[Iaude] MPEC L137: 2020 WB3 [a=2.47,e=0.61,i=20.5,H=20.27]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Fri Jun 14 10:14:12 EDT 2024
M.P.E.C. 2024-L137 Issued 2024 June 14, 14:12 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 WB3
Revision to MPEC 2020-W116
Additional Observations:
K20W03B 0C2024 06 11.61197523 37 30.879-32 37 55.50 22.64GVEL137T14
K20W03B 0C2024 06 11.61364623 37 31.149-32 37 54.54 22.65GVEL137T14
K20W03B 0C2024 06 12.61399823 40 18.829-32 28 33.43 22.88GVEL137T14
K20W03B 0C2024 06 12.61543923 40 19.069-32 28 32.68 22.76GVEL137T14
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observer A. Acohido. Measurer
D. J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240611 T14 0.04- 0.04- 240612 T14 0.04- 0.04- MPO600179 +0.06 days
Orbital elements:
2020 WB3 PHA, Earth MOID = 0.0002 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 314.34067 (2000.0) P Q
n 0.25342257 Peri. 29.12340 +0.82216536 -0.56811193
a 2.4730858 Node 5.89179 +0.43048727 +0.57918073
e 0.6145633 Incl. 20.50530 +0.37245782 +0.58463537
P 3.89 H 20.27 G 0.15 U 0
Residuals in seconds of arc
201121 G96 0.2+ 0.2- 201122 I52 0.7- 0.7- 201126 I52 0.3- 0.0
201121 G96 0.1+ 0.0 201122 I52 0.1- 0.0 201126 291 0.2+ 0.3-
201121 G96 0.0 0.3+ 201122 I93 0.0 0.4+ 201126 I52 0.0 0.0
201121 G96 0.1- 0.0 201122 I93 0.1+ 0.4+ 201126 291 0.1- 0.2-
201121 I52 0.2- 0.4+ 201122 I93 0.2- 0.4+ 201127 I52 0.2- 0.0
201121 I52 0.4- 0.1+ 201123 H36 0.0 0.2- 201127 I52 0.1- 0.0
201121 I52 0.4+ 0.6+ 201123 H36 0.0 0.8+ 201127 I52 0.3+ 0.2-
201121 I52 0.9+ 0.0 201123 H36 0.1- 0.2+ 201128 I52 0.7+ 0.0
201121 I52 0.1- 0.1- 201123 734 0.4+ 0.6- 201128 I52 0.0 0.3+
201121 I52 0.3+ 0.1- 201123 734 0.1- 0.9- 201128 I52 0.2+ 0.2+
201121 033 0.8- 0.7+ 201123 734 0.1+ 0.2- 201129 I52 0.2+ 0.0
201121 033 0.8- 0.3+ 201123 I52 0.1+ 0.0 201129 I52 0.2- 0.1-
201121 033 0.1- 0.4+ 201123 I52 (0.2+ 2.6-) 201129 I52 0.2+ 0.1+
201121 033 0.3- 0.5+ 201123 I52 (0.1+ 2.3-) 201129 I52 0.3- 0.0
201121 587 0.1- 0.4- 201123 I52 0.1+ 0.0 201202 I52 0.3+ 0.0
201121 587 0.0 0.7- 201124 V37 0.1+ 0.0 201202 I52 0.1+ 0.2-
201121 587 0.5- 0.6- 201124 V37 0.0 0.1+ 201202 I52 0.1- 0.2-
201121 L01 0.2+ 0.2+ 201124 291 0.2- 0.2+ 201202 I52 0.3- 0.1+
201121 L01 0.6- 0.1- 201124 291 0.0 0.1- 201204 I52 0.3- 0.3+
201121 L01 0.2- 0.0 201125 I52 0.4+ 0.2+ 201204 I52 0.0 0.0
201121 L01 0.0 0.2- 201125 I52 0.3- 0.3+ 201204 I52 0.1- 0.1+
201121 033 0.2- 0.8+ 201125 291 0.4- 0.1+ 210205 I52 0.2- 0.1+
201121 033 0.1+ 0.6+ 201125 I52 0.1- 0.4- 210205 I52 0.2+ 0.1-
201121 L01 0.2+ 0.6- 201125 I52 0.2- 0.1+ 240611 T14 0.0 0.0
201121 204 0.2+ 0.4+ 201125 291 0.1+ 0.1+ 240611 T14 0.0 0.0
201121 204 0.3+ 0.0 201125 291 0.3- 0.1- 240612 T14 0.0 0.0
201122 I52 0.2- 0.3- 201126 I52 0.1- 0.0 240612 T14 0.0 0.0
Ephemeris:
2020 WB3 a,e,i = 2.47, 0.61, 21 q = 0.9532
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 05 15 22 24 46.7 -35 49 38 1.5711 1.8686 90.0 32.7 24.0
...
2024 05 30 23 03 20.1 -34 19 00 1.3301 1.7446 95.3 35.4 23.5
...
2024 06 07 23 24 47.7 -33 18 11 1.2079 1.6773 97.6 36.9 23.3
...
2024 06 13 23 41 23.3 -32 24 48 1.1197 1.6265 99.1 38.1 23.1
2024 06 14 23 44 12.1 -32 15 07 1.1053 1.6180 99.4 38.3 23.1
2024 06 15 23 47 01.8 -32 05 12 1.0909 1.6095 99.6 38.5 23.0
...
2024 06 21 00 04 19.7 -30 59 53 1.0069 1.5585 100.8 39.8 22.8
...
2024 06 29 00 28 24.8 -29 14 04 0.9001 1.4903 101.9 41.9 22.5
...
2024 07 14 01 17 36.0 -24 30 45 0.7177 1.3637 102.3 46.7 22.0
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-L137
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