MPEC 2020-W69 : 2020 WK1
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M.P.E.C. 2020-W69 Issued 2020 November 18, 23:45 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 WK1
Observations:
K20W01K*HC2020 11 18.36811604 14 58.39 -11 33 42.4 18.60GVEW069G96
K20W01K HC2020 11 18.37326904 14 55.91 -11 29 39.1 18.85GVEW069G96
K20W01K HC2020 11 18.37841304 14 53.40 -11 25 31.5 VEW069G96
K20W01K KC2020 11 18.42834404 14 30.26 -10 45 37.7 18.29GVEW069I52
K20W01K KC2020 11 18.42883304 14 30.02 -10 45 13.6 18.43GVEW069I52
K20W01K KC2020 11 18.42931704 14 29.77 -10 44 50.7 18.28GVEW069I52
K20W01K KC2020 11 18.42980104 14 29.57 -10 44 27.3 18.54GVEW069I52
K20W01K KC2020 11 18.46090004 14 16.38 -10 19 16.8 18.02GVEW069I52
K20W01K KC2020 11 18.46139004 14 16.16 -10 18 52.9 18.12GVEW069I52
K20W01K KC2020 11 18.46187704 14 15.96 -10 18 29.5 18.61GVEW069I52
K20W01K KC2020 11 18.46235904 14 15.76 -10 18 05.9 18.70GVEW069I52
K20W01K KC2020 11 18.82441204 13 53.12 -05 18 05.9 18.4 RVEW069K61
K20W01K KC2020 11 18.82505904 13 52.86 -05 17 32.0 18.0 RVEW069K61
K20W01K KC2020 11 18.82591804 13 52.54 -05 16 47.7 18.3 RVEW069K61
K20W01K KC2020 11 18.82677804 13 52.24 -05 16 03.3 18.4 RVEW069K61
K20W01K KC2020 11 18.82807204 13 51.78 -05 14 56.8 18.9 RVEW069K61
K20W01K 1C2020 11 18.84740 04 13 44.72 -04 58 08.5 18.3 GVEW069246
K20W01K 1C2020 11 18.84749 04 13 44.64 -04 58 02.2 17.9 GVEW069246
K20W01K 1C2020 11 18.84759 04 13 44.69 -04 57 56.6 VEW069246
K20W01K 1C2020 11 18.84770 04 13 44.61 -04 57 52.9 VEW069246
K20W01K 1C2020 11 18.84791 04 13 44.54 -04 57 40.8 VEW069246
K20W01K KC2020 11 18.87025 04 13 37.17 -04 37 49.8 18.6 GVEW069595
K20W01K KC2020 11 18.87411 04 13 35.56 -04 34 28.2 18.2 GVEW069595
K20W01K KC2020 11 18.87554704 13 37.24 -04 32 54.0 18.4 GVEW069K63
K20W01K KC2020 11 18.87798 04 13 33.88 -04 31 05.2 18.3 GVEW069595
K20W01K KC2020 11 18.88348304 13 31.64 -04 26 11.2 18.7 GVEW069L01
K20W01K KC2020 11 18.88463104 13 31.14 -04 25 11.1 18.6 GVEW069L01
K20W01K KC2020 11 18.88520504 13 30.89 -04 24 40.9 18.6 GVEW069L01
K20W01K KC2020 11 18.88577904 13 30.64 -04 24 10.8 18.6 GVEW069L01
K20W01K KC2020 11 18.88635704 13 30.39 -04 23 40.4 18.4 GVEW069L01
K20W01K KC2020 11 18.88693004 13 30.14 -04 23 10.2 18.4 GVEW069L01
K20W01K KC2020 11 18.88749904 13 29.90 -04 22 40.6 18.6 GVEW069L01
K20W01K KC2020 11 18.88865204 13 29.39 -04 21 40.1 18.6 GVEW069L01
K20W01K KC2020 11 18.88972604 13 31.15 -04 20 30.5 18.5 GVEW069K63
K20W01K KC2020 11 18.89154 04 13 21.99 -04 19 24.9 17.6 VVEW069L04
K20W01K KC2020 11 18.89584 04 13 27.60 -04 14 47.4 18.9 RUEW069470
