MPEC 2023-F79 : 2016 WJ8
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M.P.E.C. 2023-F79 Issued 2023 March 21, 01:22 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2016 WJ8
Revision to MPEC 2016-W108
Additional Observations:
K16W08J KC2021 12 12.20104905 04 33.20 +22 05 46.1 22.25GVEF079V06
K16W08J KC2021 12 12.20502005 04 32.90 +22 05 44.9 VEF079V06
K16W08J KC2021 12 12.20899205 04 32.55 +22 05 42.5 VEF079V06
K16W08J KC2021 12 12.21296305 04 32.28 +22 05 42.2 VEF079V06
K16W08J KC2021 12 13.27952805 03 12.62 +21 59 19.1 22.71GVEF079V06
K16W08J KC2021 12 13.28350205 03 12.31 +21 59 18.0 22.73GVEF079V06
K16W08J KC2021 12 13.28747205 03 11.99 +21 59 16.1 22.34GVEF079V06
K16W08J KC2021 12 13.29144105 03 11.65 +21 59 15.1 21.88GVEF079V06
Observer details:
V06 Catalina Sky Survey-Kuiper. 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, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector + 1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
211212 V06 75.8- 20.9- 211213 V06 77.1- 20.8- MPO640872 -0.10 days
Orbital elements:
2016 WJ8 Earth MOID = 0.0529 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 162.84807 (2000.0) P Q
n 0.22143434 Peri. 43.10298 +0.45222510 +0.81606320
a 2.7058646 Node 256.85336 -0.88527348 +0.36158329
e 0.6419887 Incl. 21.69058 -0.10855104 +0.45088620
P 4.45 H 18.20 G 0.15 U 2
Residuals in seconds of arc
160720 W84 0.1- 0.2+ 161127 J95 0.8- 0.1+ 161206 I52 0.6- 0.6+
160720 W84 0.1- 0.3+ 161127 J95 0.8- 0.7- 161218 I52 0.6- 0.4-
161124 F51 0.6+ 0.0 161127 033 0.4+ 0.1+ 161218 I52 0.3- 0.8+
161124 F51 0.1+ 0.2- 161127 033 0.3+ 0.2+ 161218 I52 0.1- 0.3+
161124 F51 0.5+ 0.1+ 161127 033 0.2+ 0.2+ 161218 I52 0.0 0.3+
161125 926 0.2+ 0.1+ 161127 033 0.1+ 0.1+ 161225 F51 0.1+ 0.0
161125 926 0.2+ 0.1+ 161129 T12 0.0 0.1+ 161225 F51 0.2- 0.0
161125 926 0.1- 0.1- 161129 T12 0.0 0.0 161225 F51 0.2- 0.0
161125 691 0.5- 0.4+ 161129 T12 0.0 0.0 161225 F51 0.2- 0.2-
161125 691 0.6- 0.0 161129 J95 0.3+ 0.5- 170108 695 0.2+ 0.1-
161125 691 0.8+ 0.2+ 161129 J95 0.1+ 0.1+ 170108 695 0.2+ 0.2-
161125 J95 0.1+ 0.5+ 161201 I52 0.1- 0.3+ 170108 695 0.0 0.2+
161125 J95 0.9+ 0.1+ 161201 I52 0.2- 0.2+ 170130 291 0.5+ 0.1-
161126 691 0.8- 0.3+ 161201 I52 0.1- 0.2+ 170130 291 1.8+ 0.5+
161126 691 0.2+ 0.4- 161201 I52 0.3+ 0.0 170130 291 0.7+ 0.8-
161126 691 1.4+ 0.7- 161203 J95 0.6- 0.5+ 211212 V06 0.4+ 0.1+
161126 I52 0.8- 0.1+ 161203 J95 0.6- 0.7+ 211212 V06 0.5+ 0.3+
161126 I52 0.3+ 0.1- 161203 J95 0.5- 0.2- 211212 V06 0.2- 0.7-
161126 I52 0.2- 0.4- 161205 691 1.9+ 0.7- 211212 V06 0.3+ 0.4+
161126 I52 0.1- 0.1+ 161205 691 1.1+ 1.0- 211213 V06 0.1+ 0.0
161127 033 0.1+ 0.0 161205 691 0.3+ 0.7- 211213 V06 0.0 0.2+
161127 033 0.9- 0.0 161206 I52 0.6+ 0.3+ 211213 V06 0.2- 0.2-
161127 033 0.6- 0.1+ 161206 I52 0.3- 0.6- 211213 V06 0.8- 0.2+
Ephemeris:
2016 WJ8 a,e,i = 2.71, 0.64, 22 q = 0.9687
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 19 06 50 27.4 +07 10 41 3.6942 4.4094 131.3 9.7 24.9
...
2023 03 06 06 45 38.8 +07 45 08 3.8964 4.4204 115.9 11.6 25.1
...
2023 03 14 06 44 40.0 +08 03 17 4.0165 4.4254 108.0 12.3 25.2
...
2023 03 20 06 44 37.7 +08 16 18 4.1100 4.4287 102.2 12.7 25.3
2023 03 21 06 44 40.7 +08 18 24 4.1258 4.4292 101.3 12.7 25.3
2023 03 22 06 44 44.7 +08 20 29 4.1417 4.4297 100.3 12.8 25.3
...
2023 03 28 06 45 28.2 +08 32 25 4.2374 4.4326 94.7 13.0 25.3
...
2023 04 05 06 47 15.3 +08 46 41 4.3657 4.4359 87.5 13.0 25.4
...
2023 04 20 06 52 50.8 +09 07 13 4.6011 4.4403 74.5 12.6 25.5
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-F79
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