MPEC 2020-W108 : 2020 WU2
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M.P.E.C. 2020-W108 Issued 2020 November 22, 15:22 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 WU2
Observations:
K20W02U* C2020 11 20.39739502 00 47.401-18 06 20.62 21.49wUEW108F51
K20W02U C2020 11 20.40773302 00 49.620-18 05 48.48 21.43wUEW108F51
K20W02U C2020 11 20.41806702 00 51.798-18 05 17.01 21.50wUEW108F51
K20W02U C2020 11 20.42845802 00 54.005-18 04 44.94 21.21wUEW108F51
K20W02U |C2020 11 21.13366 02 03 35.69 -17 28 08.4 21.3 GVEW108807
K20W02U |C2020 11 21.13803 02 03 36.61 -17 27 55.1 21.2 GVEW108807
K20W02U |C2020 11 21.14254 02 03 37.55 -17 27 40.9 21.1 GVEW108807
K20W02U KC2020 11 21.17352 02 03 45.81 -17 26 43.7 21.7 RoEW108291
K20W02U KC2020 11 21.17801 02 03 46.76 -17 26 30.1 21.1 RoEW108291
K20W02U KC2020 11 21.18249 02 03 47.65 -17 26 16.9 21.3 RoEW108291
K20W02U |C2020 11 22.05519 02 07 05.92 -16 40 24.5 21.1 VuEW108807
K20W02U |C2020 11 22.06148 02 07 07.30 -16 40 05.1 21.4 VuEW108807
K20W02U |C2020 11 22.06749 02 07 08.55 -16 39 45.9 21.3 VuEW108807
K20W02U KC2020 11 22.13837 02 07 25.12 -16 36 42.4 21.2 RoEW108691
K20W02U KC2020 11 22.14837 02 07 27.27 -16 36 11.1 21.2 RoEW108691
K20W02U KC2020 11 22.15078102 07 27.77 -16 36 04.1 21.09GVEW108V06
K20W02U KC2020 11 22.15315702 07 28.25 -16 35 56.9 21.50GVEW108V06
K20W02U KC2020 11 22.15553302 07 28.79 -16 35 48.8 20.51GVEW108V06
K20W02U KC2020 11 22.15844 02 07 29.43 -16 35 39.4 20.6 RoEW108691
K20W02U KC2020 11 22.40762302 08 25.20 -16 21 50.3 21.2 GVEW108474
K20W02U KC2020 11 22.41121402 08 25.91 -16 21 37.5 21.0 GVEW108474
K20W02U KC2020 11 22.41477302 08 26.77 -16 21 28.1 VEW108474
K20W02U KC2020 11 22.41833302 08 27.61 -16 21 16.2 21.1 GVEW108474
K20W02U KC2020 11 22.42216002 08 28.19 -16 21 03.0 21.0 GVEW108474
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. T. Read. 0.9-m
f/3 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD, 0.61-m f/6.5 astrograph + 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.
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 WU2 Earth MOID = 0.1820 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 7.54626 (2000.0) P Q
n 0.19766897 Peri. 289.95357 +0.75543276 -0.64775811
a 2.9186166 Node 110.55308 +0.63364341 +0.68390059
e 0.6090493 Incl. 6.04736 +0.16678540 +0.33569244
P 4.99 H 22.8 G 0.15 U 8
Residuals in seconds of arc
201120 F51 0.1- 0.2- 201121 291 0.1- 0.5+ 201122 V06 0.2- 0.5-
201120 F51 0.2+ 0.2+ 201121 291 1.0- 0.1- 201122 V06 0.3+ 0.2+
201120 F51 0.0 0.1- 201122 807 0.3- 0.7- 201122 691 0.1+ 0.3+
201120 F51 0.2- 0.0 201122 807 0.4+ 0.8- 201122 474 0.0 0.4-
201121 807 0.7+ 0.1+ 201122 807 0.1+ 0.3- 201122 474 0.8- 1.2+
201121 807 0.6+ 0.1- 201122 691 0.4- 0.4- 201122 474 0.6+ 0.6-
201121 807 0.3+ 0.1+ 201122 691 0.2- 0.1- 201122 474 1.7+ 0.2+
201121 291 0.0 0.6+ 201122 V06 0.2+ 0.3- 201122 474 1.7- 1.4+
Ephemeris:
2020 WU2 a,e,i = 2.92, 0.61, 6 q = 1.1410
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 23 00 19 47.3 -32 44 07 0.2325 1.1603 130.8 40.5 21.5
...
2020 11 07 01 09 42.1 -27 36 08 0.2153 1.1413 130.0 41.7 21.4
...
2020 11 15 01 40 06.5 -22 24 54 0.2137 1.1437 132.2 39.9 21.3
...
2020 11 21 02 03 05.3 -17 35 12 0.2173 1.1512 134.7 37.6 21.3
2020 11 22 02 06 52.4 -16 43 29 0.2184 1.1529 135.2 37.1 21.3
2020 11 23 02 10 38.1 -15 51 02 0.2196 1.1548 135.7 36.7 21.3
...
2020 11 29 02 32 36.6 -10 26 43 0.2300 1.1687 138.5 34.0 21.4
...
2020 12 07 02 59 48.6 -03 16 10 0.2528 1.1940 141.8 30.7 21.5
...
2020 12 22 03 43 48.8 +08 09 46 0.3247 1.2601 143.7 27.5 22.1
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W108
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