MPEC 2023-J161 : 2021 TD32
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M.P.E.C. 2023-J161 Issued 2023 May 15, 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
2021 TD32
Revision to MPEC 2021-U214
Additional Observations:
K21T32D KC2023 05 13.40157914 53 00.833-06 01 30.32 23.56GVEJ161F52
K21T32D 0C2023 05 13.48023114 52 52.855-05 59 01.42 22.86GVEJ161T14
K21T32D 0C2023 05 13.48172914 52 52.703-05 58 58.57 22.97GVEJ161T14
K21T32D 0C2023 05 13.48294114 52 52.580-05 58 56.31 22.90GVEJ161T14
K21T32D 0C2023 05 14.50918914 51 12.992-05 26 38.86 23.21GVEJ161T14
K21T32D 0C2023 05 14.51066414 51 12.841-05 26 36.00 22.98GVEJ161T14
K21T32D 0C2023 05 14.51187114 51 12.722-05 26 33.78 23.22GVEJ161T14
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers C. Cunnningham, C.
Cunningham. 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
230513 F52 0.08+ 0.02+ 230514 T14 0.08+ 0.02+ MPO740979 +0.00 days
Orbital elements:
2021 TD32 PHA, Earth MOID = 0.0451 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 248.01170 (2000.0) P Q
n 0.46991649 Peri. 133.30400 +0.94682166 +0.17695423
a 1.6385345 Node 218.90669 -0.19824264 +0.97866215
e 0.4212096 Incl. 25.33295 +0.25343360 +0.10443947
P 2.10 H 21.89 G 0.15 U 1
Residuals in seconds of arc
211015 C51 0.4+ 0.6- 211030 033 0.1+ 0.1+ 211114 807 0.6- 0.2+
211015 C51 0.9+ 0.9+ 211030 T14 0.0 0.0 211114 807 0.7- 0.1-
211015 C51 0.1- 1.1- 211030 T14 0.0 0.0 211114 807 0.4- 0.3+
211015 C51 1.0+ 0.5+ 211030 T14 0.0 0.0 211126 F51 0.0 0.2+
211015 C51 0.1+ 0.1- 211104 807 0.0 0.1- 211126 F51 0.1+ 0.0
211015 C51 (2.7+ 4.8-) 211104 807 0.3- 0.6+ 211126 F51 0.0 0.1+
211015 C51 0.5+ 1.3- 211104 807 0.0 0.1+ 211126 F51 0.0 0.3+
211029 T14 0.0 0.1- 211112 807 0.4+ 0.2+ 211201 807 0.4+ 0.5-
211029 T14 0.0 0.0 211112 807 0.3+ 0.1+ 211201 807 0.3+ 0.1-
211029 T14 0.0 0.0 211112 807 0.1- 0.1- 211201 807 0.1+ 0.0
211029 T14 0.0 0.0 211112 G96 0.3+ 0.4- 230513 F52 0.1- 0.2-
211029 T14 0.0 0.0 211112 G96 0.1+ 0.2+ 230513 T14 0.0 0.0
211029 T14 0.0 0.0 211112 G96 0.0 0.1- 230513 T14 0.0 0.0
211030 033 0.3+ 1.0- 211112 G96 0.1+ 0.0 230513 T14 0.0 0.0
211030 033 0.2- 0.7- 211112 I52 0.0 0.5- 230514 T14 0.0 0.0
211030 033 0.4+ 0.5- 211112 I52 0.3- 0.3- 230514 T14 0.0 0.0
211030 033 0.0 0.1+ 211112 F51 0.1- 0.1- 230514 T14 0.0 0.0
211030 033 0.1+ 0.1- 211112 F51 0.1+ 0.0
211030 033 0.1- 0.0 211112 F51 0.0 0.2-
Ephemeris:
2021 TD32 a,e,i = 1.64, 0.42, 25 q = 0.9484
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 04 15 15 29 40.6 -18 40 34 0.9555 1.8907 149.7 15.5 24.0
...
2023 04 30 15 13 25.3 -12 43 48 0.8215 1.8196 168.5 6.3 23.2
...
2023 05 08 15 01 37.3 -08 49 29 0.7748 1.7795 171.9 4.6 23.0
...
2023 05 14 14 52 02.9 -05 42 37 0.7519 1.7484 165.5 8.3 23.1
2023 05 15 14 50 25.9 -05 11 09 0.7490 1.7432 164.1 9.1 23.1
2023 05 16 14 48 49.0 -04 39 41 0.7465 1.7379 162.7 9.9 23.1
...
2023 05 22 14 39 17.6 -01 33 18 0.7371 1.7059 154.1 15.0 23.2
...
2023 05 30 14 27 42.8 +02 18 47 0.7384 1.6619 142.6 21.7 23.4
...
2023 06 14 14 12 21.6 +08 04 41 0.7722 1.5761 123.1 32.7 23.7
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-J161
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