MPEC 2023-S258 : 2020 UF2
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M.P.E.C. 2023-S258 Issued 2023 September 28, 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 UF2
Revision to MPEC 2020-U131
Additional Observations:
K20U02F ;C2019 02 10.38340 13 33 53.10 -20 33 22.8 21.9 gVES258W84
K20U02F ;C2019 02 10.38470 13 33 53.41 -20 33 25.3 21.3 iVES258W84
K20U02F C2019 12 20.27240 06 10 44.55 +18 18 37.6 VES258G96
K20U02F C2019 12 20.27814 06 10 43.57 +18 18 36.9 21.3 GVES258G96
K20U02F C2019 12 20.28388 06 10 42.61 +18 18 35.7 20.8 GVES258G96
Observer details:
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers B. Gray, D. Rankin,
F. C. Shelly. 1.5-m reflector + 10K CCD.
W84 Cerro Tololo-DECam. Observer . Measurer P. VanWylen. 4.0-m reflector +
CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
190210 W84 0.14- 0.03- 191220 G96 0.05- 0.00- MPO740954 +0.16 days
Orbital elements:
2020 UF2 PHA, Earth MOID = 0.0412 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 217.88648 (2000.0) P Q
n 0.82101961 Peri. 34.37140 -0.00092804 +0.99902134
a 1.1295367 Node 235.61378 -0.92909520 -0.01721611
e 0.3056169 Incl. 3.07167 -0.36983949 +0.04074273
P 1.20 H 21.73 G 0.15 U 3
Residuals in seconds of arc
190210 W84 0.0 0.0 201020 I52 0.3- 0.4- 201103 291 0.1- 0.1-
190210 W84 0.0 0.0 201020 I52 0.2+ 0.1+ 201104 291 0.1- 0.2+
191220 G96 0.3- 0.7- 201020 I52 0.1+ 0.4- 201104 291 0.6+ 0.0
191220 G96 0.1- 0.3- 201021 I52 0.4+ 0.8- 201112 291 0.1+ 0.1-
191220 G96 0.3+ 0.3- 201021 I52 0.0 0.2- 201112 291 0.1+ 0.5-
201018 G96 0.3- 0.1+ 201021 I52 0.0 0.1+ 201112 291 0.1+ 0.6+
201018 G96 0.2+ 0.1- 201021 I52 0.0 0.2- 201113 291 0.2+ 0.2-
201018 G96 0.3+ 0.2- 201022 I52 0.1+ 0.4- 201113 291 0.3+ 0.5-
201018 G96 0.1- 0.3+ 201022 I52 0.1+ 0.1- 201113 291 0.1- 0.3-
201018 I52 0.4+ 0.3- 201022 I52 0.3- 0.0 201114 691 0.2+ 0.1+
201018 I52 0.5- 0.1- 201022 I52 0.1+ 0.0 201114 691 0.0 0.1-
201018 I52 0.4- 0.2+ 201023 I52 0.3- 0.2+ 201114 691 0.6+ 0.6-
201018 I52 0.5- 0.2- 201023 I52 0.2- 0.3- 201117 G96 0.2- 0.3+
201018 L01 0.2+ 0.3- 201023 I52 1.6- 1.1- 201117 G96 0.0 0.0
201018 L01 0.1+ 0.2+ 201024 C51 0.8- 0.5- 201117 G96 0.1+ 0.0
201018 L01 0.7+ 0.4+ 201024 C51 0.4+ 0.0 201117 G96 0.1- 1.1+
201018 L01 0.3- 0.1- 201024 C51 0.3+ 0.6- 201118 291 0.1- 0.1-
201019 I52 0.1+ 0.3- 201024 C51 0.2+ 1.1- 201118 291 0.2+ 0.1+
201019 I52 0.2- 0.2- 201024 C51 0.0 1.1- 201118 291 0.1+ 0.2-
201019 I52 0.3+ 0.1- 201103 291 0.5+ 0.1+
Ephemeris:
2020 UF2 a,e,i = 1.13, 0.31, 3 q = 0.7843
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 29 08 27 15.8 +17 35 34 2.2347 1.4546 30.3 20.5 25.3
...
2023 09 13 09 08 07.2 +14 41 07 2.1400 1.4306 34.6 23.5 25.3
...
2023 09 21 09 29 55.4 +12 53 29 2.0836 1.4140 36.8 25.2 25.2
...
2023 09 27 09 46 20.2 +11 26 20 2.0391 1.3998 38.4 26.4 25.2
2023 09 28 09 49 04.8 +11 11 17 2.0315 1.3973 38.7 26.6 25.2
2023 09 29 09 51 49.7 +10 56 06 2.0239 1.3947 38.9 26.8 25.2
...
2023 10 05 10 08 23.4 +09 21 48 1.9773 1.3786 40.5 28.1 25.2
...
2023 10 13 10 30 45.0 +07 07 55 1.9130 1.3549 42.4 29.8 25.1
...
2023 10 28 11 13 57.7 +02 33 12 1.7887 1.3037 45.6 33.0 25.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-S258
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