MPEC 2020-Q170 : 2020 QS4
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M.P.E.C. 2020-Q170 Issued 2020 August 23, 22:30 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 QS4
Observations:
K20Q04S C2020 08 19.45495521 00 19.610-00 52 32.99 22.18GVEQ170F52
K20Q04S C2020 08 19.48482421 00 20.490-00 55 44.97 21.26GVEQ170F52
K20Q04S C2020 08 19.49709621 00 20.804-00 57 04.80 21.25GVEQ170F52
K20Q04S* C2020 08 21.33146521 01 45.693-04 14 45.36 21.40wUEQ170F51
K20Q04S C2020 08 21.34500721 01 46.125-04 16 13.54 21.60wUEQ170F51
K20Q04S C2020 08 21.35857421 01 46.532-04 17 40.63 21.24wUEQ170F51
K20Q04S C2020 08 21.37216121 01 46.974-04 19 08.59 21.52wUEQ170F51
K20Q04S C2020 08 22.40119221 02 35.902-06 09 57.93 21.51GVEQ170F52
K20Q04S C2020 08 22.41353821 02 36.306-06 11 17.37 21.78GVEQ170F52
K20Q04S C2020 08 22.42593521 02 36.740-06 12 37.47 21.54GVEQ170F52
K20Q04S C2020 08 23.39182921 03 25.870-07 56 06.07 21.49GVEQ170F52
K20Q04S C2020 08 23.40183821 03 26.235-07 57 10.21 21.35GVEQ170F52
K20Q04S C2020 08 23.41198821 03 26.579-07 58 15.47 21.81GVEQ170F52
K20Q04S C2020 08 23.42230021 03 26.956-07 59 21.50 21.32GVEQ170F52
K20Q04S C2020 08 23.44154621 03 27.625-08 01 24.46 21.69wUEQ170F51
K20Q04S C2020 08 23.45572121 03 28.149-08 02 55.25 21.56wUEQ170F51
K20Q04S C2020 08 23.47028621 03 28.687-08 04 28.09 21.52wUEQ170F51
K20Q04S C2020 08 23.86958 21 03 51.30 -08 47 15.1 21.7 VVEQ170033
K20Q04S C2020 08 23.87201 21 03 51.42 -08 47 30.7 21.6 VVEQ170033
K20Q04S C2020 08 23.87444 21 03 51.55 -08 47 46.8 22.3 VVEQ170033
K20Q04S C2020 08 23.87687 21 03 51.61 -08 48 01.7 22.2 VVEQ170033
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, 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.
F52 Pan-STARRS 2, 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.
Orbital elements:
2020 QS4 Earth MOID = 0.2084 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 322.26597 (2000.0) P Q
n 0.57445782 Peri. 161.30675 +0.69165576 +0.69882793
a 1.4331686 Node 151.53938 -0.70179024 +0.70994753
e 0.1542097 Incl. 22.49756 -0.17059534 -0.08725840
P 1.72 H 23.7 G 0.15 U 7
Residuals in seconds of arc
200819 F52 0.1- 0.1- 200822 F52 0.0 0.2- 200823 F51 0.1- 0.1+
200819 F52 0.4+ 0.4+ 200822 F52 0.0 0.0 200823 F51 0.0 0.1-
200819 F52 0.3- 0.3- 200822 F52 0.3+ 0.3- 200823 F51 0.0 0.0
200821 F51 0.0 0.0 200823 F52 0.0 0.4+ 200823 033 0.3- 0.1+
200821 F51 0.0 0.5- 200823 F52 0.2+ 0.3+ 200823 033 0.0 0.0
200821 F51 0.2- 0.3+ 200823 F52 0.0 0.0 200823 033 0.4+ 0.6-
200821 F51 0.2+ 0.3+ 200823 F52 0.2+ 0.0 200823 033 0.2- 0.1+
Ephemeris:
2020 QS4 a,e,i = 1.43, 0.15, 22 q = 1.2122
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 07 24 20 47 45.7 +32 38 40 0.2927 1.2143 126.9 42.0 23.1
...
2020 08 08 20 53 51.1 +17 44 50 0.2314 1.2123 145.8 28.0 22.2
...
2020 08 16 20 58 03.2 +05 13 13 0.2144 1.2141 158.0 18.2 21.7
...
2020 08 22 21 02 16.5 -05 26 25 0.2128 1.2168 163.3 13.8 21.6
2020 08 23 21 03 05.9 -07 13 48 0.2135 1.2173 163.3 13.8 21.6
2020 08 24 21 03 57.6 -09 00 26 0.2146 1.2179 163.1 14.0 21.6
...
2020 08 30 21 09 58.6 -19 06 16 0.2268 1.2220 157.3 18.6 21.9
...
2020 09 07 21 20 18.1 -30 04 38 0.2569 1.2290 145.9 27.3 22.4
...
2020 09 22 21 46 06.3 -42 08 46 0.3415 1.2468 128.9 38.8 23.4
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-Q170
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