[Iaude] MPEC E57: 2021 LS44 [a=43.19,e=0.01,i=2.2,H=8.47]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue Mar 5 12:19:46 EST 2024
M.P.E.C. 2024-E57 Issued 2024 March 5, 17:18 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
2021 LS44
Additional Observations:
K21L44S 3C2022 06 29.45229 19 15 48.124-21 09 32.58 24.6 rVEE057266
K21L44S 3C2022 06 29.51531 19 15 47.816-21 09 33.14 24.6 rVEE057266
K21L44S 3C2022 06 29.57696 19 15 47.515-21 09 33.67 24.6 rVEE057266
K21L44S 3C2022 06 30.45132 19 15 43.330-21 09 41.59 24.9 rVEE057266
K21L44S 3C2022 06 30.51472 19 15 43.019-21 09 42.15 24.9 rVEE057266
K21L44S 3C2022 06 30.57688 19 15 42.715-21 09 42.70 24.9 rVEE057266
K21L44S 3C2022 10 20.21696 19 10 58.885-21 20 35.99 24.1 VVEE057266
K21L44S 3C2022 10 20.26058 19 10 58.968-21 20 35.91 24.1 VVEE057266
K21L44S 3C2022 10 20.29842 19 10 59.040-21 20 35.85 24.1 VVEE057266
K21L44S 3C2022 10 23.20599 19 11 05.182-21 20 30.88 23.9 VVEE057266
K21L44S 3C2022 10 23.25093 19 11 05.281-21 20 30.78 23.9 VVEE057266
K21L44S 3C2022 10 23.29489 19 11 05.377-21 20 30.68 23.9 VVEE057266
Observer details:
266 New Horizons KBO Search-Subaru. Observers A. Verbiscer, F. Yoshida, T.
Ito, S. Benecchi. 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 (or two decimals in degrees), reference and Delta-T
220629 266 0.05- 0.01- 221023 266 0.06- 0.01- MPO735709 -36293 days
Orbital elements:
2021 LS44
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Alexandersen
M 187.12833 (2000.0) P Q
n 0.00347188 Peri. 324.84155 -0.21878702 -0.97543832
a 43.1942512 Node 137.77983 +0.90373458 -0.21243570
e 0.0149171 Incl. 2.17821 +0.36796203 -0.05823360
P 284 H 8.47 G 0.15 U 6
Residuals in seconds of arc
210609 266 0.0 0.0 210906 266 0.0 0.0 220630 266 0.1+ 0.1-
210609 266 0.0 0.0 210906 266 0.0 0.0 221020 266 0.0 0.0
210609 266 0.0 0.0 220629 266 0.1- 0.0 221020 266 0.0 0.0
210617 266 0.0 0.0 220629 266 0.1- 0.0 221020 266 0.0 0.0
210617 266 0.0 0.0 220629 266 0.1- 0.0 221023 266 0.0 0.0
210617 266 0.0 0.0 220630 266 0.1+ 0.1- 221023 266 0.0 0.0
210906 266 0.0 0.0 220630 266 0.1+ 0.1- 221023 266 0.0 0.0
Ephemeris:
2021 LS44 a,e,i = 43.19, 0.01, 2 q = 42.5499
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 02 04 19 25 29.9 -20 57 31 44.7295 43.8340 24.4 0.5 25.0
...
2024 02 19 19 26 55.2 -20 54 29 44.5947 43.8339 39.3 0.8 25.1
...
2024 02 27 19 27 35.4 -20 53 01 44.5011 43.8339 47.2 0.9 25.1
...
2024 03 04 19 28 02.6 -20 51 59 44.4225 43.8339 53.1 1.0 25.1
2024 03 05 19 28 06.9 -20 51 49 44.4087 43.8339 54.1 1.0 25.1
2024 03 06 19 28 11.1 -20 51 40 44.3948 43.8339 55.0 1.1 25.1
...
2024 03 12 19 28 34.6 -20 50 45 44.3078 43.8338 60.9 1.1 25.1
...
2024 03 20 19 29 01.3 -20 49 41 44.1840 43.8338 68.8 1.2 25.1
...
2024 04 04 19 29 35.6 -20 48 13 43.9355 43.8337 83.5 1.3 25.1
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-E57
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