K20W01K KC2020 11 18.89599 04 13 19.94 -04 15 30.5 17.8 VVEW069L04
K20W01K KC2020 11 18.89696704 13 23.91 -04 15 08.6 18.3 G EW069K62
K20W01K 2C2020 11 18.89706404 13 47.753-04 11 01.76 18.0 GVEW069J04
K20W01K 2C2020 11 18.89715204 13 47.683-04 10 57.41 18.5 GVEW069J04
K20W01K 2C2020 11 18.89725004 13 47.682-04 10 52.29 18.4 GVEW069J04
K20W01K KC2020 11 18.89816404 13 30.30 -04 14 06.7 18.7 GVEW069J95
K20W01K KC2020 11 18.89852 04 13 26.37 -04 12 25.4 18.2 RUEW069470
K20W01K KC2020 11 18.89921704 13 28.27 -04 13 28.5 19.1 GVEW069Z99
K20W01K KC2020 11 18.89970104 13 22.76 -04 12 45.4 18.2 G EW069K62
K20W01K KC2020 11 18.89991804 13 27.96 -04 12 51.7 18.4 GVEW069Z99
K20W01K KC2020 11 18.90047 04 13 17.87 -04 11 34.5 17.6 VVEW069L04
K20W01K KC2020 11 18.90120804 13 27.49 -04 11 43.5 18.8 GVEW069Z99
K20W01K KC2020 11 18.90240904 13 21.60 -04 10 22.0 17.9 G EW069K62
K20W01K KC2020 11 18.90379404 13 28.08 -04 09 10.9 18.5 GVEW069J95
K20W01K KC2020 11 18.90917304 13 18.58 -04 04 26.4 18.6 G EW069K62
K20W01K KC2020 11 18.90950304 13 25.79 -04 04 10.5 18.4 GVEW069J95
K20W01K KC2020 11 18.91573204 13 23.26 -03 58 41.7 18.7 GVEW069J95
K20W01K KC2020 11 18.91594 04 13 26.15 -03 57 22.5 18.9 GVEW069958
K20W01K KC2020 11 18.92199 04 13 23.47 -03 52 03.2 18.2 GVEW069958
K20W01K KC2020 11 18.92807 04 13 20.85 -03 46 42.5 18.9 GVEW069958
K20W01K KC2020 11 18.92910 04 13 13.97 -03 46 10.8 VEW069204
K20W01K KC2020 11 18.93229 04 13 12.48 -03 43 21.8 VEW069204
K20W01K KC2020 11 18.93548 04 13 11.02 -03 40 32.8 18.5 GVEW069204
K20W01K KC2020 11 18.95495 04 13 00.87 -03 22 58.2 17.5 RVEW069160
K20W01K KC2020 11 18.95736 04 12 59.72 -03 20 50.5 17.6 RVEW069160
K20W01K KC2020 11 18.95817 04 12 59.30 -03 20 07.3 18.3 RVEW069160
K20W01K KC2020 11 18.95978 04 12 58.55 -03 18 41.2 17.4 RVEW069160
Observer details:
160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer
E. Prosperi. 0.36-m f/10.2 Schmidt-Cassegrain + 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.
470 Ceccano. Observer G. Masi. 0.43-m f/6.8 astrograph + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/5.15 reflector + CCD.
958 Observatoire de Dax. Observer P. Dupouy. 0.32-m Schmidt-Cassegrain.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. 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 G. J. Leonard.
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.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers M.
Micheli, D. Koschny, L. Conversi, A. Knofel, M. Busch, E. Schwab. 1.0-m
f/4.4 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector +
CCD.
