MPEC 2020-W104 : 2020 WS2
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M.P.E.C. 2020-W104 Issued 2020 November 22, 05:35 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 WS2
Observations:
K20W02S* C2020 11 20.44367403 24 16.431-10 42 21.50 20.89wUEW104F51
K20W02S C2020 11 20.45603703 24 19.555-10 42 48.05 21.27wUEW104F51
K20W02S C2020 11 20.46836103 24 22.680-10 43 14.32 20.54wUEW104F51
K20W02S 1C2020 11 20.91158 03 26 38.14 -11 00 11.4 21.4 VVEW104033
K20W02S 1C2020 11 20.91448 03 26 38.97 -11 00 18.0 21.1 VVEW104033
K20W02S 1C2020 11 20.91738 03 26 39.80 -11 00 24.4 21.1 VVEW104033
K20W02S 1C2020 11 20.92044 03 26 40.64 -11 00 31.3 21.1 VVEW104033
K20W02S KC2020 11 21.27379 03 28 32.41 -11 13 43.5 20.4 RoEW104691
K20W02S KC2020 11 21.28260 03 28 34.94 -11 14 04.3 20.0 RoEW104691
K20W02S KC2020 11 21.29163 03 28 37.55 -11 14 25.8 21.0 RoEW104691
K20W02S KC2020 11 21.31283103 28 43.65 -11 15 16.0 20.80GVEW104I52
K20W02S KC2020 11 21.31436603 28 44.12 -11 15 18.9 20.11GVEW104I52
K20W02S KC2020 11 21.31590103 28 44.55 -11 15 22.5 19.99GVEW104I52
K20W02S 1C2020 11 21.90844 03 32 08.87 -11 39 33.2 20.2 GVEW104246
K20W02S 1C2020 11 21.90874 03 32 08.91 -11 39 34.3 VEW104246
K20W02S 1C2020 11 21.91411 03 32 10.72 -11 39 47.8 VEW104246
K20W02S 1C2020 11 21.91494 03 32 10.98 -11 39 48.7 20.1 GVEW104246
K20W02S 1C2020 11 21.91530 03 32 11.07 -11 39 50.2 19.7 GVEW104246
K20W02S 2C2020 11 21.91974403 32 14.31 -11 39 48.2 20.5 GVEW104Z84
K20W02S 2C2020 11 21.92594703 32 16.33 -11 40 03.8 20.3 GVEW104Z84
K20W02S 2C2020 11 21.93292503 32 18.58 -11 40 21.6 20.3 GVEW104Z84
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M.
Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer R. A. Mastaler.
0.9-m f/3 reflector + 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. 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.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, D. Koschny,
M. Micheli, R. Jehn. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2020 WS2 Earth MOID = 0.0139 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 358.28061 (2000.0) P Q
n 0.21662810 Peri. 11.62928 -0.18508293 -0.97962332
a 2.7457407 Node 89.07249 +0.89526090 -0.20080782
e 0.6530292 Incl. 4.47363 +0.40528043 -0.00379038
P 4.55 H 24.68 G 0.15 U 9
Residuals in seconds of arc
201120 F51 0.1- 0.1+ 201121 691 0.1+ 0.1+ 201121 246 0.7- 0.1-
201120 F51 0.0+ 0.0- 201121 691 0.1- 0.0- 201121 246 0.1+ 0.1-
201120 F51 0.1+ 0.0+ 201121 691 0.1- 0.4- 201121 246 0.1- 1.0+
201120 033 0.5- 0.5- 201121 I52 0.0- 0.3- 201121 246 0.5- 0.4+
201120 033 0.4- 0.5- 201121 I52 0.3+ 0.4+ 201121 Z84 0.3+ 0.1-
201120 033 0.2- 0.3- 201121 I52 0.1+ 0.4+ 201121 Z84 0.4+ 0.0+
201120 033 0.6- 0.3- 201121 246 0.2+ 0.2+ 201121 Z84 0.2+ 0.1-
Ephemeris:
2020 WS2 a,e,i = 2.75, 0.65, 4 q = 0.9527
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 23 02 39 52.8 -01 46 02 0.2969 1.2807 162.0 13.9 23.4
...
2020 11 07 02 51 44.1 -05 19 57 0.1807 1.1609 158.4 18.3 22.2
...
2020 11 15 03 05 26.3 -08 01 54 0.1266 1.1036 153.2 23.8 21.5
...
2020 11 21 03 27 04.5 -11 02 03 0.08906 1.0650 148.7 28.8 20.8
2020 11 22 03 32 40.6 -11 41 49 0.08308 1.0590 147.9 29.7 20.7
2020 11 23 03 39 11.3 -12 25 49 0.07719 1.0531 147.0 30.7 20.6
...
2020 11 29 04 55 37.3 -19 09 45 0.04514 1.0206 138.5 39.8 19.6
...
2020 12 07 10 19 18.3 -19 25 01 0.03504 0.9861 90.4 87.5 20.5
...
2020 12 22 13 18 12.7 -02 47 02 0.1122 0.9536 71.3 102.3 23.6
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W104
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