MPEC 2020-W152 : 2020 WJ4
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M.P.E.C. 2020-W152 Issued 2020 November 25, 12:57 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 WJ4
Observations:
K20W04J C2020 11 14.41598 07 39 59.40 +11 55 26.6 21.3 GVEW152G96
K20W04J C2020 11 14.42113 07 40 00.30 +11 55 27.8 21.9 GVEW152G96
K20W04J C2020 11 14.42629 07 40 01.20 +11 55 29.7 22.2 GVEW152G96
K20W04J C2020 11 14.43143 07 40 02.14 +11 55 30.9 VEW152G96
K20W04J* C2020 11 24.40239408 10 34.04 +12 48 05.3 20.84GVEW152G96
K20W04J C2020 11 24.40748808 10 34.94 +12 48 07.5 20.95GVEW152G96
K20W04J C2020 11 24.41258608 10 35.83 +12 48 09.3 21.26GVEW152G96
K20W04J C2020 11 24.41769108 10 36.74 +12 48 11.4 21.25GVEW152G96
K20W04J KC2020 11 24.44340508 10 41.24 +12 48 21.8 20.45GVEW152I52
K20W04J KC2020 11 24.44681208 10 41.85 +12 48 23.6 20.38GVEW152I52
K20W04J KC2020 11 25.06724308 12 35.99 +12 52 35.2 20.6 GVEW152L01
K20W04J KC2020 11 25.07427408 12 37.26 +12 52 38.3 20.8 GVEW152L01
K20W04J KC2020 11 25.07665708 12 37.68 +12 52 39.5 20.7 GVEW152L01
K20W04J KC2020 11 25.07903908 12 38.09 +12 52 40.5 21.0 GVEW152L01
K20W04J KC2020 11 25.36010 08 13 30.22 +12 54 42.7 20.4 RoEW152691
K20W04J KC2020 11 25.37803908 13 33.40 +12 54 50.1 21.69GVEW152I52
K20W04J KC2020 11 25.37930008 13 33.62 +12 54 50.4 20.74GVEW152I52
K20W04J KC2020 11 25.38181908 13 34.06 +12 54 51.7 20.66GVEW152I52
K20W04J KC2020 11 25.38695 08 13 34.97 +12 54 54.8 20.9 RoEW152691
K20W04J KC2020 11 25.41379 08 13 39.72 +12 55 06.2 oEW152691
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
G96 Mt. Lemmon Survey. Observers D. Rankin, D. C. Fuls. Measurers D. Rankin,
B. Gray, F. C. Shelly, 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, R. L. Seaman, 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 WJ4 Earth MOID = 0.2388 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 357.86763 (2000.0) P Q
n 0.37465949 Peri. 7.06093 -0.21491098 -0.96608218
a 1.9056577 Node 95.42401 +0.88886486 -0.25422264
e 0.3589975 Incl. 8.26877 +0.40463876 +0.04534390
P 2.63 H 21.0 G 0.15 U 8
Residuals in seconds of arc
201114 G96 0.1+ 0.3- 201124 G96 0.2+ 0.1- 201125 691 0.0 0.2+
201114 G96 0.1- 0.3- 201124 I52 0.3- 0.3- 201125 I52 0.2+ 0.2-
201114 G96 0.2- 0.3+ 201124 I52 0.2- 0.1+ 201125 I52 0.1+ 0.5-
201114 G96 0.2+ 0.3+ 201125 L01 0.2- 0.1- 201125 I52 0.0 0.3-
201124 G96 0.2+ 0.1+ 201125 L01 0.1+ 0.0 201125 691 0.2- 0.4+
201124 G96 0.2+ 0.2+ 201125 L01 0.1+ 0.2+ 201125 691 0.1- 0.1+
201124 G96 0.0 0.1- 201125 L01 0.1- 0.2+
Ephemeris:
2020 WJ4 a,e,i = 1.91, 0.36, 8 q = 1.2215
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 26 06 41 36.1 +11 11 45 0.5885 1.3302 111.8 43.9 22.2
...
2020 11 10 07 26 31.1 +11 40 20 0.4920 1.2833 115.8 44.0 21.7
...
2020 11 18 07 50 56.6 +12 11 15 0.4483 1.2630 118.1 43.7 21.4
...
2020 11 24 08 09 19.4 +12 45 30 0.4191 1.2502 119.9 43.2 21.3
2020 11 25 08 12 23.1 +12 52 18 0.4146 1.2483 120.2 43.1 21.2
2020 11 26 08 15 26.7 +12 59 26 0.4101 1.2464 120.5 43.0 21.2
...
2020 12 02 08 33 43.3 +13 49 41 0.3852 1.2366 122.6 42.2 21.0
...
2020 12 10 08 57 35.3 +15 18 37 0.3567 1.2272 125.6 40.7 20.8
...
2020 12 25 09 38 35.9 +19 20 19 0.3185 1.2217 132.6 36.3 20.4
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W152
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