K62 Teplice Observatory. Observer Z. Moravec. 0.43-m f/4.5 reflector + 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,
I. Lyon. Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
2020 WK1 Earth MOID = 0.0104 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 23.92508 (2000.0) P Q
n 0.84725938 Peri. 358.28086 +0.55008486 -0.82335434
a 1.1060934 Node 58.32257 +0.76814185 +0.43325294
e 0.0972328 Incl. 9.44290 +0.32766561 +0.36657813
P 1.16 H 27.2 G 0.15 U 6
Residuals in seconds of arc
201118 G96 0.2- 0.7+ 201118 595 0.1- 0.2- 201118 470 0.2- 0.6+
201118 G96 0.0 0.8- 201118 595 0.2+ 0.5- 201118 Z99 0.4+ 0.3-
201118 G96 (0.3- 2.1+) 201118 K63 0.2- 0.2+ 201118 K62 0.2+ 0.4-
201118 I52 0.5+ 0.0 201118 595 0.3- 0.1- 201118 Z99 0.1- 0.4-
201118 I52 0.1+ 0.5+ 201118 L01 0.1- 0.0 201118 L04 0.6- 0.5+
201118 I52 0.4- 0.0 201118 L01 0.1- 0.2- 201118 Z99 0.3+ 0.0
201118 I52 0.2- 0.1- 201118 L01 0.1- 0.1- 201118 K62 0.3+ 0.4+
201118 I52 0.3+ 0.1+ 201118 L01 0.1- 0.1- 201118 J95 0.4+ 0.2-
201118 I52 0.0 0.1+ 201118 L01 0.1- 0.0 201118 K62 1.3- 0.5-
201118 I52 0.1- 0.3- 201118 L01 0.1- 0.1+ 201118 J95 0.1+ 0.3-
201118 I52 0.1- 0.2- 201118 L01 0.1+ 0.2- 201118 J95 0.2- 0.1+
201118 K61 0.2+ 0.6+ 201118 L01 0.0 0.2- 201118 958 0.1+ 0.3+
201118 K61 0.2- 1.1+ 201118 K63 0.1- 0.5+ 201118 958 0.5- 0.2+
201118 K61 0.3- 0.9+ 201118 L04 0.2+ 0.1+ 201118 958 0.6+ 0.5-
201118 K61 0.2- 0.8+ 201118 470 0.1- 0.4- 201118 204 0.2+ 0.1-
201118 K61 0.1- 0.3+ 201118 L04 0.2- 0.4+ 201118 204 0.3- 0.1-
201118 246 0.0 1.3- 201118 K62 0.0 0.2+ 201118 204 0.1- 0.2-
201118 246 0.7- 0.3+ 201118 J04 0.1- 0.3- 201118 160 0.2- 1.0+
201118 246 0.6+ 0.7+ 201118 J04 0.6- 0.6- 201118 160 0.0 0.4+
201118 246 0.1+ 1.3- 201118 J04 0.0 0.6- 201118 160 0.5- 0.4+
201118 246 0.2+ 0.1- 201118 J95 0.5+ 0.0 201118 160 0.1- 0.7+
Ephemeris:
2020 WK1 a,e,i = 1.11, 0.10, 9 q = 0.9985
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 19 04 40 15.7 -66 55 08 0.09200 1.0102 96.2 78.6 24.8
...
2020 11 03 04 39 04.6 -62 20 29 0.05170 1.0012 98.8 78.3 23.5
...
2020 11 11 04 32 28.8 -53 23 33 0.02923 0.9989 106.7 71.6 22.0
...
2020 11 17 04 19 47.3 -26 32 02 0.01407 0.9984 132.9 46.5 19.7
2020 11 18 04 16 29.9 -16 02 46 0.01227 0.9984 143.2 36.4 19.1
2020 11 19 04 12 43.1 -02 33 56 0.01101 0.9984 156.4 23.3 18.5
...
2020 11 25 03 30 57.8 +69 18 29 0.01807 0.9991 131.2 48.0 20.3
...
2020 12 03 22 41 44.2 +86 11 52 0.03997 1.0014 112.1 65.8 22.5
...
2020 12 18 18 15 01.3 +83 11 36 0.08206 1.0105 106.6 68.9 24.2
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W69
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