MPEC 2023-F159 : 2007 TH1
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M.P.E.C. 2023-F159 Issued 2023 March 27, 14:07 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
2007 TH1
Revision to MPEC 2007-T21
Additional Observations:
K07T01H C2015 03 28.29939511 10 25.030+23 47 58.89 21.75GVEF159F51
K07T01H C2015 03 28.31201911 10 22.056+23 47 49.82 22.14GVEF159F51
K07T01H C2015 03 28.32474311 10 19.053+23 47 41.06 21.81GVEF159F51
K07T01H C2015 03 28.33750311 10 16.066+23 47 32.22 20.80GVEF159F51
K07T01H C2015 04 07.24775710 33 39.958+20 57 27.27 21.67GVEF159F51
K07T01H C2015 04 07.26073310 33 37.132+20 57 10.56 21.77GVEF159F51
K07T01H C2015 04 07.27368310 33 34.363+20 56 53.79 21.66GVEF159F51
K07T01H C2015 04 09.27530410 26 43.741+20 10 59.03 21.32GVEF159F51
K07T01H C2015 04 09.28856810 26 40.949+20 10 39.61 21.93GVEF159F51
K07T01H C2023 03 16.53364513 48 02.447+02 49 14.11 21.37wUEF159F51
K07T01H C2023 03 16.54517813 48 01.578+02 49 01.26 21.21wUEF159F51
K07T01H C2023 03 16.55664213 48 00.705+02 48 48.29 21.21wUEF159F51
K07T01H C2023 03 25.43499213 32 39.240-00 44 09.94 20.55wUEF159F52
K07T01H C2023 03 25.44574313 32 37.474-00 44 30.83 20.36wUEF159F52
K07T01H C2023 03 25.45652513 32 35.864-00 44 49.66 20.83wUEF159F52
K07T01H C2023 03 25.46731613 32 34.169-00 45 09.71 20.78wUEF159F52
K07T01H C2023 03 25.58250113 32 16.039-00 48 43.30 20.58GVEF159F52
K07T01H C2023 03 25.58313113 32 15.947-00 48 44.48 20.62GVEF159F52
K07T01H KC2023 03 25.64209713 32 07.70 -00 50 04.5 20.7 GVEF159474
K07T01H KC2023 03 25.64561713 32 07.17 -00 50 10.8 20.5 GVEF159474
K07T01H KC2023 03 25.64913513 32 06.61 -00 50 17.6 20.7 GVEF159474
K07T01H KC2023 03 25.65265413 32 06.10 -00 50 24.1 20.6 GVEF159474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, H. Gao,
C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith, K. Chambers, T. Dukes. Measurers K. Chambers, S. Chastel, T. de
Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
150328 F51 0.36+ 0.26+ 230325 474 1.53+ 1.26+ MPO128954 +0.67 days
Orbital elements:
2007 TH1 PHA, Earth MOID = 0.0206 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 283.10805 (2000.0) P Q
n 0.62031347 Peri. 282.39141 +0.42558582 +0.90125132
a 1.3616388 Node 13.69200 -0.63739294 +0.36238981
e 0.4176214 Incl. 20.10910 -0.64234488 +0.23752828
P 1.59 H 21.93 G 0.15 U 0
Residuals in seconds of arc
071005 291 1.5+ 1.1- 071011 H45 0.0 0.9- 071031 291 0.1- 0.4-
071005 291 0.3- 0.5+ 071011 H45 0.4+ 0.4- 071031 291 (0.2+ 2.5-)
