MPEC 2019-O15 : 2015 TU20
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M.P.E.C. 2019-O15 Issued 2019 July 18, 15:34 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
2015 TU20
Revision to MPEC 2015-T30
Additional Observations:
K15T20U C2019 04 07.52949413 48 10.206+07 36 02.68 22.7 GVEO015F51
K15T20U C2019 04 07.54184313 48 09.184+07 36 04.12 23.0 GVEO015F51
K15T20U C2019 04 07.55411413 48 08.178+07 36 06.02 22.9 GVEO015F51
K15T20U C2019 04 07.56639213 48 07.150+07 36 07.81 23.5 GVEO015F51
K15T20U C2019 05 28.27240612 39 50.053+04 30 31.29 23.1 GVEO015F51
K15T20U C2019 05 28.28306712 39 49.507+04 30 25.07 23.1 GVEO015F51
K15T20U C2019 05 28.29375612 39 48.958+04 30 18.40 22.5 GVEO015F51
K15T20U C2019 05 28.30445812 39 48.448+04 30 12.14 22.8 GVEO015F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, 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
190407 F51 0.03- 0.03- 190528 F51 0.02- 0.03- MPO386929 -0.12 days
Orbital elements:
2015 TU20 Earth MOID = 0.3760 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 314.18505 (2000.0) P Q
n 0.23119230 Peri. 274.94106 +0.68360261 +0.66930875
a 2.6291809 Node 43.47282 -0.37904369 +0.66636090
e 0.5845718 Incl. 25.02662 -0.62370934 +0.32861671
P 4.26 H 19.8 G 0.15 U 1
Residuals in seconds of arc
151002 F51 0.0 0.2+ 151017 807 0.1- 0.0 151107 G45 0.1- 0.0
151002 F51 0.0 0.0 151017 807 0.1+ 0.0 151109 H21 0.2+ 0.0
151002 F51 0.1+ 0.0 151017 G45 0.7+ 0.7+ 151109 H21 0.3+ 0.3+
151002 F51 0.1- 0.0 151017 G45 0.3+ 0.1+ 151109 H21 0.3+ 0.2+
151003 568 0.0 0.0 151017 G45 0.5+ 0.2+ 151109 H21 0.2+ 0.1+
151003 568 0.1+ 0.1- 151017 G45 0.2- 0.3- 151109 H21 0.2+ 0.1-
151003 568 0.1+ 0.0 151019 Q60 0.2- 0.6- 151109 H21 0.0 0.0
151003 F51 0.1- 0.1+ 151019 Q60 0.8+ 1.1- 151109 H21 0.2+ 0.3+
151003 F51 0.1+ 0.1- 151019 Q60 0.5- 1.2- 151110 G45 0.5+ 0.3+
151003 F51 0.1- 0.2+ 151024 807 0.0 0.1- 151110 G45 0.3+ 0.3-
151007 H36 0.1- 0.5+ 151024 807 0.5+ 0.4- 151110 G45 0.0 0.3+
151007 H36 0.5+ 0.0 151024 807 0.1- 0.0 151110 G45 0.4- 0.1+
151007 H36 0.1- 0.1- 151024 807 0.2- 0.1+ 151112 G45 0.2- 0.8-
151007 H36 0.0 0.0 151024 807 0.1+ 0.2+ 151112 G45 0.6- 0.2+
151007 H21 0.4+ 0.1- 151030 807 0.2+ 0.4- 151112 G45 0.3- 0.7-
151007 H21 0.6+ 0.9- 151030 807 0.4+ 0.5- 151112 G45 1.0- 0.0
151007 H21 0.2+ 0.7- 151030 807 0.2+ 0.2- 151112 G45 0.3- 0.6+
151008 807 0.3+ 0.2+ 151030 807 0.4+ 0.0 151112 G45 0.1+ 0.1+
151008 807 0.4+ 0.6+ 151030 807 0.3+ 0.1+ 151114 703 (1.5+ 1.8-)
151008 807 0.1+ 0.4+ 151031 926 0.1+ 0.2- 151114 703 0.0 0.5-
151008 926 0.4- 0.2+ 151031 926 0.4- 0.8- 151114 703 0.0 0.4+
151008 926 0.8- 0.2- 151031 926 0.3+ 0.2+ 151114 703 0.6+ 1.0+
151008 926 0.3- 0.3+ 151101 691 0.4- 0.1+ 151202 H21 0.1+ 0.1+
151010 807 0.0 0.1+ 151101 691 0.4- 0.1+ 151202 H21 0.0 0.4+
151010 807 0.1- 0.1- 151101 691 0.3- 0.1- 151202 H21 0.1- 0.4+
151010 807 0.1- 0.1+ 151101 H15 (2.3- 2.1-) 151203 H21 0.2- 0.4-
151010 807 0.1+ 0.0 151101 H15 1.3- 0.2+ 151203 H21 0.0 0.3-
151010 807 0.2+ 0.1+ 151101 H15 0.6- 0.1- 151203 H21 0.5- 0.1-
151013 703 0.0 0.0 151102 204 0.1+ 0.0 151203 F51 0.0 0.1+
151013 703 0.0 0.2- 151102 204 0.1+ 0.0 151203 F51 0.2+ 0.0
151013 703 0.7- 0.3+ 151102 204 0.1+ 0.0 151203 F51 0.2+ 0.2-
151013 703 0.1+ 0.6- 151103 246 (0.8- 1.6+) 190407 F51 0.0 0.0
151016 807 0.4- 0.7- 151103 246 0.3- 0.6- 190407 F51 0.0 0.2-
151016 807 0.1- 0.3- 151103 246 0.4- 1.0+ 190407 F51 0.2+ 0.0
151016 807 0.9- 0.2+ 151103 246 0.6+ 0.7+ 190407 F51 0.0 0.1+
151017 807 0.0 0.0 151107 G45 0.5- 0.0 190528 F51 0.1+ 0.0
151017 807 0.1- 0.0 151107 G45 0.6+ 0.7+ 190528 F51 0.1- 0.2+
151017 807 0.2- 0.0 151107 G45 0.0 0.4+ 190528 F51 0.3- 0.1-
151017 G45 0.4- 0.2+ 151107 G45 0.4+ 0.3- 190528 F51 0.1+ 0.1+
Ephemeris:
2015 TU20 a,e,i = 2.63, 0.58, 25 q = 1.0922
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 06 18 12 31 16.4 +00 23 25 1.4880 1.9521 100.8 30.7 23.4
...
2019 07 03 12 34 19.5 -03 15 09 1.5569 1.8388 88.6 33.6 23.5
...
2019 07 11 12 38 47.1 -05 22 57 1.5906 1.7778 82.8 34.6 23.5
...
2019 07 17 12 43 18.6 -07 03 31 1.6132 1.7320 78.8 35.1 23.5
2019 07 18 12 44 09.5 -07 20 40 1.6167 1.7243 78.2 35.2 23.5
2019 07 19 12 45 02.0 -07 37 55 1.6201 1.7167 77.5 35.3 23.5
...
2019 07 25 12 50 49.9 -09 23 40 1.6391 1.6709 73.8 35.7 23.5
...
2019 08 02 13 00 00.6 -11 50 38 1.6594 1.6100 69.3 36.1 23.4
...
2019 08 17 13 21 39.1 -16 44 03 1.6805 1.4977 61.8 36.6 23.3
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-O15
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