MPEC 2019-U20 : 2018 KT
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M.P.E.C. 2019-U20 Issued 2019 October 18, 00:59 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
2018 KT
Revision to MPEC 2018-K36
Additional Observations:
K18K00T C2013 10 06.25490423 00 00.763+22 38 49.25 21.2 GVEU020F51
K18K00T C2013 10 06.26579023 00 00.514+22 38 26.92 21.8 GVEU020F51
K18K00T C2013 10 10.27009022 59 18.981+20 24 29.69 21.7 GVEU020F51
K18K00T C2016 01 09.40920605 08 29.338-02 57 09.70 23.3 GVEU020F51
K18K00T C2016 01 09.42108405 08 28.460-02 57 10.26 23.6 GVEU020F51
K18K00T C2016 01 12.28564105 05 23.305-02 58 38.58 23.5 GVEU020F51
K18K00T C2016 01 12.29932605 05 22.407-02 58 38.66 22.4 GVEU020F51
K18K00T C2016 01 12.31298505 05 21.504-02 58 38.34 22.8 GVEU020F51
K18K00T C2016 01 30.34539004 55 48.215-01 58 22.48 23.0 GVEU020F51
K18K00T C2016 02 12.25322704 58 59.382-00 28 38.35 22.4 GVEU020F51
K18K00T C2018 08 03.38783819 04 33.170+36 50 40.97 21.2 GVEU020F51
K18K00T C2018 08 03.41263819 04 33.232+36 50 13.54 21.4 GVEU020F51
K18K00T C2018 08 03.42499619 04 33.299+36 49 58.70 21.1 GVEU020F51
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, reference and Delta-T
131006 F51 45.1- 12.9- 180803 F51 0.1- 0.1- MPO473495 +0.00 days
Orbital elements:
2018 KT Earth MOID = 0.1594 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Veres
M 196.53746 (2000.0) P Q
n 0.58216215 Peri. 25.48358 -0.34543921 +0.91994223
a 1.4204962 Node 224.95691 -0.89965925 -0.38084717
e 0.1857612 Incl. 15.21319 -0.26699248 +0.09306841
P 1.69 H 21.1 G 0.15 U 1
Residuals in seconds of arc
131006 F51 0.2+ 0.0 180518 L01 0.9- 0.1+ 180621 H36 1.0+ 0.0
131006 F51 0.0 0.4- 180518 G40 0.6- 0.2- 180623 G96 0.1+ 0.2-
131010 F51 0.0 0.2- 180518 G40 0.5- 0.1+ 180623 G96 0.2+ 0.7+
160109 F51 0.1+ 0.2- 180518 H01 0.1+ 0.1- 180623 G96 0.3- 1.1-
160109 F51 0.0 0.0 180518 H01 0.3+ 0.1- 180623 G96 0.8- 0.6+
160112 F51 0.3+ 0.2+ 180518 H01 0.2- 0.1+ 180707 H21 0.1+ 0.3-
160112 F51 0.1+ 0.0 180518 H01 0.1+ 0.3- 180707 H21 0.1- 0.2-
160112 F51 0.2- 0.2+ 180518 E23 0.3- 0.1+ 180708 204 0.5+ 0.3-
160130 F51 0.0 0.1- 180518 E23 0.2+ 0.3+ 180708 204 0.2+ 0.2-
160212 F51 0.2- 0.3+ 180518 E23 0.3- 0.5+ 180708 204 0.0 0.2-
180517 G96 0.3- 0.3+ 180518 L01 0.0 0.3+ 180723 H21 0.1- 0.1+
180517 G96 0.1+ 0.1+ 180519 L01 0.3- 0.5+ 180723 H21 0.2- 0.0
180517 G96 0.1+ 0.1+ 180519 L01 0.1- 0.4+ 180723 H21 0.3+ 0.5+
180517 H01 0.1+ 0.0 180519 595 0.2+ 0.2+ 180802 H21 0.0 0.3-
180517 I52 0.0 0.5- 180519 595 0.2- 0.3- 180802 H21 0.2- 0.5-
180517 I52 0.2- 0.3+ 180519 I52 0.0 0.4+ 180802 H21 0.1+ 0.5-
180517 H01 0.2+ 0.0 180519 I52 0.1- 0.1- 180803 F51 0.2+ 0.1-
180517 I52 0.1+ 0.3- 180519 I52 0.4- 0.4+ 180803 F51 0.0 0.5+
180517 I52 0.1- 0.0 180519 I52 0.3- 0.1- 180803 F51 0.2+ 0.2-
180517 H01 0.1+ 0.1- 180523 T12 0.1+ 0.0 180806 H21 0.1- 0.3-
180517 H01 0.1+ 0.0 180523 T12 0.1+ 0.0 180806 H21 0.3+ 0.2-
180517 I52 0.2- 0.6+ 180524 C95 0.7- 1.1- 180806 H21 0.3+ 0.3-
180517 I52 0.8- 0.6+ 180524 C95 0.1+ 2.3+ 181006 H21 1.4- 2.5+
180517 I52 1.2- 0.8- 180524 C95 2.3- 0.7- 181006 H21 1.6- 2.9+
180517 I52 0.0 0.2- 180609 691 0.0 0.4+ 181006 H21 1.4- 2.8+
180518 K87 0.8- 0.5+ 180609 691 0.1+ 0.2+ 181007 807 0.3+ 0.5-
180518 K87 0.4- 0.6+ 180609 691 0.3+ 0.4+ 181007 807 0.0 0.2-
180518 K87 0.8- 0.6+ 180616 157 0.5- 0.4- 181007 807 0.5- 0.1+
180518 L01 0.5- 0.6- 180617 157 0.7- 0.4- 181009 H21 0.0 0.3-
180518 L01 0.5- 0.9+ 180621 H36 0.3+ 1.0- 181009 H21 0.3- 0.0
180518 L01 0.7- 1.1- 180621 H36 0.5+ 0.2-
Ephemeris:
2018 KT a,e,i = 1.42, 0.19, 15 q = 1.1566
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 09 18 10 33 59.1 -00 28 25 2.3549 1.4218 16.7 11.7 24.4
...
2019 10 03 11 16 58.7 -04 28 22 2.2866 1.3812 19.2 13.8 24.4
...
2019 10 11 11 40 36.3 -06 39 18 2.2491 1.3594 20.5 14.9 24.4
...
2019 10 17 11 58 42.8 -08 17 32 2.2208 1.3431 21.4 15.7 24.3
2019 10 18 12 01 46.0 -08 33 50 2.2161 1.3403 21.6 15.9 24.3
2019 10 19 12 04 49.9 -08 50 08 2.2114 1.3376 21.7 16.0 24.3
...
2019 10 25 12 23 27.4 -10 27 03 2.1831 1.3215 22.6 16.8 24.3
...
2019 11 02 12 48 57.9 -12 33 00 2.1457 1.3004 23.8 17.9 24.3
...
2019 11 17 13 39 06.0 -16 10 55 2.0776 1.2626 25.8 19.9 24.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-U20
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