071005 291 0.7- 0.3+ 071011 H45 1.8- 1.4+ 071031 291 0.4+ 0.3-
071005 651 0.3+ 0.0 071011 H45 0.3- 0.6- 071110 H55 0.2- 0.4+
071005 651 0.0 0.3- 071012 170 0.1- 0.1- 071110 H55 0.1- 0.1+
071005 651 0.3- 0.0 071012 170 0.7+ 0.1- 150328 F51 0.1- 0.2+
071005 291 0.3+ 0.1- 071012 170 1.1+ 0.2- 150328 F51 0.2- 0.2-
071005 291 0.7+ 0.2+ 071012 170 1.1+ 0.5- 150328 F51 0.2- 0.1-
071005 291 1.0- 0.1+ 071013 113 0.3+ 0.4- 150328 F51 0.1+ 0.1-
071005 024 0.1+ 0.3- 071013 113 0.2- 0.0 150407 F51 0.1+ 0.2-
071005 024 0.3+ 0.2- 071013 113 0.2+ 0.1- 150407 F51 0.1- 0.0
071005 024 0.6+ 0.5- 071013 113 0.5+ 0.0 150407 F51 0.4+ 0.2+
071006 024 0.5+ 0.2- 071015 151 0.2+ 1.0+ 150409 F51 0.1+ 0.6+
071006 024 0.4+ 0.2- 071015 151 0.1+ 1.0+ 150409 F51 0.1- 0.0
071006 024 0.0 0.4- 071015 151 0.5- 1.4+ 230316 F51 0.1- 0.2+
071006 024 0.5+ 0.1- 071016 113 0.9+ 0.0 230316 F51 0.1+ 0.1+
071006 024 0.4+ 0.1- 071016 113 1.0+ 0.4- 230316 F51 0.2+ 0.1-
071007 H55 0.4+ 0.3- 071016 113 0.4+ 0.3- 230325 F52 0.2+ 0.2+
071007 H55 0.5+ 0.3- 071016 113 0.3+ 0.0 230325 F52 1.1- 0.9-
071007 H55 0.5+ 0.3- 071016 151 0.2+ 0.2- 230325 F52 0.1+ 0.2+
071007 H55 0.5+ 0.3- 071016 151 0.0 0.2- 230325 F52 0.1+ 0.1+
071007 291 1.2- 0.9+ 071016 151 0.1+ 0.2- 230325 F52 0.1+ 0.0
071007 291 0.8- 0.6+ 071023 448 0.3+ 0.0 230325 F52 0.2+ 0.0
071007 291 0.7- 0.9+ 071023 448 0.1+ 0.1- 230325 474 0.2- 0.0
071007 024 0.5+ 0.4- 071023 448 0.4+ 0.2- 230325 474 0.2+ 0.3+
071007 024 0.5+ 0.4- 071024 G96 0.3+ 0.8+ 230325 474 0.0 0.0
071007 024 0.4+ 0.1- 071024 G96 0.5- 0.4- 230325 474 0.6+ 0.1+
071009 A13 (3.6- 1.5+) 071024 G96 0.4- 0.2-
071009 A13 (4.0- 1.4+) 071024 G96 0.0 0.1-
Ephemeris:
2007 TH1 a,e,i = 1.36, 0.42, 20 q = 0.7930
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 25 13 54 02.6 +06 46 31 0.6198 1.4646 129.6 31.4 23.1
...
2023 03 12 13 52 05.9 +04 04 02 0.4443 1.3766 143.6 25.3 22.0
...
2023 03 20 13 43 23.1 +01 38 52 0.3605 1.3270 153.0 19.9 21.3
...
2023 03 26 13 31 14.7 -01 01 38 0.3035 1.2887 161.5 14.2 20.7
2023 03 27 13 28 37.0 -01 34 24 0.2945 1.2823 163.1 13.1 20.6
2023 03 28 13 25 47.2 -02 09 14 0.2858 1.2758 164.7 11.9 20.5
...
2023 04 03 13 03 53.7 -06 28 52 0.2375 1.2364 175.4 3.7 19.6
...
2023 04 11 12 16 59.2 -15 03 37 0.1874 1.1830 164.0 13.5 19.4
...
2023 04 26 09 35 08.6 -34 49 04 0.1586 1.0816 114.6 57.8 20.2
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-F159
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