MPEC 2023-S262 : 2021 TO15
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M.P.E.C. 2023-S262 Issued 2023 September 29, 14:06 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
2021 TO15
Revision to MPEC 2021-T307
Additional Observations:
K21T15O 0C2022 10 23.28833122 26 36.762-24 36 06.99 22.50GVES262T12
K21T15O 0C2022 10 23.28995422 26 35.456-24 36 07.93 22.38GVES262T12
K21T15O 0C2023 09 11.47648401 19 00.577-13 20 40.02 25.29GVES262T12
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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
221023 T12 0.03+ 0.01+ 230911 T12 0.08+ 0.05+ E2023-R32 +0.03 days
Orbital elements:
2021 TO15 Earth MOID = 0.0083 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 243.15887 (2000.0) P Q
n 0.97050523 Peri. 109.26855 -0.80817633 -0.58371924
a 1.0103476 Node 35.14321 +0.47631621 -0.72597300
e 0.4209406 Incl. 7.81285 +0.34637248 -0.36364138
P 1.02 H 25.22 G 0.15 U 2
Residuals in seconds of arc
211004 F52 0.0 0.4- 211014 F52 0.1- 0.1+ 211014 L01 0.5+ 0.6-
211004 F52 0.2- 0.2+ 211014 F52 0.0 0.2- 211015 807 0.3- 0.2-
211004 F52 0.1+ 0.1- 211014 G96 0.1+ 0.0 211015 807 0.2+ 0.2+
211004 F52 0.2+ 0.1- 211014 G96 0.1+ 0.5- 211015 807 0.4+ 0.9+
211006 F51 0.1- 0.0 211014 G96 0.3- 0.7+ 211025 807 0.1- 0.4+
211006 F51 0.2+ 0.0 211014 G96 0.5- 0.1+ 211025 807 1.0+ 0.0
211014 G96 0.1+ 0.3- 211014 L01 0.6+ 0.6- 211025 807 0.9- 0.5-
211014 G96 0.2- 0.4+ 211014 L01 0.0 0.6- 221023 T12 0.0 0.0
211014 G96 0.8- 0.0 211014 L01 0.2- 0.4- 221023 T12 0.0 0.1-
211014 G96 0.3- 0.1+ 211014 L01 0.0 0.1- 230911 T12 0.0 0.2+
Ephemeris:
2021 TO15 a,e,i = 1.01, 0.42, 8 q = 0.5851
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 30 01 32 12.8 -09 55 45 0.4370 1.3564 135.5 31.5 25.4
...
2023 09 14 01 14 07.5 -14 12 32 0.3272 1.3025 151.2 21.8 24.4
...
2023 09 22 00 52 20.3 -17 17 07 0.2800 1.2680 158.0 17.2 23.9
...
2023 09 28 00 28 53.3 -19 44 17 0.2516 1.2395 158.3 17.4 23.6
2023 09 29 00 24 21.4 -20 08 19 0.2474 1.2345 157.7 17.9 23.6
2023 09 30 00 19 38.9 -20 31 58 0.2435 1.2295 157.0 18.6 23.6
...
2023 10 06 23 47 55.7 -22 39 32 0.2240 1.1979 149.2 25.3 23.5
...
2023 10 14 22 59 00.1 -24 21 45 0.2086 1.1523 133.9 38.6 23.7
...
2023 10 29 21 29 14.0 -23 00 08 0.2050 1.0561 102.2 66.8 24.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-S262
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