MPEC 2020-W160 : 2020 WS4
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M.P.E.C. 2020-W160 Issued 2020 November 25, 23:45 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 WS4
Observations:
K20W04S* C2020 11 24.26861304 48 28.36 +07 25 18.6 19.96GVEW160G96
K20W04S C2020 11 24.27377204 48 34.44 +07 24 38.8 19.87GVEW160G96
K20W04S C2020 11 24.27893104 48 40.43 +07 23 59.6 20.67GVEW160G96
K20W04S C2020 11 24.28408604 48 46.43 +07 23 20.0 20.18GVEW160G96
K20W04S KC2020 11 24.36718804 50 24.55 +07 12 25.0 19.81GVEW160I52
K20W04S KC2020 11 24.36920904 50 27.00 +07 12 08.2 19.23GVEW160I52
K20W04S KC2020 11 24.37122804 50 29.42 +07 11 52.2 20.04GVEW160I52
K20W04S KC2020 11 24.37324704 50 31.85 +07 11 36.1 19.77GVEW160I52
K20W04S KC2020 11 24.90578405 03 33.45 +05 50 07.2 19.5 GVEW160L01
K20W04S KC2020 11 24.90941305 03 39.05 +05 49 30.4 19.6 GVEW160L01
K20W04S KC2020 11 24.91332405 03 45.13 +05 48 50.2 19.6 GVEW160L01
K20W04S KC2020 11 24.91720105 03 51.09 +05 48 10.7 19.7 GVEW160L01
K20W04S KC2020 11 24.92078805 03 56.67 +05 47 34.2 20.1 GVEW160L01
K20W04S 1C2020 11 24.93273 05 04 14.74 +05 45 16.1 VEW160246
K20W04S 1C2020 11 24.93355 05 04 16.02 +05 45 08.3 VEW160246
K20W04S 1C2020 11 24.97184 05 05 16.08 +05 38 30.1 VEW160246
K20W04S 1C2020 11 24.97208 05 05 16.39 +05 38 25.5 VEW160246
K20W04S 1C2020 11 24.97257 05 05 17.18 +05 38 22.5 VEW160246
K20W04S KC2020 11 24.99432 05 05 53.10 +05 34 44.0 20.0 GVEW160204
K20W04S HC2020 11 25.00589 05 06 11.50 +05 32 40.4 VEW160204
K20W04S KC2020 11 25.17725305 11 26.30 +05 01 37.2 19.98GVEW160I52
K20W04S KC2020 11 25.17781605 11 27.29 +05 01 31.0 19.31GVEW160I52
K20W04S KC2020 11 25.17837805 11 28.27 +05 01 24.5 18.99GVEW160I52
K20W04S 1C2020 11 25.91413 05 37 54.50 +02 08 31.0 VEW160246
K20W04S 1C2020 11 25.91443 05 37 55.19 +02 08 26.2 VEW160246
K20W04S 1C2020 11 25.91503 05 37 56.78 +02 08 16.4 VEW160246
K20W04S 1C2020 11 25.91564 05 37 58.27 +02 08 06.2 VEW160246
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Honkova.
Measurer M. Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
G96 Mt. Lemmon Survey. Observer D. C. Fuls. 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. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski, D.
Rankin. 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. Observers K. Korlevic, V. Dobos, D. Pujagic.
Measurers D. Pujagic, K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2020 WS4 Earth MOID = 0.0080 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 351.82492 (2000.0) P Q
n 0.38575267 Peri. 3.29688 -0.56721324 -0.82352558
a 1.8689460 Node 121.25942 +0.75538002 -0.52440269
e 0.5583677 Incl. 0.57954 +0.32813133 -0.21635025
P 2.56 H 26.6 G 0.15 U 7
Residuals in seconds of arc
201124 G96 0.6- 0.2+ 201124 L01 0.4- 0.4+ 201124 204 0.4+ 0.3+
201124 G96 0.6+ 0.2- 201124 L01 0.3+ 0.0 201125 204 0.1- 0.2+
201124 G96 0.5+ 0.2+ 201124 L01 0.2- 0.1+ 201125 I52 0.2- 0.3-
201124 G96 0.4+ 0.2+ 201124 L01 0.2+ 0.3+ 201125 I52 0.2- 0.0
201124 I52 0.4- 0.2+ 201124 246 0.4+ 1.5- 201125 I52 0.4- 0.0
201124 I52 0.1- 0.3- 201124 246 0.4+ 0.8- 201125 246 0.0 0.2-
201124 I52 0.2- 0.0 201124 246 0.4+ 0.0 201125 246 0.8- 0.0
201124 I52 0.3- 0.3+ 201124 246 (0.6- 2.1-) 201125 246 0.7+ 0.3+
201124 L01 0.4- 0.3+ 201124 246 0.4- 0.0 201125 246 0.3+ 0.3+
Ephemeris:
2020 WS4 a,e,i = 1.87, 0.56, 1 q = 0.8254
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 26 03 19 53.4 +15 42 38 0.2762 1.2583 160.9 15.0 25.1
...
2020 11 10 03 32 55.8 +14 44 01 0.1435 1.1326 172.0 7.0 23.2
...
2020 11 18 03 51 05.4 +13 02 30 0.08017 1.0681 172.6 6.9 21.8
...
2020 11 24 04 43 04.3 +07 59 42 0.03598 1.0218 163.6 15.9 20.3
2020 11 25 05 05 59.9 +05 37 05 0.02925 1.0144 158.6 20.8 20.0
2020 11 26 05 41 27.6 +01 48 53 0.02307 1.0070 150.2 29.2 19.7
...
2020 12 02 13 12 03.7 -22 25 56 0.03142 0.9645 46.4 132.3 24.9
...
2020 12 10 14 33 13.7 -18 59 16 0.08988 0.9139 36.3 140.4 28.1
...
2020 12 25 15 06 21.0 -18 13 21 0.2090 0.8461 44.1 126.0 28.2
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W160
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