 19.85GVEQ169F51
K20Q04R C2020 08 22.32558421 03 16.563-17 17 12.01 VEQ169F51
K20Q04R C2020 08 22.33561821 03 06.572-17 15 56.38 19.61GVEQ169F51
K20Q04R* C2020 08 23.35034820 47 06.055-15 03 19.62 19.98wUEQ169F52
K20Q04R C2020 08 23.36264120 46 53.981-15 01 41.46 19.90GVEQ169F52
K20Q04R C2020 08 23.37489820 46 41.984-15 00 03.68 19.75GVEQ169F52
K20Q04R C2020 08 23.38716020 46 29.944-14 58 25.61 19.81wUEQ169F52
K20Q04R C2020 08 23.88653 20 38 47.78 -13 52 02.9 21.0 VVEQ169033
K20Q04R C2020 08 23.88752 20 38 46.84 -13 51 55.1 21.0 VVEQ169033
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, F.
Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + 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. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe, A.
Schultz, M. Willman, K. Chambers. 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.
Orbital elements:
2020 QR4 Earth MOID = 0.0657 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 108.79598 (2000.0) P Q
n 1.26598589 Peri. 160.78600 -0.63957558 -0.75194067
a 0.8462853 Node 328.36540 +0.65939341 -0.42979098
e 0.3157133 Incl. 17.73560 +0.39514985 -0.49986493
P 0.78 H 24.5 G 0.15 U 9
Residuals in seconds of arc
200814 F51 0.2- 0.1+ 200822 F51 0.1+ 0.3+ 200823 F52 0.1- 0.1+
200814 F51 0.1- 0.1- 200822 F51 0.4+ 0.3- 200823 F52 0.3- 0.0
200814 F51 0.3+ 0.1- 200823 F52 0.4- 0.0 200823 033 0.4+ 0.1-
200822 F51 0.3- 0.0 200823 F52 0.6- 0.2+ 200823 033 0.4+ 0.3-
Ephemeris:
2020 QR4 a,e,i = 0.85, 0.32, 18 q = 0.5791
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 07 24 01 08 25.0 -32 59 00 0.2013 1.1133 114.1 56.4 23.3
...
2020 08 08 00 05 42.9 -32 04 36 0.1221 1.1073 137.7 38.0 21.7
...
2020 08 16 22 40 40.9 -27 34 10 0.08921 1.0972 160.7 17.8 20.4
...
2020 08 22 21 08 25.6 -17 57 25 0.07745 1.0865 165.0 13.9 19.9
2020 08 23 20 52 34.5 -15 48 42 0.07707 1.0844 161.0 17.6 20.0
2020 08 24 20 37 03.6 -13 35 07 0.07716 1.0823 156.6 21.7 20.2
...
2020 08 30 19 17 27.9 -00 39 29 0.08688 1.0680 130.3 46.1 21.1
...
2020 09 07 18 11 38.3 +10 42 09 0.1156 1.0447 105.6 68.3 22.3
...
2020 09 22 17 14 49.2 +19 50 28 0.1821 0.9885 80.0 89.6 23.9
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Q169
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