[Iaude] MPEC V135: 2018 WL2 [a=0.88,e=0.68,i=34.9,H=21.84]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Thu Nov 9 09:19:27 EST 2023
M.P.E.C. 2023-V135 Issued 2023 November 9, 14:18 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
2018 WL2
Revision to MPEC 2018-X17
Additional Observations:
K18W02L C2023 11 07.34101 06 01 37.23 +05 21 12.4 20.6 GVEV135V06
K18W02L C2023 11 07.34335 06 01 37.04 +05 21 13.9 21.1 GVEV135V06
K18W02L KC2023 11 08.40081105 59 47.310+05 35 04.70 21.60GVEV135V06
K18W02L KC2023 11 08.40356805 59 47.010+05 35 07.20 VEV135V06
K18W02L KC2023 11 08.40632505 59 46.650+05 35 09.30 VEV135V06
K18W02L KC2023 11 08.40908305 59 46.340+05 35 11.40 21.73GVEV135V06
Observer details:
V06 Catalina Sky Survey-Kuiper. Observer H. Groeller. Measurers B. Gray, D.
Rankin, F. C. Shelly, E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A.
R. Gibbs, A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M.
Larson, G. J. Leonard, R. L. Seaman, K. W. Wierzchos. 1.55-m reflector +
CCD, 1.55-m reflector + 1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231107 V06 0.12+ 0.07+ 231108 V06 0.12+ 0.07+ MPO467258 +0.09 days
Orbital elements:
2018 WL2 Earth MOID = 0.0830 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 187.16458 (2000.0) P Q
n 1.18638821 Peri. 149.25956 -0.74023536 +0.42595761
a 0.8837271 Node 65.26020 -0.67177049 -0.50062101
e 0.6767090 Incl. 34.94390 +0.02785704 -0.75361709
P 0.83 H 21.84 G 0.15 U 1
Residuals in seconds of arc
181102 F52 0.2- 0.1+ 181128 L01 0.6- 0.2+ 181204 I52 0.0 0.3-
181102 F52 0.2+ 0.0 181128 C95 0.9+ 0.3+ 181209 I52 0.3+ 0.0
181110 F52 0.0 0.0 181128 C95 0.8+ 1.1+ 181209 I52 0.3+ 0.6-
181110 F52 0.2- 0.1- 181129 I52 0.4- 0.8+ 181209 I52 0.1- 0.5-
181110 F52 0.1- 0.0 181129 I52 0.1+ 0.6- 181209 I52 0.2- 0.4+
181110 F52 0.0 0.1- 181129 I52 0.5+ 0.4- 231107 V06 0.2+ 0.2+
181128 T05 0.1- 0.1+ 181129 I52 0.2+ 0.1- 231107 V06 1.0+ 0.1-
181128 T05 0.1- 0.6- 181130 K88 0.2- 0.4+ 231108 V06 0.2- 0.2-
181128 T05 0.4- 0.0 181130 K88 0.0 0.4+ 231108 V06 0.1+ 0.0
181128 T05 0.2+ 0.9- 181130 K88 0.4- 0.3+ 231108 V06 0.4- 0.1-
181128 L01 0.4+ 1.0+ 181204 I52 0.1- 0.3+ 231108 V06 0.2- 0.3-
181128 L01 0.1+ 0.4+ 181204 I52 0.1- 0.1-
181128 L01 0.4- 0.4+ 181204 I52 0.1- 0.7-
Ephemeris:
2018 WL2 a,e,i = 0.88, 0.68, 35 q = 0.2857
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 10 10 06 08 02.6 +03 17 14 0.8238 1.4316 103.1 42.8 23.9
...
2023 10 25 06 11 51.9 +03 44 17 0.6074 1.3746 116.1 40.5 23.0
...
2023 11 02 06 08 05.7 +04 28 18 0.4925 1.3349 124.5 37.8 22.4
...
2023 11 08 06 00 30.1 +05 29 50 0.4083 1.3006 132.1 34.4 21.9
2023 11 09 05 58 39.6 +05 43 41 0.3945 1.2946 133.6 33.7 21.8
2023 11 10 05 56 36.9 +05 58 50 0.3808 1.2884 135.0 32.9 21.7
...
2023 11 16 05 38 44.9 +08 05 18 0.3013 1.2488 145.3 26.8 20.9
...
2023 11 24 04 48 43.5 +13 29 23 0.2074 1.1894 165.6 11.9 19.5
...
2023 12 09 00 11 28.7 +26 09 12 0.1478 1.0561 115.0 57.7 19.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-V135
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