[Iaude] MPEC U89: 2020 KG54 [a=78.05,e=0.59,i=22.5,H=10.83]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Oct 18 14:28:02 EDT 2023
M.P.E.C. 2023-U89 Issued 2023 October 18, 18:26 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
2020 KG54
Additional Observations:
K20K54G S2021 07 24.79480719 15 13.633-20 24 54.17 WEU089250
K20K54G s2021 07 24.7948071 - 4131.7212 - 4827.7096 + 2711.8244 EU089250
K20K54G S2021 07 24.80095319 15 13.587-20 24 54.36 WEU089250
K20K54G s2021 07 24.8009531 - 392.4713 - 6060.2789 + 3290.9032 EU089250
K20K54G S2021 07 24.80709819 15 13.539-20 24 54.48 WEU089250
K20K54G s2021 07 24.8070981 + 3476.2447 - 5284.6896 + 2776.5760 EU089250
K20K54G S2021 07 24.81324419 15 13.494-20 24 54.51 WEU089250
K20K54G s2021 07 24.8132441 + 6193.4551 - 2757.5930 + 1339.5090 EU089250
K20K54G S2021 07 24.81939019 15 13.452-20 24 54.53 WEU089250
K20K54G s2021 07 24.8193901 + 6858.6144 + 683.3128 - 542.6576 EU089250
K20K54G S2021 07 27.50949419 14 57.885-20 25 51.31 WEU089250
K20K54G s2021 07 27.5094941 - 3346.7677 - 5106.4972 + 3232.0045 EU089250
K20K54G S2021 07 27.51564019 14 57.839-20 25 51.47 WEU089250
K20K54G s2021 07 27.5156401 + 481.1630 - 6178.9999 + 3050.4894 EU089250
K20K54G S2021 07 27.52178619 14 57.792-20 25 51.55 WEU089250
K20K54G s2021 07 27.5217861 + 4149.5554 - 5203.6802 + 1855.2847 EU089250
K20K54G S2021 07 27.52793219 14 57.746-20 25 51.58 WEU089250
K20K54G s2021 07 27.5279321 + 6442.6246 - 2503.5959 + 43.4730 EU089250
K20K54G S2021 07 27.53407819 14 57.707-20 25 51.59 WEU089250
K20K54G s2021 07 27.5340781 + 6601.8597 + 1025.9454 - 1782.9182 EU089250
Observer details:
250 Hubble Space Telescope. Observer S. B. Porter. Measurer S. Deen.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
210724 250 29.8- 4.7- 210727 250 29.8- 4.7- MPO735620 -83.3 days
Orbital elements:
2020 KG54
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Alexandersen
M 3.75019 (2000.0) P Q
n 0.00142949 Peri. 162.77938 +0.11210509 +0.92879965
a 78.0455279 Node 112.46087 -0.95077876 +0.20359503
e 0.5871417 Incl. 22.47086 -0.28888095 -0.30964541
P 689 H 10.83 G 0.15 U 8
Residuals in seconds of arc
200531 266 0.0 0.0 200812 266 0.0 0.0 210724 250 0.0 0.0
200531 266 0.0 0.0 200812 266 0.0 0.0 210724 250 0.0 0.0
200531 266 0.0 0.0 200812 266 0.0 0.0 210727 250 0.0 0.0
200621 266 0.0 0.1+ 200814 266 0.0 0.0 210727 250 0.0 0.0
200621 266 0.0 0.0 200814 266 0.0 0.0 210727 250 0.0 0.0
200621 266 0.0 0.1+ 200814 266 0.0 0.0 210727 250 0.0 0.0
200624 266 0.0 0.0 210724 250 0.0 0.0 210727 250 0.0 0.0
200624 266 0.0 0.0 210724 250 0.0 0.0
200624 266 0.0 0.0 210724 250 0.0 0.0
Ephemeris:
2020 KG54 a,e,i = 78.05, 0.59, 22 q = 32.2217
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 18 19 32 05.6 -21 54 55 32.3269 32.7918 116.8 1.6 26.2
...
2023 10 03 19 31 53.9 -21 57 34 32.5752 32.7982 102.0 1.7 26.2
...
2023 10 11 19 31 59.5 -21 58 32 32.7143 32.8017 94.1 1.7 26.2
...
2023 10 17 19 32 09.2 -21 59 03 32.8197 32.8042 88.2 1.7 26.2
2023 10 18 19 32 11.3 -21 59 07 32.8372 32.8047 87.3 1.7 26.2
2023 10 19 19 32 13.5 -21 59 11 32.8548 32.8051 86.3 1.7 26.2
...
2023 10 25 19 32 29.5 -21 59 27 32.9595 32.8077 80.4 1.7 26.2
...
2023 11 02 19 32 57.9 -21 59 33 33.0961 32.8112 72.5 1.7 26.2
...
2023 11 17 19 34 11.9 -21 58 57 33.3354 32.8177 57.7 1.5 26.2
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-U89
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