MPEC 2023-S242 : 2020 FF6
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M.P.E.C. 2023-S242 Issued 2023 September 27, 14:08 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 FF6
Revision to MPEC 2020-F170
Additional Observations:
K20F06F 0C2023 09 10.62328904 46 27.646+16 00 00.50 23.44GVES242T14
K20F06F 0C2023 09 11.60465704 48 50.250+16 02 41.20 23.81GVES242T12
Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
T14 Canada-France-Hawaii Telescope, Maunakea. Observer L. Wells. Measurer D.
J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230910 T14 0.31+ 0.07+ 230911 T12 0.32+ 0.07+ E2023-P27 -0.00 days
Orbital elements:
2020 FF6 Earth MOID = 0.1069 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 332.08521 (2000.0) P Q
n 0.24383010 Peri. 22.57831 -0.59508420 -0.79888757
a 2.5375299 Node 104.04860 +0.72288914 -0.57965625
e 0.5714842 Incl. 5.17404 +0.35114967 -0.16055309
P 4.04 H 20.65 G 0.15 U 2
Residuals in seconds of arc
200323 F51 0.1+ 0.0 200324 568 0.0 0.0 200415 H21 0.3- 0.1+
200323 F51 0.0 0.1- 200324 T12 0.1- 0.0 200416 H21 0.1- 0.0
200323 F51 0.0 0.1- 200324 T12 0.0 0.0 200416 H21 0.2- 0.3+
200323 F51 0.2- 0.2+ 200327 033 0.3+ 0.5+ 200416 H21 0.5+ 0.8+
200323 F51 0.2+ 0.1+ 200327 033 0.5- 0.4- 200420 F52 0.1- 0.3-
200323 F51 0.2+ 0.0 200327 033 0.9- 0.2- 200420 F52 0.2+ 0.1-
200324 033 0.6- 0.4+ 200402 H21 0.1- 0.0 200420 F52 0.1- 0.4+
200324 033 0.2- 0.2+ 200402 H21 0.1- 0.0 200422 F51 0.0 0.2+
200324 033 0.3- 0.2- 200402 H21 0.2- 0.1+ 200422 F51 0.0 0.1-
200324 568 0.0 0.0 200415 H21 0.3- 0.2+ 200422 F51 0.2+ 0.2-
200324 568 0.0 0.0 200415 H21 0.6- 0.0 230910 T14 0.0 0.0
200324 T12 0.0 0.0 200415 H21 0.4- 0.1- 230911 T12 0.0 0.0
Ephemeris:
2020 FF6 a,e,i = 2.54, 0.57, 5 q = 1.0874
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 28 04 14 56.1 +15 12 43 1.5189 1.8178 89.6 33.8 24.3
...
2023 09 12 04 49 47.7 +16 03 45 1.2819 1.7052 95.6 36.0 23.8
...
2023 09 20 05 09 49.3 +16 21 11 1.1625 1.6451 98.5 37.1 23.6
...
2023 09 26 05 25 38.6 +16 29 16 1.0768 1.6002 100.6 38.0 23.4
2023 09 27 05 28 21.3 +16 30 10 1.0628 1.5927 100.9 38.2 23.3
2023 09 28 05 31 05.5 +16 30 56 1.0490 1.5852 101.2 38.3 23.3
...
2023 10 04 05 48 01.4 +16 32 38 0.9682 1.5407 103.0 39.3 23.1
...
2023 10 12 06 12 08.4 +16 26 23 0.8668 1.4822 105.0 40.6 22.8
...
2023 10 27 07 03 17.9 +15 43 16 0.6987 1.3764 107.5 43.5 22.2
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-S242
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