MPEC 2023-K194 : 2021 LU43
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M.P.E.C. 2023-K194 Issued 2023 May 30, 02:37 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
2021 LU43
Additional Observations:
K21L43U 5C2013 04 15.61083418 30 47.76 -21 15 41.9 WEK194T14
K21L43U &C2018 06 16.35612618 55 59.96 -21 05 46.9 WEK194W84
K21L43U &C2018 06 16.36373518 55 59.92 -21 05 46.9 WEK194W84
K21L43U &C2018 06 17.17690618 55 56.07 -21 05 52.1 WEK194W84
K21L43U &C2019 06 06.33734119 02 28.48 -21 00 20.2 WEK194W84
K21L43U &C2019 08 08.06701518 57 31.24 -21 08 12.3 WEK194W84
K21L43U &C2019 10 09.04098318 55 47.95 -21 13 15.0 WEK194W84
K21L43U &C2021 07 17.08861619 10 34.40 -20 55 05.8 WEK194W84
K21L43U &C2022 08 16.14953019 14 00.72 -20 53 40.6 WEK194W84
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observer J. J. Kavelaars.
Measurer S. Deen. 3.58-m Canada-France-Hawaii Telescope + CCD.
W84 Cerro Tololo-DECam. Observers D. Gerdes, L. Markwardt, M. McNanna, A.
Hughes, T. Li, N. Shipp, A. Palmese, J. Esteves, D. James, L. Santana, G.
Stringfellow. Measurer S. Deen. 4.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
130415 T14 3.0+ 0.9+ 220816 W84 0.9+ 0.1+ MPO735706 +467 days
Orbital elements:
2021 LU43
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 68.79773 (2000.0) P Q
n 0.00350964 Peri. 83.09192 -0.78603703 +0.61697942
a 42.8839154 Node 134.99479 -0.58649497 -0.72461903
e 0.0168566 Incl. 3.12079 -0.19537001 -0.30702387
P 281 H 6.57 G 0.15 U 4
Residuals in seconds of arc
130415 T14 0.0 0.1+ 210609 266 0.0 0.0 210705 266 0.0 0.0
180616 W84 0.1+ 0.0 210609 266 0.0 0.0 210705 266 0.0 0.0
180616 W84 0.0 0.1+ 210617 266 0.0 0.0 210705 266 0.0 0.0
180617 W84 0.0 0.1- 210617 266 0.0 0.0 210717 W84 0.1- 0.0
190606 W84 0.0 0.1- 210617 266 0.0 0.0 210906 266 0.0 0.0
190808 W84 0.1- 0.1- 210705 266 0.0 0.0 210906 266 0.0 0.0
191009 W84 0.1+ 0.1- 210705 266 0.0 0.0 210906 266 0.0 0.0
210609 266 0.0 0.0 210705 266 0.0 0.0 220816 W84 0.0 0.1+
Ephemeris:
2021 LU43 a,e,i = 42.88, 0.02, 3 q = 42.1610
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 04 30 19 26 42.1 -20 32 51 42.2999 42.6358 108.8 1.3 23.0
...
2023 05 15 19 26 17.9 -20 33 23 42.0710 42.6365 123.5 1.1 23.0
...
2023 05 23 19 25 57.1 -20 33 59 41.9626 42.6368 131.2 1.0 23.0
...
2023 05 29 19 25 38.2 -20 34 33 41.8894 42.6370 137.1 0.9 23.0
2023 05 30 19 25 34.8 -20 34 39 41.8779 42.6371 138.0 0.9 23.0
2023 05 31 19 25 31.3 -20 34 45 41.8667 42.6371 139.0 0.9 23.0
...
2023 06 06 19 25 09.1 -20 35 27 41.8038 42.6374 144.8 0.8 23.0
...
2023 06 14 19 24 36.3 -20 36 31 41.7333 42.6377 152.6 0.6 22.9
...
2023 06 29 19 23 27.2 -20 38 50 41.6466 42.6383 167.2 0.3 22.9
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-K194
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