MPEC 2021-E07 : 2020 TN8
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M.P.E.C. 2021-E07 Issued 2021 March 3, 15:00 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
2020 TN8
Revision to MPEC 2020-U118
Additional Observations:
K20T08N C2010 10 08.41428802 24 55.574+18 00 01.01 22.58GVEE007F51
K20T08N C2010 10 08.43255702 24 53.370+17 59 45.99 22.15GVEE007F51
K20T08N C2010 10 08.45161702 24 51.066+17 59 29.88 22.37GVEE007F51
K20T08N C2010 10 12.56988702 16 21.804+16 57 56.58 22.17GVEE007F51
K20T08N C2010 10 14.51463702 12 04.000+16 25 55.56 22.43GVEE007F51
K20T08N C2010 10 30.28974201 32 56.985+11 08 28.74 21.86GVEE007F51
K20T08N C2012 08 31.33042718 38 33.502+23 27 11.99 20.27GVEE007F51
K20T08N C2012 08 31.34116718 38 36.974+23 26 14.11 20.65GVEE007F51
K20T08N C2015 12 14.22385000 23 07.670-01 02 29.49 22.31GVEE007F51
K20T08N C2015 12 14.23588800 23 07.426-01 02 34.41 22.21GVEE007F51
K20T08N C2015 12 14.24792200 23 07.200-01 02 39.37 22.33GVEE007F51
K20T08N C2016 10 06.42857923 48 30.303+11 21 28.23 22.68GVEE007F51
K20T08N C2016 10 06.43847123 48 29.066+11 21 15.55 22.36GVEE007F51
K20T08N C2016 10 06.44840423 48 27.830+11 21 02.52 21.91GVEE007F51
K20T08N C2016 10 29.25429723 15 55.670+04 12 34.16 22.16GVEE007F51
K20T08N C2017 08 20.26361316 42 12.050+43 49 33.68 19.76GVEE007F51
K20T08N C2017 08 20.27602916 42 23.598+43 48 08.92 19.71GVEE007F51
K20T08N C2017 08 20.28844716 42 35.141+43 46 44.02 19.73GVEE007F51
K20T08N C2017 08 20.30084816 42 46.648+43 45 19.14 19.84GVEE007F51
K20T08N C2020 10 08.55486902 22 20.322+17 48 24.79 22.12GVEE007F51
K20T08N C2020 10 08.56562802 22 19.024+17 48 16.05 22.59GVEE007F51
K20T08N C2020 10 08.57642102 22 17.701+17 48 06.43 22.18GVEE007F51
K20T08N C2020 12 05.27727300 27 02.258+00 08 23.40 22.41GVEE007F51
K20T08N C2020 12 05.29189600 27 01.571+00 08 14.42 22.43GVEE007F51
K20T08N C2020 12 12.21216200 23 21.676-00 52 14.29 21.90GVEE007F51
K20T08N C2020 12 12.22427800 23 21.370-00 52 19.84 22.26GVEE007F51
K20T08N C2020 12 12.23642700 23 21.075-00 52 25.22 23.16GVEE007F51
K20T08N C2021 01 06.23022100 28 35.168-02 06 57.31 22.33GVEE007F51
K20T08N C2021 01 06.24289100 28 35.639-02 06 56.75 22.79GVEE007F51
Observer details:
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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
101008 F51 0.22+ 0.03+ 210106 F51 0.01+ 0.00+ E2020-W27 +0.00 days
Orbital elements:
2020 TN8 Earth MOID = 0.1271 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 279.79788 (2000.0) P Q
n 0.78835117 Peri. 340.31465 -0.96289530 +0.24080122
a 1.1605296 Node 214.36022 -0.20951748 -0.95159412
e 0.6865781 Incl. 12.46805 -0.17010308 -0.19100629
P 1.25 H 20.6 G 0.15 U 2
Residuals in seconds of arc
101008 F51 0.5- 0.1+ 201015 F51 0.2+ 0.1+ 201019 V06 0.3- 0.2-
101008 F51 0.5- 0.2+ 201015 F51 0.0 0.1+ 201020 F51 0.3+ 0.1+
101008 F51 0.6- 0.1- 201015 F51 0.3- 0.1+ 201020 F51 0.1+ 0.2+
101012 F51 0.5- 0.1- 201015 F51 0.2- 0.0 201020 F51 0.0 0.2-
101014 F51 0.3- 0.2- 201016 V06 0.1+ 0.1- 201107 H21 0.2- 0.2-
101030 F51 0.1- 0.2+ 201016 V06 0.2+ 0.1- 201107 H21 0.1- 0.1-
120831 F51 0.4+ 0.0 201016 V06 0.2- 0.3+ 201107 H21 0.3- 0.2-
120831 F51 0.5+ 0.0 201016 V06 0.4+ 0.3+ 201108 H21 0.0 0.2+
151214 F51 0.1- 0.1- 201016 F51 0.2+ 0.0 201108 H21 0.2- 0.1-
151214 F51 0.1- 0.1- 201016 F51 0.4+ 0.1- 201108 H21 0.2- 0.1+
151214 F51 0.2+ 0.1- 201016 F51 0.2+ 0.0 201110 F51 0.1+ 0.1-
161006 F51 0.1+ 0.1+ 201017 V06 0.0 0.0 201110 F51 0.1+ 0.0
161006 F51 0.2- 0.2+ 201017 V06 0.2+ 0.0 201110 F51 0.0 0.1+
161006 F51 0.3- 0.1+ 201017 V06 0.0 0.1+ 201110 F51 0.1+ 0.0
161029 F51 0.1- 0.1- 201017 F51 0.3+ 0.1- 201205 F51 0.3+ 0.0
170820 F51 0.1- 0.1- 201017 F51 0.4+ 0.2+ 201205 F51 0.3+ 0.0
170820 F51 0.1- 0.1- 201017 F51 0.1+ 0.2+ 201212 F51 0.3+ 0.0
170820 F51 0.1- 0.1- 201018 V06 0.1+ 0.2+ 201212 F51 0.1+ 0.3-
170820 F51 0.2- 0.1+ 201018 V06 0.2+ 0.1- 201212 F51 0.1+ 0.4-
201008 F51 0.4- 0.2- 201018 V06 0.1+ 0.3- 210106 F51 0.2+ 0.0
201008 F51 0.0 0.3+ 201019 V06 0.2+ 0.0 210106 F51 0.1+ 0.2+
201008 F51 0.0 0.0 201019 V06 0.3+ 0.3-
Ephemeris:
2020 TN8 a,e,i = 1.16, 0.69, 12 q = 0.3637
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 01 00 54 17.3 -01 00 07 1.1205 1.0632 60.2 53.6 22.9
...
2021 02 16 01 14 12.9 +00 05 44 1.0594 0.8723 50.3 60.6 22.6
...
2021 02 24 01 24 37.5 +00 38 34 0.9960 0.7599 45.0 67.1 22.4
...
2021 03 02 01 31 00.7 +00 57 01 0.9325 0.6715 40.7 74.3 22.2
2021 03 03 01 31 50.5 +00 59 14 0.9205 0.6565 40.0 75.8 22.2
2021 03 04 01 32 34.6 +01 01 08 0.9082 0.6415 39.2 77.4 22.1
...
2021 03 10 01 34 07.9 +01 04 08 0.8267 0.5513 33.7 89.9 22.1
...
2021 03 18 01 21 33.1 +00 35 02 0.7084 0.4398 22.9 118.3 22.8
...
2021 04 02 23 51 15.5 -00 21 17 0.6836 0.3773 14.3 139.0 24.4
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-E07
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