[Iaude] MPEC E55: 2021 LB44 [a=42.13,e=0.11,i=2.7,H=8.75]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue Mar 5 12:15:55 EST 2024
M.P.E.C. 2024-E55 Issued 2024 March 5, 17:14 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
2021 LB44
Additional Observations:
K21L44B 3C2020 05 26.44301 19 09 50.710-20 50 50.98 25.4 rVEE055266
K21L44B 3C2020 05 26.50149 19 09 50.502-20 50 51.28 25.4 rVEE055266
K21L44B 3C2020 05 26.55599 19 09 50.307-20 50 51.54 25.4 rVEE055266
K21L44B 3C2020 05 29.44698 19 09 39.951-20 51 06.24 25.2 rVEE055266
K21L44B 3C2020 05 29.53371 19 09 39.625-20 51 06.71 25.2 rVEE055266
K21L44B 3C2020 05 29.61905 19 09 39.303-20 51 07.15 25.2 rVEE055266
K21L44B 3C2022 10 20.21696 19 13 14.764-20 54 00.80 24.5 VVEE055266
K21L44B 3C2022 10 20.26058 19 13 14.844-20 54 00.75 24.5 VVEE055266
K21L44B 3C2022 10 20.29842 19 13 14.914-20 54 00.71 24.5 VVEE055266
K21L44B 3C2022 10 21.20926 19 13 16.699-20 53 59.94 24.2 VVEE055266
K21L44B 3C2022 10 21.25420 19 13 16.786-20 53 59.88 24.2 VVEE055266
K21L44B 3C2022 10 21.29846 19 13 16.872-20 53 59.83 24.2 VVEE055266
K21L44B 3C2022 10 23.20599 19 13 20.874-20 53 57.59 24.4 VVEE055266
K21L44B 3C2022 10 23.25093 19 13 20.969-20 53 57.52 24.4 VVEE055266
K21L44B 3C2022 10 23.29489 19 13 21.063-20 53 57.44 24.4 VVEE055266
Observer details:
266 New Horizons KBO Search-Subaru. Observers J. J. Kavelaars, T. Terai, S.
B. Porter, F. Yoshida, S. Benecchi, A. Verbiscer, T. Ito. Measurers S. B.
Porter, W. E. Fraser, J. J. Kavelaars, L. Peltier. 8.2mn Subaru Telescope
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
200526 266 6.4+ 0.8+ 221023 266 8.2+ 0.6+ MPO735707 -936 days
Orbital elements:
2021 LB44
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Alexandersen
M 106.53417 (2000.0) P Q
n 0.00360434 Peri. 31.41149 -0.99066419 -0.13299505
a 42.1294089 Node 140.91070 +0.11315043 -0.92469427
e 0.1068246 Incl. 2.72221 +0.07603580 -0.35672513
P 273 H 8.75 G 0.15 U 6
Residuals in seconds of arc
200526 266 0.0 0.1+ 210617 266 0.0 0.0 221020 266 0.0 0.1+
200526 266 0.0 0.1+ 210617 266 0.0 0.1- 221020 266 0.0 0.1+
200526 266 0.0 0.1+ 210617 266 0.0 0.1- 221020 266 0.0 0.1+
200529 266 0.0 0.0 210705 266 0.0 0.0 221021 266 0.0 0.0
200529 266 0.0 0.0 210705 266 0.0 0.0 221021 266 0.0 0.0
200529 266 0.0 0.0 210705 266 0.0 0.0 221021 266 0.0 0.0
210609 266 0.0 0.0 210906 266 0.0 0.1- 221023 266 0.1- 0.0
210609 266 0.0 0.0 210906 266 0.0 0.1- 221023 266 0.1- 0.0
210609 266 0.0 0.0 210906 266 0.0 0.1- 221023 266 0.1- 0.0
Ephemeris:
2021 LB44 a,e,i = 42.13, 0.11, 3 q = 37.6289
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 02 04 19 27 36.4 -20 31 26 44.7151 43.8158 23.9 0.5 25.3
...
2024 02 19 19 29 01.5 -20 28 17 44.5863 43.8195 38.7 0.8 25.3
...
2024 02 27 19 29 41.7 -20 26 44 44.4958 43.8216 46.6 0.9 25.3
...
2024 03 04 19 30 09.0 -20 25 39 44.4193 43.8231 52.5 1.0 25.4
2024 03 05 19 30 13.3 -20 25 29 44.4059 43.8233 53.5 1.0 25.4
2024 03 06 19 30 17.5 -20 25 19 44.3924 43.8236 54.5 1.1 25.4
...
2024 03 12 19 30 41.1 -20 24 21 44.3074 43.8251 60.4 1.1 25.4
...
2024 03 20 19 31 07.9 -20 23 12 44.1863 43.8271 68.3 1.2 25.4
...
2024 04 04 19 31 42.5 -20 21 35 43.9424 43.8309 83.0 1.3 25.4
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-E55
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