MPEC 2023-D75 : 2020 FS1
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M.P.E.C. 2023-D75 Issued 2023 February 28, 14:04 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
2020 FS1
Revision to MPEC 2020-F53
Additional Observations:
K20F01S KC2023 02 25.63089215 40 14.87 -05 26 04.1 21.9 GVED075474
K20F01S KC2023 02 25.63792815 40 14.34 -05 26 05.6 21.5 GVED075474
K20F01S KC2023 02 25.64496615 40 13.70 -05 26 08.1 21.9 GVED075474
K20F01S KC2023 02 26.61645015 38 55.87 -05 30 14.0 21.6 GVED075474
K20F01S KC2023 02 26.62700515 38 54.98 -05 30 16.2 21.8 GVED075474
K20F01S KC2023 02 26.64813415 38 53.09 -05 30 22.0 21.8 GVED075474
K20F01S KC2023 02 26.65694615 38 52.35 -05 30 24.2 21.7 GVED075474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
230225 474 1.4- 52.4- 230226 474 0.8- 52.6- E2020-HM9 +0.02 days
Orbital elements:
2020 FS1 Earth MOID = 0.1440 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 51.99171 (2000.0) P Q
n 0.67484636 Peri. 34.80662 +0.43880738 -0.89338150
a 1.2872595 Node 29.51263 +0.77352928 +0.32088892
e 0.5261818 Incl. 11.30018 +0.45727512 +0.31448336
P 1.46 H 21.12 G 0.15 U 1
Residuals in seconds of arc
200317 G96 0.1- 0.2- 200317 K63 0.6- 0.3+ 200318 C77 0.0 0.4+
200317 G96 0.0 0.4+ 200317 K63 0.3- 0.0 200318 A44 0.1+ 0.6-
200317 G96 0.4- 0.1- 200317 K63 0.5- 0.2+ 200318 A44 0.1- 0.3-
200317 G96 0.1+ 0.0 200317 K87 0.7- 0.6- 200319 246 1.0- 0.4+
200317 I52 0.0 0.1- 200317 204 0.1+ 0.1- 200319 246 0.7+ 0.0
200317 I52 0.2+ 0.0 200317 K87 0.3- 0.2+ 200319 246 0.4- 0.4+
200317 I52 0.3+ 0.1- 200317 204 0.0 0.0 200319 246 0.9- 1.1+
200317 I52 0.1- 0.3- 200318 204 0.1+ 0.1+ 200319 246 0.3- 0.5+
200317 I52 0.3+ 0.1+ 200318 I93 0.3- 0.3+ 200323 F52 0.0 0.1+
200317 I52 0.2- 0.0 200318 K87 0.0 0.9+ 200323 F52 0.1+ 0.3-
200317 I52 0.1- 0.1+ 200318 I93 0.0 0.0 200323 F52 0.0 0.0
200317 I52 0.1+ 0.3+ 200318 I93 0.4+ 0.5+ 200324 I52 0.0 0.1+
200317 I52 0.2- 0.1- 200318 K38 0.2- 0.4+ 200324 I52 0.0 0.2+
200317 I52 0.1- 0.4- 200318 K38 0.4+ 0.4+ 200324 I52 0.1+ 0.4+
200317 I52 0.2+ 0.6+ 200318 K38 0.2+ 0.4- 200324 I52 0.0 0.7+
200317 L04 0.2- 0.1- 200318 I52 0.1- 0.0 200325 K87 0.7- 0.4+
200317 L04 0.5+ 0.1- 200318 I52 0.0 0.3+ 200325 K87 0.1- 0.3+
200317 L04 0.5+ 0.1+ 200318 I52 0.3- 0.5- 200325 K87 0.2+ 0.1-
200317 L04 0.0 0.0 200318 I52 0.0 0.2- 200326 H21 0.1+ 0.4-
200317 113 0.2+ 0.0 200318 033 0.3- 0.6- 200326 H21 0.1- 0.2+
200317 033 0.2- 0.4- 200318 033 0.3- 0.1- 200326 H21 0.2- 0.0
