MPEC 2020-W117 : 2020 WC3
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M.P.E.C. 2020-W117 Issued 2020 November 23, 02:25 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 WC3
Observations:
K20W03C* C2020 11 21.19121802 09 26.15 +44 54 16.5 20.04GVEW117G96
K20W03C C2020 11 21.19630302 09 26.51 +44 53 53.6 20.15GVEW117G96
K20W03C C2020 11 21.20139102 09 26.86 +44 53 29.9 20.62GVEW117G96
K20W03C C2020 11 21.20648202 09 27.21 +44 53 07.3 20.01GVEW117G96
K20W03C mC2020 11 21.22684802 09 28.61 +44 51 34.5 19.90GVEW117I52
K20W03C mC2020 11 21.22761502 09 28.65 +44 51 30.8 20.12GVEW117I52
K20W03C mC2020 11 21.22838102 09 28.71 +44 51 27.3 VEW117I52
K20W03C mC2020 11 21.30217702 09 33.84 +44 45 46.4 20.07GVEW117I52
K20W03C mC2020 11 21.30294502 09 33.88 +44 45 43.0 20.56GVEW117I52
K20W03C mC2020 11 21.30371302 09 33.94 +44 45 39.3 20.16GVEW117I52
K20W03C 1C2020 11 21.71078 02 10 15.79 +44 13 54.3 20.7 VVEW117033
K20W03C 1C2020 11 21.71229 02 10 15.95 +44 13 46.3 20.7 VVEW117033
K20W03C 1C2020 11 21.71379 02 10 16.09 +44 13 40.4 20.3 VVEW117033
K20W03C 1C2020 11 21.71533 02 10 16.17 +44 13 33.2 20.7 VVEW117033
K20W03C KC2020 11 21.76689 02 10 20.84 +44 09 40.6 19.8 GVEW117587
K20W03C KC2020 11 21.76750 02 10 20.84 +44 09 38.0 19.6 GVEW117587
K20W03C KC2020 11 21.76811 02 10 20.85 +44 09 35.2 20.1 GVEW117587
K20W03C KC2020 11 21.80646402 10 24.24 +44 06 41.2 20.7 GVEW117B49
K20W03C bC2020 11 21.80943902 10 23.92 +44 06 27.7 19.5 GVEW117L01
K20W03C KC2020 11 21.80986102 10 24.55 +44 06 25.2 21.8 GVEW117B49
K20W03C bC2020 11 21.81178702 10 24.08 +44 06 17.0 19.5 GVEW117L01
K20W03C KC2020 11 21.81574 02 10 24.61 +44 05 57.0 VEW117204
K20W03C bC2020 11 21.81879102 10 24.61 +44 05 44.3 19.9 GVEW117L01
K20W03C bC2020 11 21.82221902 10 24.91 +44 05 28.8 19.9 GVEW117L01
K20W03C bC2020 11 21.82682202 10 25.26 +44 05 07.1 20.0 GVEW117L01
K20W03C KC2020 11 21.82978 02 10 25.68 +44 04 52.4 VEW117204
K20W03C KC2020 11 21.83791 02 10 26.31 +44 04 14.7 20.2 GVEW117204
K20W03C 1C2020 11 21.88296 02 10 29.45 +44 00 43.3 VEW117246
K20W03C 1C2020 11 21.88362 02 10 29.50 +44 00 39.8 VEW117246
K20W03C 1C2020 11 21.88392 02 10 29.48 +44 00 38.7 VEW117246
K20W03C 1C2020 11 21.88422 02 10 29.58 +44 00 37.0 VEW117246
K20W03C 1C2020 11 21.88453 02 10 29.48 +44 00 35.4 VEW117246
K20W03C 1C2020 11 21.88483 02 10 29.60 +44 00 34.1 VEW117246
K20W03C 1C2020 11 21.88516 02 10 29.51 +44 00 32.3 VEW117246
K20W03C 1C2020 11 21.88546 02 10 29.60 +44 00 31.5 VEW117246
K20W03C KC2020 11 21.89610502 10 30.69 +43 59 43.9 19.6 GVEW117K38
K20W03C KC2020 11 21.91502702 10 32.09 +43 58 14.4 19.7 GVEW117K38
K20W03C KC2020 11 21.93607902 10 33.65 +43 56 35.9 20.2 GVEW117K38
K20W03C 2C2020 11 22.00619402 10 39.38 +43 51 10.8 20.0 GVEW117Z84
K20W03C 2C2020 11 22.01859602 10 40.32 +43 50 11.4 20.2 GVEW117Z84
K20W03C 2C2020 11 22.03099802 10 41.27 +43 49 12.1 19.8 GVEW117Z84
K20W03C KC2020 11 22.04306 02 10 46.64 +43 48 16.7 19.3 GVEW117W34
K20W03C KC2020 11 22.05369 02 10 47.45 +43 47 27.1 19.6 GVEW117W34
K20W03C KC2020 11 22.06444 02 10 48.21 +43 46 37.8 19.6 GVEW117W34
K20W03C mC2020 11 22.08403702 10 51.21 +43 44 59.9 20.61GVEW117I52
K20W03C mC2020 11 22.08480502 10 51.32 +43 44 56.8 19.64GVEW117I52
K20W03C mC2020 11 22.08557202 10 51.36 +43 44 53.2 19.47GVEW117I52
K20W03C KC2020 11 22.11207702 10 53.24 +43 42 36.7 19.8 VqEW117U55
K20W03C KC2020 11 22.12088502 10 54.00 +43 41 55.5 19.7 VqEW117U55
K20W03C KC2020 11 22.12968402 10 54.70 +43 41 15.5 20.1 VqEW117U55
K20W03C KC2020 11 22.75861302 11 54.97 +42 51 12.1 20.5 GVEW117K63
K20W03C KC2020 11 22.75946602 11 55.10 +42 51 08.1 20.6 GVEW117K63
K20W03C KC2020 11 22.77951902 11 56.68 +42 49 33.4 20.6 GVEW117K63
K20W03C mC2020 11 23.08822602 12 27.32 +42 24 38.3 VEW117I52
K20W03C mC2020 11 23.09126202 12 27.62 +42 24 24.0 20.04GVEW117I52
K20W03C mC2020 11 23.09168202 12 27.62 +42 24 22.3 19.92GVEW117I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M.
Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
587 Sormano. Observer E. Colzani. Measurer P. Sicoli. 0.5-m f/6.8 reflector
+ CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 reflector +
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. 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.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.4-m
f/3.2 Newtonian 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.
U55 Golden Ears Observatory, Maple Ridge. Observer B. Kumar. 0.36-m f/7
Schmidt-Cassegrain + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.36-m
Schmidt-Cassegrain + 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 WC3 Earth MOID = 0.1472 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 355.52697 (2000.0) P Q
n 0.59460876 Peri. 193.13010 +0.07742848 -0.95773912
a 1.4006034 Node 252.96432 +0.93891276 +0.16350054
e 0.1941970 Incl. 16.84202 +0.33533218 -0.23665029
P 1.66 H 22.4 G 0.15 U 7
Residuals in seconds of arc
201121 G96 0.1- 0.1+ 201121 B49 0.4- 0.7- 201122 Z84 0.0 0.1+
201121 G96 0.0 0.3+ 201121 L01 0.1- 0.2+ 201122 Z84 0.1+ 0.1+
201121 G96 0.0 0.4- 201121 204 0.0 0.2- 201122 Z84 0.1+ 0.4+
201121 G96 0.0 0.2+ 201121 L01 0.1- 0.1- 201122 W34 0.3- 0.6+
201121 I52 0.0 0.2+ 201121 L01 0.3+ 0.2+ 201122 W34 0.3- 0.1+
201121 I52 0.2- 0.0 201121 L01 0.4+ 0.2- 201122 W34 0.9- 0.5+
201121 I52 0.1- 0.0 201121 204 0.1- 0.0 201122 I52 0.2- 0.3-
201121 I52 0.1- 0.0 201121 204 0.1+ 0.1- 201122 I52 0.3+ 0.1+
201121 I52 0.2- 0.2+ 201121 246 0.5+ 0.3+ 201122 I52 0.1+ 0.0
201121 I52 0.2- 0.1+ 201121 246 0.5+ 0.1- 201122 U55 0.4- 0.7+
201121 033 0.0 0.2+ 201121 246 0.1+ 0.2+ 201122 U55 0.1- 0.2+
201121 033 0.3+ 0.9- 201121 246 0.9+ 0.1- 201122 U55 0.4- 0.9+
201121 033 0.4+ 0.0 201121 246 0.4- 0.2- 201122 K63 0.1+ 0.2-
201121 033 0.1- 0.2- 201121 246 0.6+ 0.1- 201122 K63 0.8+ 0.2-
201121 587 0.9+ 0.6- 201121 246 0.6- 0.4- 201122 K63 0.0 0.0
201121 587 0.4+ 0.4- 201121 246 0.1+ 0.2+ 201123 I52 0.4- 0.2-
201121 587 0.0 0.4- 201121 K38 0.2+ 0.1+ 201123 I52 0.1+ 0.1-
201121 B49 0.9- 0.2- 201121 K38 0.1+ 0.5- 201123 I52 0.3- 0.2+
201121 L01 0.1+ 0.1+ 201121 K38 0.2- 0.3+
Ephemeris:
2020 WC3 a,e,i = 1.40, 0.19, 17 q = 1.1286
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 24 01 46 26.7 +63 12 00 0.3020 1.2061 128.5 40.2 21.8
...
2020 11 08 01 53 59.8 +57 26 34 0.2345 1.1747 137.6 34.6 21.0
...
2020 11 16 02 02 12.3 +50 50 02 0.2049 1.1608 143.9 30.1 20.6
...
2020 11 22 02 10 40.3 +43 51 41 0.1877 1.1518 148.4 26.7 20.3
2020 11 23 02 12 15.9 +42 31 54 0.1854 1.1504 149.1 26.2 20.2
2020 11 24 02 13 54.4 +41 09 25 0.1832 1.1491 149.6 25.7 20.2
...
2020 11 30 02 24 37.0 +32 06 00 0.1740 1.1420 151.4 24.4 20.0
...
2020 12 08 02 40 36.1 +18 56 44 0.1731 1.1347 147.4 27.9 20.1
...
2020 12 23 03 13 19.6 -01 46 54 0.2046 1.1287 131.1 41.1 20.8
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W117
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