MPEC 2023-C117 : 2021 LN43
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M.P.E.C. 2023-C117 Issued 2023 February 13, 16:58 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 LN43
Observations:
K21L43N*.C2021 06 06.13503 14 51 32.011-09 48 53.97 23.0 rVEC117807
K21L43N .C2021 06 07.05739 14 51 29.239-09 48 44.38 23.1 rVEC117807
K21L43N .C2022 04 08.22427 14 57 55.213-10 13 59.62 23.0 rVEC117304
K21L43N .C2022 04 08.26319 14 57 55.105-10 13 58.97 23.0 rVEC117304
K21L43N .C2022 04 09.16947 14 57 52.304-10 13 42.88 22.8 rVEC117304
K21L43N .C2022 04 29.28987 14 56 44.455-10 07 48.20 22.7 rVEC117304
K21L43N .C2022 04 29.35958 14 56 44.207-10 07 47.03 23.0 rVEC117304
K21L43N .C2022 04 30.30895 14 56 40.823-10 07 30.64 22.8 rVEC117304
Observer details:
304 Las Campanas Observatory. Observer S. S. Sheppard. 6.5-m Magellan-Baade
telescope + CCD.
807 Cerro Tololo Observatory, La Serena. Observers S. S. Sheppard, C.
Trujillo. Measurer S. S. Sheppard. 4.0-m CTIO reflector + CCD.
Orbital elements:
2021 LN43
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 178.72122 (2000.0) P Q
n 0.00306852 Peri. 235.58022 +0.68901215 -0.72442499
a 46.9011180 Node 170.77159 +0.70140548 +0.65898374
e 0.2106496 Incl. 7.77495 +0.18246260 +0.20235827
P 321 H 5.57 G 0.15 U 9
Residuals in seconds of arc
210606 807 0.0 0.0 220408 304 0.1+ 0.0 220429 304 0.0 0.0
210607 807 0.0 0.0 220409 304 0.1+ 0.1+ 220430 304 0.0 0.0
220408 304 0.1- 0.0 220429 304 0.0 0.0
Ephemeris:
2021 LN43 a,e,i = 46.90, 0.21, 8 q = 37.0214
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 01 14 15 01 49.5 -10 37 01 57.1515 56.7788 67.3 0.9 23.3
...
2023 01 29 15 02 15.2 -10 36 59 56.9017 56.7789 82.3 1.0 23.3
...
2023 02 06 15 02 22.6 -10 36 28 56.7638 56.7790 90.4 1.0 23.3
...
2023 02 12 15 02 25.1 -10 35 51 56.6603 56.7790 96.4 1.0 23.3
2023 02 13 15 02 25.2 -10 35 44 56.6431 56.7790 97.4 1.0 23.3
2023 02 14 15 02 25.3 -10 35 37 56.6260 56.7791 98.4 1.0 23.3
...
2023 02 20 15 02 24.4 -10 34 46 56.5243 56.7791 104.5 1.0 23.3
...
2023 02 28 15 02 19.2 -10 33 23 56.3932 56.7792 112.5 0.9 23.2
...
2023 03 15 15 01 58.1 -10 30 07 56.1691 56.7793 127.5 0.8 23.2
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-C117
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