MPEC 2020-C120 : 2008 TK157
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M.P.E.C. 2020-C120 Issued 2020 February 9, 06:07 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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
2008 TK157
Revision to MPEC 2008-U15
Additional Observations:
K08TF7K C2019 09 26.28871822 16 10.129-02 22 18.53 21.9 GVEC120F51
K08TF7K C2019 09 26.32354522 16 07.746-02 22 39.94 22.2 GVEC120F51
K08TF7K C2019 09 30.34024222 12 06.173-03 03 27.49 21.5 GVEC120F51
K08TF7K C2019 10 21.32765022 02 13.820-06 02 10.47 22.5 GVEC120F51
K08TF7K C2019 10 21.33983722 02 13.807-06 02 15.13 22.5 GVEC120F51
K08TF7K C2019 10 21.35201922 02 13.786-06 02 19.62 22.4 GVEC120F51
K08TF7K C2019 10 21.36420922 02 13.781-06 02 24.38 23.2 GVEC120F51
K08TF7K C2019 10 22.30167322 02 18.577-06 08 12.37 22.8 GVEC120F52
K08TF7K C2019 10 22.31407222 02 18.625-06 08 17.36 22.2 GVEC120F52
K08TF7K C2019 11 15.20782222 19 52.923-07 11 50.64 21.7 GVEC120F52
K08TF7K C2019 11 15.22298122 19 54.100-07 11 50.52 22.9 GVEC120F52
K08TF7K C2019 11 15.23542822 19 54.998-07 11 49.77 21.6 GVEC120F52
K08TF7K C2019 11 15.24794622 19 55.974-07 11 49.04 22.5 GVEC120F52
K08TF7K KC2020 01 28.09888 01 41 52.53 +05 59 19.1 22.9 RoEC120291
K08TF7K KC2020 01 28.11137 01 41 55.43 +05 59 31.5 23.3 RoEC120291
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, 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
190926 F51 0.13+ 0.05+ 200128 291 0.13+ 0.02+ MPO221126 +0.17 days
Orbital elements:
2008 TK157 Earth MOID = 0.1750 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 34.34938 (2000.0) P Q
n 0.26681203 Peri. 217.67993 +0.20923517 -0.97651821
a 2.3896398 Node 220.31551 +0.91535353 +0.21404973
e 0.5176732 Incl. 4.54871 +0.34401824 +0.02439050
P 3.69 H 20.7 G 0.15 U 1
Residuals in seconds of arc
080923 691 0.6- 0.0 081101 448 0.2+ 0.0 081126 B37 (2.0+ 1.0-)
080923 691 0.4- 0.3+ 081101 448 0.6+ 0.1- 081127 B37 (1.3+ 1.7+)
080923 691 0.4- 0.1+ 081101 448 0.2+ 0.0 081127 B37 (4.0+ 0.5+)
081009 691 0.0 0.3+ 081108 691 0.1- 0.1+ 081205 H55 0.1+ 0.2+
081009 691 0.3- 0.2+ 081108 691 0.1+ 0.0 081205 H55 0.1- 0.0
081009 691 0.5- 0.1+ 081108 691 0.2- 0.2+ 081205 H55 0.1+ 0.0
081010 291 0.2- 0.2+ 081108 G96 0.0 0.2- 081205 H55 0.0 0.0
081010 291 0.5- 0.3+ 081108 G96 0.3+ 0.2- 081205 H55 0.1- 0.1-
081010 291 0.2- 0.1+ 081108 G96 0.3+ 0.3- 081213 H55 0.3- 0.1+
081020 B03 0.6+ 0.1+ 081108 G96 0.2+ 0.1- 081213 H55 0.0 0.3-
081020 B03 0.2- 0.2+ 081116 J75 0.2+ 0.1+ 081213 H55 0.3+ 0.1-
081020 B03 1.2- 0.4- 081116 J75 0.2+ 0.0 081213 H55 0.1- 0.2-
081022 A50 0.1- 0.5+ 081116 J75 0.0 0.4- 081222 703 1.1- 0.3-
081022 A50 1.2- 0.8+ 081117 448 0.1- 0.3- 081222 703 0.1+ 0.1-
