MPEC 2020-W98 : 2020 WL2
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M.P.E.C. 2020-W98 Issued 2020 November 21, 06:16 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 WL2
Observations:
K20W02L* C2020 11 20.22182105 04 12.01 +57 58 18.2 20.04GVEW098G96
K20W02L C2020 11 20.22705905 04 13.94 +57 59 11.4 VEW098G96
K20W02L C2020 11 20.23229305 04 15.91 +58 00 04.4 19.90GVEW098G96
K20W02L C2020 11 20.23753705 04 17.84 +58 00 57.5 20.11GVEW098G96
K20W02L KC2020 11 20.29498405 04 36.68 +58 10 33.6 19.8 VuEW098H21
K20W02L KC2020 11 20.29789805 04 37.76 +58 11 02.8 19.9 VuEW098H21
K20W02L KC2020 11 20.30090405 04 38.86 +58 11 32.4 20.2 VuEW098H21
K20W02L KC2020 11 20.35628 05 04 59.98 +58 20 43.0 19.3 RqEW098734
K20W02L KC2020 11 20.36546105 05 04.34 +58 22 19.2 19.6 VqEW098858
K20W02L KC2020 11 20.36649 05 05 03.77 +58 22 25.4 20.8 RqEW098734
K20W02L KC2020 11 20.37159 05 05 05.65 +58 23 15.8 19.8 RqEW098734
K20W02L KC2020 11 20.37285505 05 07.06 +58 23 32.5 20.2 VqEW098858
K20W02L KC2020 11 20.37670 05 05 07.65 +58 24 06.5 19.6 RqEW098734
K20W02L KC2020 11 20.38031605 05 09.85 +58 24 46.5 20.3 VqEW098858
K20W02L KC2020 11 20.38179 05 05 09.77 +58 24 56.6 19.7 RqEW098734
K20W02L mC2020 11 20.44375005 05 33.91 +58 35 15.1 20.08GVEW098I52
K20W02L mC2020 11 20.44417405 05 34.09 +58 35 19.4 19.44GVEW098I52
K20W02L mC2020 11 20.44459905 05 34.20 +58 35 23.7 20.12GVEW098I52
K20W02L mC2020 11 20.44501905 05 34.39 +58 35 27.3 19.41GVEW098I52
K20W02L mC2020 11 20.50812705 05 58.65 +58 45 45.1 19.59GVEW098I52
K20W02L mC2020 11 20.50854805 05 58.88 +58 45 48.9 19.64GVEW098I52
K20W02L mC2020 11 20.50896705 05 59.02 +58 45 53.0 20.05GVEW098I52
K20W02L mC2020 11 20.50939005 05 59.15 +58 45 57.2 VEW098I52
K20W02L 1C2020 11 20.73982 05 07 45.74 +59 23 35.7 20.2 VVEW098033
K20W02L 1C2020 11 20.74091 05 07 46.22 +59 23 46.9 20.2 VVEW098033
K20W02L 1C2020 11 20.74201 05 07 46.71 +59 23 58.0 20.1 VVEW098033
K20W02L 1C2020 11 20.74317 05 07 47.20 +59 24 09.8 20.0 VVEW098033
K20W02L KC2020 11 20.80902105 08 15.53 +59 35 18.8 20.6 RVEW098K61
K20W02L KC2020 11 20.80973 05 08 16.02 +59 35 23.3 20.4 GVEW098A17
K20W02L KC2020 11 20.80992205 08 15.89 +59 35 27.8 19.5 RVEW098K61
K20W02L KC2020 11 20.81112505 08 16.44 +59 35 39.9 19.4 RVEW098K61
K20W02L KC2020 11 20.81196205 08 16.77 +59 35 48.9 19.0 RVEW098K61
K20W02L KC2020 11 20.82590 05 08 22.91 +59 38 06.5 19.9 GVEW098A17
K20W02L KC2020 11 20.84192 05 08 29.74 +59 40 48.8 19.8 GVEW098A17
K20W02L bC2020 11 20.88084505 08 46.30 +59 47 27.7 19.8 GVEW098L01
K20W02L bC2020 11 20.88257105 08 46.98 +59 47 44.6 19.9 GVEW098L01
K20W02L bC2020 11 20.88430405 08 47.62 +59 48 01.9 19.3 GVEW098L01
K20W02L bC2020 11 20.88603805 08 48.40 +59 48 19.5 19.5 GVEW098L01
K20W02L bC2020 11 20.88863705 08 49.52 +59 48 45.1 19.9 GVEW098L01
K20W02L KC2020 11 20.92394 05 09 04.17 +59 54 40.8 20.3 GVEW098595
K20W02L KC2020 11 20.95750705 09 18.52 +60 00 15.6 19.5 GVEW098203
K20W02L KC2020 11 20.96334 05 09 20.50 +60 01 14.9 19.6 GVEW098595
K20W02L KC2020 11 20.98044905 09 28.08 +60 04 05.5 VEW098203
K20W02L KC2020 11 21.04642 05 10 02.16 +60 14 36.1 18.6 GVEW098W34
K20W02L KC2020 11 21.05582 05 10 06.47 +60 16 11.0 19.2 GVEW098W34
K20W02L KC2020 11 21.06587 05 10 10.99 +60 17 53.4 19.1 GVEW098W34
K20W02L KC2020 11 21.09242905 10 15.80 +60 22 36.5 19.5 GVEW098I93
K20W02L KC2020 11 21.09568905 10 17.19 +60 23 09.5 20.0 GVEW098I93
K20W02L KC2020 11 21.09917905 10 18.61 +60 23 43.5 19.5 GVEW098I93
K20W02L mC2020 11 21.22445805 11 22.57 +60 44 24.1 19.79GVEW098I52
K20W02L mC2020 11 21.22505305 11 22.92 +60 44 30.4 19.45GVEW098I52
K20W02L mC2020 11 21.22564605 11 23.14 +60 44 36.3 19.71GVEW098I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/5.76 Schmidt-Cassegrain + CCD.