200317 033 0.1- 0.2- 200318 033 0.3- 0.3- 200326 H21 0.1- 0.2+
200317 033 0.2- 0.3- 200318 033 0.2- 0.0 200326 H21 0.0 0.1+
200317 113 0.3- 0.2+ 200318 G96 0.1- 0.0 200326 H21 0.2+ 0.1+
200317 113 0.3- 0.2+ 200318 G96 0.1+ 0.0 200326 H21 0.2+ 0.1-
200317 113 0.0 0.1+ 200318 G96 0.1- 0.0 200326 H21 0.1+ 0.2-
200317 113 0.0 0.6- 200318 G96 0.2- 0.1- 200326 H21 0.1+ 0.3-
200317 L01 0.1- 0.0 200318 033 0.3- 0.5- 200402 I52 0.0 0.1+
200317 L01 0.1- 0.1- 200318 033 0.3- 0.5- 200402 I52 0.3+ 0.4-
200317 K61 0.1- 0.3- 200318 033 0.3- 0.5- 200402 I52 0.0 0.1+
200317 K61 0.2- 0.1+ 200318 246 0.2- 0.5- 200402 I52 0.0 0.0
200317 L01 0.2- 0.0 200318 246 0.4- 0.8+ 200410 I52 0.2- 0.0
200317 K61 0.1- 0.6- 200318 246 0.2- 0.2- 200410 I52 0.2- 0.2-
200317 K61 0.3- 0.6- 200318 246 0.2- 0.1+ 200410 I52 0.2- 0.3+
200317 K61 0.2+ 0.6- 200318 246 0.2- 0.6- 200421 F51 (0.6- 0.1-)
200317 160 0.4- 0.7- 200318 246 0.1- 0.6- 200421 F51 0.1- 0.0
200317 160 0.2- 1.0+ 200318 K61 0.3- 0.6- 200421 F51 0.0 0.1+
200317 160 0.1- 0.6- 200318 K61 0.3- 0.8- 200427 H21 0.3- 0.6-
200317 160 0.1+ 0.3- 200318 K61 0.5- 0.2+ 200427 H21 0.2+ 0.3-
200317 160 0.7- 0.2- 200318 K61 0.2- 0.5- 200427 H21 0.2- 0.4-
200317 033 0.2- 0.4- 200318 K61 0.4- 0.7- 230225 474 0.4+ 0.0
200317 033 0.2- 0.2- 200318 C47 0.1+ 0.1+ 230225 474 (1.1+ 0.4+)
200317 033 0.2- 0.2- 200318 C47 0.2+ 0.2+ 230225 474 0.2+ 0.3-
200317 203 0.1+ 0.2- 200318 C47 0.3+ 0.4+ 230226 474 0.3+ 0.1-
200317 203 0.1+ 0.0 200318 C47 0.3+ 0.4+ 230226 474 0.6+ 0.4+
200317 203 0.0 0.2- 200318 C77 0.2+ 0.3+ 230226 474 0.3- 0.0
200317 130 0.3+ 0.1- 200318 C77 0.2- 0.2+ 230226 474 0.0 0.0
200317 130 0.7+ 0.6- 200318 A44 0.0 0.1-
Ephemeris:
2020 FS1 a,e,i = 1.29, 0.53, 11 q = 0.6099
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 01 29 16 00 15.4 -02 39 55 0.4936 0.9469 71.0 79.5 22.2
...
2023 02 13 15 52 15.1 -04 20 26 0.5063 1.0855 87.0 65.3 22.1
...
2023 02 21 15 45 36.8 -05 04 45 0.5018 1.1565 96.2 58.2 22.0
...
2023 02 27 15 38 23.5 -05 32 00 0.4952 1.2080 103.8 52.8 21.9
2023 02 28 15 36 57.7 -05 36 01 0.4940 1.2164 105.1 51.8 21.9
2023 03 01 15 35 27.9 -05 39 53 0.4927 1.2248 106.4 50.9 21.9
...
2023 03 07 15 24 56.8 -05 59 42 0.4851 1.2740 114.8 45.0 21.8
...
2023 03 15 15 06 37.1 -06 16 33 0.4771 1.3369 127.0 36.4 21.6
...
2023 03 30 14 20 41.3 -06 17 04 0.4843 1.4461 152.8 18.4 21.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-D75
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