081022 A50 0.3- 0.3+ 081117 448 0.1+ 0.1- 081222 703 0.0 1.2+
081023 304 0.2- 0.2+ 081117 448 0.1+ 0.3- 081222 703 1.1- 0.1-
081023 304 0.2- 0.2+ 081118 H55 1.2- 0.1- 081230 703 (1.7- 1.9-)
081023 304 0.2- 0.2+ 081118 H55 0.0 0.1- 081230 703 0.3- 0.5-
081023 304 0.2- 0.2+ 081118 H55 0.0 0.0 081230 703 0.0 0.4-
081023 304 0.1- 0.2+ 081119 703 1.2+ 0.6- 090109 H55 0.2- 0.6-
081023 304 0.1- 0.2+ 081119 703 0.1+ 0.2+ 090109 H55 0.6+ 0.0
081023 304 0.1- 0.2+ 081119 703 0.3- 0.9- 090109 H55 0.3- 0.2+
081023 304 0.1- 0.2+ 081119 703 0.8+ 0.9- 090118 448 0.7+ 0.0
081025 G96 0.1+ 0.1- 081119 704 0.1- 1.0+ 090118 448 0.1+ 0.2-
081025 G96 0.3+ 0.6- 081119 704 0.1- 1.0+ 090118 448 0.5+ 0.8+
081025 G96 0.5+ 0.1- 081119 704 0.2+ 0.7+ 090303 H55 0.0 0.2-
081025 G96 0.0 0.0 081119 704 0.6+ 0.5+ 090303 H55 0.3- 0.0
081026 704 0.1+ 0.2+ 081119 704 0.5+ 1.1+ 190926 F51 0.1+ 0.1+
081026 704 0.6+ 0.2- 081122 A53 1.2+ 0.1+ 190926 F51 0.0 0.0
081026 704 (0.2- 1.8+) 081122 A53 1.0+ 0.2- 190930 F51 0.1- 0.2-
081026 704 0.6- 0.5+ 081123 704 (0.1- 2.5+) 191021 F51 0.1+ 0.1+
081029 645 0.1- 0.1- 081123 704 0.4+ 0.7+ 191021 F51 0.1+ 0.0
081029 645 0.1+ 0.0 081123 704 (0.0 1.6+) 191021 F51 0.0 0.1+
081029 645 0.1- 0.1- 081123 704 0.8- 0.9+ 191021 F51 0.0 0.1-
081029 645 0.2+ 0.0 081123 704 (1.2+ 2.5+) 191022 F52 0.2+ 0.0
081030 703 0.1- 1.0- 081124 683 0.6+ 0.3- 191022 F52 0.5+ 0.5-
081030 703 0.0 0.1+ 081124 683 (1.8- 0.7+) 191115 F52 0.2- 0.3+
081030 703 0.5- 0.5+ 081125 H45 0.3- 0.5+ 191115 F52 0.3+ 0.4-
081030 703 0.5- 0.1- 081125 H45 0.6- 0.1- 191115 F52 0.3- 0.3-
081101 704 0.0 0.8+ 081125 H45 0.2- 0.1- 191115 F52 0.1+ 0.2-
081101 704 0.1- 0.2- 081125 H45 0.1- 0.1- 200128 291 0.6- 0.3+
081101 704 0.2- 0.0 081125 H45 0.0 0.3- 200128 291 0.2- 0.3-
081101 704 0.8+ 0.5+ 081125 H45 0.4+ 0.2-
081101 704 0.9- 0.6+ 081126 B37 1.2- 0.2+
Ephemeris:
2008 TK157 a,e,i = 2.39, 0.52, 5 q = 1.1526
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 01 10 00 35 55.5 +00 56 34 0.8202 1.1627 79.7 56.3 22.6
...
2020 01 25 01 29 57.5 +05 05 31 0.8266 1.1528 78.5 56.8 22.7
...
2020 02 02 02 01 12.0 +07 24 48 0.8354 1.1581 78.5 56.5 22.7
...
2020 02 08 02 25 33.1 +09 08 00 0.8455 1.1667 78.7 56.0 22.7
2020 02 09 02 29 40.6 +09 24 53 0.8476 1.1686 78.8 55.9 22.7
2020 02 10 02 33 49.1 +09 41 39 0.8497 1.1705 78.8 55.8 22.7
...
2020 02 16 02 58 58.9 +11 19 04 0.8650 1.1844 79.2 55.0 22.8
...
2020 02 24 03 33 09.7 +13 17 27 0.8925 1.2084 79.7 53.7 22.8
...
2020 03 10 04 37 38.3 +16 08 51 0.9682 1.2686 80.6 50.6 23.0
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-C120
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