MPEC 2020-W161 : 2020 WT4
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M.P.E.C. 2020-W161 Issued 2020 November 25, 23:47 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 WT4
Observations:
K20W04T* C2020 11 24.19052703 41 35.83 +12 08 41.1 20.75GVEW161G96
K20W04T C2020 11 24.19564303 41 30.82 +12 08 37.2 20.91GVEW161G96
K20W04T C2020 11 24.20076403 41 25.86 +12 08 33.5 21.10GVEW161G96
K20W04T C2020 11 24.20591403 41 20.92 +12 08 30.3 21.14GVEW161G96
K20W04T KC2020 11 24.24494003 40 42.91 +12 08 01.5 20.00GVEW161I52
K20W04T KC2020 11 24.24896203 40 38.95 +12 07 58.2 20.60GVEW161I52
K20W04T KC2020 11 24.25298803 40 35.00 +12 07 54.9 20.40GVEW161I52
K20W04T KC2020 11 24.25701603 40 31.05 +12 07 51.2 20.14GVEW161I52
K20W04T KC2020 11 24.78004103 33 09.49 +11 58 51.1 20.0 GVEW161L01
K20W04T KC2020 11 24.78332903 33 06.56 +11 58 49.2 19.8 GVEW161L01
K20W04T KC2020 11 24.85211603 32 03.81 +11 57 57.6 20.3 GVEW161L01
K20W04T KC2020 11 24.85600503 32 00.20 +11 57 54.5 20.1 GVEW161L01
K20W04T KC2020 11 24.86391903 31 52.94 +11 57 48.2 20.2 GVEW161L01
K20W04T 1C2020 11 25.01642 03 29 32.05 +11 55 09.2 VEW161246
K20W04T 1C2020 11 25.01733 03 29 31.18 +11 55 09.7 VEW161246
K20W04T 1C2020 11 25.01826 03 29 30.44 +11 55 07.4 VEW161246
K20W04T KC2020 11 25.17168003 27 39.65 +11 53 52.7 20.18GVEW161I52
K20W04T KC2020 11 25.17293803 27 38.45 +11 53 52.8 20.55GVEW161I52
K20W04T KC2020 11 25.17545703 27 36.22 +11 53 51.1 20.52GVEW161I52
K20W04T KC2020 11 25.88510603 17 56.72 +11 41 09.6 20.8 GVEW161J95
K20W04T KC2020 11 25.90833703 17 36.75 +11 40 48.7 21.2 GVEW161J95
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, V. Dobos, D. Pujagic,
I. Lyon. Measurers D. Pujagic, K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2020 WT4 Earth MOID = 0.0054 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 200.47898 (2000.0) P Q
n 1.21842530 Peri. 169.73900 -0.38848925 +0.92135275
a 0.8681673 Node 77.39942 -0.84640190 -0.35096980
e 0.1719770 Incl. 0.79904 -0.36425257 -0.16712065
P 0.81 H 27.6 G 0.15 U 8
Residuals in seconds of arc
201124 G96 0.2+ 0.3+ 201124 I52 0.2+ 0.5- 201125 246 1.2- 0.8+
201124 G96 0.8- 0.2- 201124 L01 0.8- 0.5+ 201125 246 0.3+ 0.5-
201124 G96 0.8- 0.4- 201124 L01 0.4- 0.8+ 201125 I52 0.3+ 0.6-
201124 G96 0.0 0.0 201124 L01 0.6+ 0.0 201125 I52 0.5- 0.4+
201124 I52 0.7+ 0.1+ 201124 L01 0.3+ 0.1- 201125 I52 0.6+ 0.6+
201124 I52 0.4+ 0.0 201124 L01 1.1+ 0.0 201125 J95 0.5- 0.0
201124 I52 0.2+ 0.1- 201125 246 0.5- 0.6- 201125 J95 0.5+ 0.1-
Ephemeris:
2020 WT4 a,e,i = 0.87, 0.17, 1 q = 0.7189
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 26 08 48 23.0 +07 39 42 0.05308 0.9867 80.5 96.5 24.7
...
2020 11 10 07 10 57.2 +11 05 44 0.03346 1.0071 119.4 59.0 22.4
...
2020 11 18 05 20 44.1 +12 48 11 0.02797 1.0136 153.6 25.7 21.0
...
2020 11 24 03 44 14.5 +12 13 14 0.02952 1.0164 171.0 8.8 20.6
2020 11 25 03 29 53.4 +11 58 25 0.03028 1.0167 168.1 11.5 20.7
2020 11 26 03 16 21.1 +11 42 20 0.03116 1.0170 164.6 14.9 20.9
...
2020 12 02 02 12 59.9 +10 03 27 0.03846 1.0174 144.3 34.4 22.0
...
2020 12 10 01 26 03.7 +08 35 41 0.05133 1.0151 125.0 52.6 23.1
...
2020 12 25 00 53 17.9 +08 00 11 0.07747 1.0025 102.0 73.7 24.6
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W161
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