595 Farra d'Isonzo. Observers S. Aschi, E. Pettarin. Measurer S. Aschi.
0.40-m f/5.15 reflector + CCD.
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.7-m reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, 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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector +
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.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.36-m
Schmidt-Cassegrain + CCD.
Orbital elements:
2020 WL2 Earth MOID = 0.1531 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 358.25224 (2000.0) P Q
n 0.25231641 Peri. 53.41336 -0.13559926 -0.96502708
a 2.4803086 Node 46.04823 +0.78000144 -0.24360907
e 0.5858264 Incl. 18.15798 +0.61090965 +0.09683670
P 3.91 H 22.29 G 0.15 U 9
Residuals in seconds of arc
201120 G96 0.0+ 0.2- 201120 I52 0.2- 0.6- 201120 L01 0.6- 0.2-
201120 G96 0.1- 0.1- 201120 I52 0.4- 0.3- 201120 L01 0.1- 0.1-
201120 G96 0.2+ 0.1- 201120 I52 0.1+ 0.6- 201120 L01 0.1+ 0.7-
201120 G96 0.1+ 0.2- 201120 I52 0.1- 0.6- 201120 595 0.0- 0.5+
201120 H21 0.0+ 0.1- 201120 I52 0.4- 0.5- 201120 203 0.2+ 0.2-
201120 H21 0.1+ 0.1+ 201120 033 0.1- 0.7- 201120 595 0.2- 0.2+
201120 H21 0.1+ 0.2- 201120 033 0.1- 0.5- 201120 203 0.3+ 0.3+
201120 734 0.4- 0.6- 201120 033 0.0+ 0.5- 201121 W34 0.9- 0.1-
201120 858 0.0- 0.1- 201120 033 0.1- 0.5- 201121 W34 0.1- 0.7-
201120 734 0.5- 0.8+ 201120 K61 0.7- 0.3+ 201121 W34 0.3+ 0.4-
201120 734 0.6- 0.9+ 201120 A17 0.2- 0.0+ 201121 I93 0.5+ 0.4-
201120 858 0.1- 0.1- 201120 K61 0.9- 0.1+ 201121 I93 0.6+ 0.5+
201120 734 0.1+ 1.1+ 201120 K61 0.6- 0.1+ 201121 I93 0.1+ 0.1+
201120 858 0.1+ 0.0- 201120 K61 0.8- 0.6+ 201121 I52 0.1+ 0.1-
201120 734 1.8+ 1.0+ 201120 A17 0.4- 0.5- 201121 I52 0.7+ 0.2+
201120 I52 0.2- 0.4- 201120 A17 0.3- 0.2- 201121 I52 0.4+ 0.1+
201120 I52 0.0- 0.2- 201120 L01 0.4+ 0.4+
201120 I52 0.4- 0.1- 201120 L01 0.1+ 0.1-
Ephemeris:
2020 WL2 a,e,i = 2.48, 0.59, 18 q = 1.0273
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 22 03 58 40.0 +07 56 59 0.3389 1.2937 147.4 24.5 21.6
...
2020 11 06 04 18 29.7 +24 43 56 0.2174 1.1937 156.5 19.4 20.3
...
2020 11 14 04 36 22.7 +41 22 43 0.1759 1.1469 151.3 24.4 20.0
...
2020 11 20 05 02 41.1 +57 21 10 0.1613 1.1157 139.5 35.1 20.0
2020 11 21 05 09 35.1 +60 06 58 0.1604 1.1109 137.2 37.2 20.0
2020 11 22 05 17 43.2 +62 51 25 0.1600 1.1061 134.7 39.4 20.1
...
2020 11 28 07 04 06.8 +77 12 14 0.1660 1.0803 120.5 51.9 20.5
...
2020 12 06 12 58 02.8 +77 36 38 0.1917 1.0532 105.6 64.3 21.1
...
2020 12 21 14 54 50.6 +61 16 24 0.2618 1.0280 92.3 73.0 22.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-W98
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