MPEC 2020-W167 : 2020 WW4
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M.P.E.C. 2020-W167 Issued 2020 November 26, 15:51 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 WW4
Observations:
K20W04W* C2020 11 23.43451006 17 29.65 +22 31 43.8 21.13GVEW167G96
K20W04W C2020 11 23.43968106 17 29.35 +22 32 16.4 20.51GVEW167G96
K20W04W C2020 11 23.44485206 17 28.99 +22 32 49.3 21.01GVEW167G96
K20W04W mC2020 11 23.47477106 17 26.96 +22 36 00.6 20.59GVEW167V06
K20W04W mC2020 11 23.47556206 17 26.91 +22 36 04.7 20.54GVEW167V06
K20W04W mC2020 11 23.51848406 17 24.07 +22 40 38.3 20.41GVEW167V06
K20W04W mC2020 11 23.51927606 17 24.02 +22 40 43.7 20.36GVEW167V06
K20W04W mC2020 11 23.52006806 17 23.98 +22 40 48.2 20.38GVEW167V06
K20W04W mC2020 11 23.52085906 17 23.92 +22 40 53.1 20.46GVEW167V06
K20W04W KC2020 11 24.40285906 16 31.44 +24 16 05.3 20.92GVEW167I52
K20W04W KC2020 11 24.40456206 16 31.29 +24 16 16.6 20.77GVEW167I52
K20W04W KC2020 11 24.40626506 16 31.19 +24 16 27.2 20.81GVEW167I52
K20W04W KC2020 11 24.40796706 16 31.04 +24 16 38.6 20.72GVEW167I52
K20W04W KC2020 11 24.94057506 15 57.00 +25 14 57.6 20.5 GVEW167L01
K20W04W KC2020 11 24.94273506 15 56.88 +25 15 11.2 20.1 GVEW167L01
K20W04W KC2020 11 24.95157706 15 56.16 +25 16 10.5 20.2 GVEW167L01
K20W04W KC2020 11 24.95504806 15 55.93 +25 16 33.4 20.1 GVEW167L01
K20W04W 1C2020 11 25.02370 06 15 50.57 +25 24 08.1 VEW167246
K20W04W 1C2020 11 25.02490 06 15 50.58 +25 24 15.1 VEW167246
K20W04W 1C2020 11 25.02520 06 15 50.51 +25 24 17.3 VEW167246
K20W04W 1C2020 11 25.02550 06 15 50.47 +25 24 18.9 VEW167246
K20W04W 1C2020 11 25.02580 06 15 50.49 +25 24 22.0 VEW167246
K20W04W KC2020 11 26.23837306 14 22.90 +27 40 07.2 qEW167858
K20W04W KC2020 11 26.24864206 14 22.01 +27 41 18.1 20.7 VqEW167858
K20W04W KC2020 11 26.25889206 14 21.14 +27 42 27.9 20.7 VqEW167858
K20W04W KC2020 11 26.26906006 14 20.42 +27 43 38.0 20.61GVEW167I52
K20W04W KC2020 11 26.27032306 14 20.31 +27 43 46.3 21.06GVEW167I52
K20W04W KC2020 11 26.27158406 14 20.23 +27 43 55.1 VEW167I52
K20W04W KC2020 11 26.27284706 14 20.15 +27 44 04.4 VEW167I52
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M.
Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + 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.
V06 Catalina Sky Survey-Kuiper. 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. 1.55-m reflector +
1K CCD.
Orbital elements:
2020 WW4 Earth MOID = 0.2778 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 3.68463 (2000.0) P Q
n 0.41983715 Peri. 11.29226 +0.19419820 -0.82536788
a 1.7663719 Node 69.38681 +0.85012660 -0.12805246
e 0.2871664 Incl. 34.50015 +0.48946075 +0.54988220
P 2.35 H 21.7 G 0.15 U 8
Residuals in seconds of arc
201123 G96 0.3- 0.2+ 201124 I52 0.2- 0.1+ 201125 246 0.1- 0.8-
201123 G96 0.4+ 0.1- 201124 I52 0.2+ 0.4- 201125 246 0.4+ 0.3+
201123 G96 0.2+ 0.2- 201124 I52 0.1- 0.1- 201126 858 0.3- 0.2-
201123 V06 0.1- 0.5+ 201124 L01 0.2- 0.8+ 201126 858 0.5- 0.4+
201123 V06 0.1- 0.4- 201124 L01 0.4+ 0.0 201126 858 0.3- 0.1+
201123 V06 0.1- 0.0 201124 L01 0.3- 0.5+ 201126 I52 0.1- 0.1-
201123 V06 0.1- 0.4+ 201124 L01 0.1+ 0.3+ 201126 I52 0.1- 0.4-
201123 V06 0.1+ 0.1- 201125 246 0.7- 0.3+ 201126 I52 0.3+ 0.2-
201123 V06 0.0 0.3- 201125 246 0.7+ 0.6- 201126 I52 0.7+ 0.4+
201124 I52 0.1+ 0.0 201125 246 0.1+ 0.4-
Ephemeris:
2020 WW4 a,e,i = 1.77, 0.29, 35 q = 1.2591
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 27 06 14 14.7 -07 30 43 0.5235 1.3050 115.1 43.6 22.6
...
2020 11 11 06 21 59.1 +04 33 25 0.3920 1.2787 130.2 36.3 21.7
...
2020 11 19 06 20 40.0 +15 09 14 0.3378 1.2689 141.1 29.3 21.1
...
2020 11 25 06 15 52.1 +25 21 37 0.3103 1.2638 149.2 23.5 20.8
2020 11 26 06 14 40.0 +27 13 14 0.3071 1.2631 150.4 22.7 20.7
2020 11 27 06 13 20.0 +29 06 55 0.3044 1.2625 151.5 21.9 20.7
...
2020 12 03 06 02 07.3 +40 51 19 0.2972 1.2599 154.1 20.0 20.6
...
2020 12 11 05 35 57.2 +55 28 23 0.3130 1.2593 147.2 25.0 20.8
...
2020 12 26 04 01 09.5 +72 07 47 0.3999 1.2675 127.6 38.0 21.7
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W167
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