MPEC 2023-S229 : 2012 TR139
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M.P.E.C. 2023-S229 Issued 2023 September 26, 15:45 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
2012 TR139
Revision to MPEC 2012-T81
Additional Observations:
K12TD9R 1C2023 09 24.45182704 33 30.935+26 53 41.42 21.24GVES229G96
K12TD9R 1C2023 09 24.45683404 33 31.334+26 53 05.50 21.24GVES229G96
K12TD9R 1C2023 09 24.46182604 33 31.720+26 52 29.46 21.11GVES229G96
K12TD9R 1C2023 09 24.46684004 33 32.076+26 51 53.75 21.25GVES229G96
K12TD9R KC2023 09 24.49449404 33 34.211+26 48 35.89 21.85GVES229I52
K12TD9R KC2023 09 24.49644004 33 34.348+26 48 21.60 21.81GVES229I52
K12TD9R KC2023 09 24.49838704 33 34.474+26 48 07.70 21.29GVES229I52
K12TD9R KC2023 09 24.50033304 33 34.643+26 47 53.59 21.74GVES229I52
K12TD9R KC2023 09 25.35135204 34 46.733+25 04 21.79 21.59GVES229I52
K12TD9R KC2023 09 25.35444004 34 46.960+25 03 59.22 21.40GVES229I52
K12TD9R KC2023 09 25.35753004 34 47.201+25 03 36.47 21.24GVES229I52
K12TD9R 1C2023 09 25.43164204 34 52.720+24 54 27.65 21.21GVES229G96
K12TD9R 1C2023 09 25.43677504 34 53.065+24 53 49.16 21.44GVES229G96
K12TD9R 1C2023 09 25.44532204 34 53.681+24 52 46.02 20.99GVES229G96
K12TD9R 1C2023 09 25.45045604 34 54.052+24 52 08.00 21.62GVES229G96
Observer details:
G96 Mt. Lemmon Survey. Observers K. W. Wierzchos, R. A. Kowalski. Measurers
E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer A. Serrano. Measurers
E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.0-m prime focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
230924 G96 29- 41- 230925 G96 29- 39- MPO240147 -46.7 days
Orbital elements:
2012 TR139 Earth MOID = 0.2032 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 357.82920 (2000.0) P Q
n 0.35903494 Peri. 173.17393 +0.95667334 -0.09730208
a 1.9605514 Node 200.22752 +0.21520205 +0.87115523
e 0.3884156 Incl. 52.53344 +0.19612292 -0.48127006
P 2.75 H 20.96 G 0.15 U 1
Residuals in seconds of arc
121011 703 0.1+ 0.8- 121013 954 1.4+ 1.0+ 121019 474 0.0 0.5-
121011 703 2.1- 0.3- 121013 954 2.4+ 1.5+ 121019 474 0.1- 0.5-
121011 703 0.2- 0.6- 121013 204 0.2- 0.0 121019 474 0.2- 0.5+
121011 703 1.5- 1.0+ 121013 204 0.0 0.0 121020 807 0.1+ 0.1+
121011 H01 0.3- 0.1- 121013 204 0.2+ 0.1- 121020 807 0.1- 0.2+
121011 703 0.8- 0.1- 121013 807 0.1+ 0.1+ 121020 807 0.1- 0.1+
121011 H01 0.2- 0.4- 121013 807 0.0 0.1- 121020 807 0.1- 0.1+
121011 H01 0.4- 0.3- 121013 807 0.0 0.4- 230924 G96 0.1+ 0.4+
121011 H01 0.3- 0.4- 121013 807 0.1- 0.1+ 230924 G96 0.3+ 0.3+
121011 703 0.5- 0.2+ 121013 807 0.2- 0.1+ 230924 G96 0.3+ 0.1-
121011 703 0.3- 0.1- 121013 854 1.7+ 0.3+ 230924 G96 0.0 0.1+
121011 703 0.2- 0.9+ 121013 854 0.1+ 2.0- 230924 I52 0.3+ 0.3+
121011 G96 0.5- 0.3+ 121013 854 0.2+ 0.7+ 230924 I52 0.1+ 0.1-
121011 G96 0.2- 0.0 121014 J04 0.2- 0.3+ 230924 I52 0.2- 0.0
121011 G96 0.1+ 0.1- 121014 J04 0.2- 0.2+ 230924 I52 0.1+ 0.1-
121011 703 0.4+ 1.2- 121014 J04 0.1- 0.1+ 230925 I52 0.1+ 0.3-
121011 703 0.6+ 0.3- 121016 807 0.3+ 0.3- 230925 I52 0.0 0.0
121012 807 0.1- 0.1- 121016 807 0.1- 0.2+ 230925 I52 0.1+ 0.0
121012 807 0.1- 0.0 121016 807 0.1- 0.2- 230925 G96 0.2+ 0.1+
121012 807 0.2- 0.0 121016 807 0.2+ 0.0 230925 G96 0.2- 0.3-
121012 I19 0.2+ 0.2+ 121016 807 0.1+ 0.1- 230925 G96 0.3- 0.1+
121012 I19 0.2- 0.3- 121016 807 0.2+ 0.1- 230925 G96 0.3- 0.3+
121012 I19 0.4+ 0.2- 121016 807 0.0 0.2+
121013 954 0.4+ 0.1- 121019 474 0.3+ 0.1-
Ephemeris:
2012 TR139 a,e,i = 1.96, 0.39, 53 q = 1.1990
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 08 27 03 27 21.8 +58 00 37 0.7172 1.2199 88.1 55.9 22.7
...
2023 09 11 04 08 29.1 +46 50 18 0.5358 1.2016 97.6 56.2 22.0
...
2023 09 19 04 24 47.1 +36 32 02 0.4486 1.1990 104.6 54.2 21.6
...
2023 09 25 04 34 16.7 +25 47 42 0.3954 1.2005 110.6 51.5 21.2
2023 09 26 04 35 37.7 +23 43 19 0.3880 1.2010 111.6 50.9 21.2
2023 09 27 04 36 54.9 +21 34 06 0.3812 1.2016 112.6 50.4 21.1
...
2023 10 03 04 43 12.7 +07 09 42 0.3528 1.2068 117.9 47.1 20.9
...
2023 10 11 04 47 41.5 -13 42 57 0.3545 1.2180 120.6 44.9 20.9
...
2023 10 26 04 43 38.8 -43 13 11 0.4640 1.2514 113.1 46.9 21.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-S229
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