MPEC 2019-F71 : 2018 TX4
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M.P.E.C. 2019-F71 Issued 2019 Mar. 24, 17:58 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 TX4
Revision to MPEC 2018-T147
Additional Observations:
K18T04X C2014 06 28.56220722 57 21.850-17 46 33.16 21.9 GVEF071F51
K18T04X C2014 06 28.57408022 57 21.406-17 46 37.07 22.2 GVEF071F51
K18T04X C2014 06 28.58595222 57 20.961-17 46 40.44 22.6 GVEF071F51
K18T04X C2014 06 28.59783822 57 20.527-17 46 44.02 22.5 GVEF071F51
K18T04X C2014 07 08.53666922 49 37.123-18 44 20.56 21.9 GVEF071F51
K18T04X C2014 07 08.54847622 49 36.410-18 44 25.28 22.2 GVEF071F51
K18T04X C2014 07 08.56028722 49 35.701-18 44 29.84 22.3 GVEF071F51
K18T04X C2014 07 08.57208722 49 34.983-18 44 34.47 22.1 GVEF071F51
K18T04X C2014 07 27.50773922 24 52.316-21 02 15.20 22.3 GVEF071F51
K18T04X C2014 07 27.51893322 24 51.228-21 02 20.65 22.0 GVEF071F51
K18T04X C2014 07 27.54130722 24 49.031-21 02 30.13 22.0 GVEF071F51
K18T04X C2014 07 29.50952022 21 38.590-21 16 59.41 21.7 GVEF071F51
K18T04X C2014 07 29.53244822 21 36.289-21 17 09.30 22.0 GVEF071F51
K18T04X C2014 08 06.49965622 08 05.340-22 12 00.31 22.3 GVEF071F51
K18T04X C2014 08 06.51156222 08 04.055-22 12 04.88 21.4 GVEF071F51
K18T04X C2014 08 14.40730721 54 16.719-22 57 05.88 20.6 GVEF071F51
K18T04X C2014 08 14.41916321 54 15.449-22 57 09.41 22.1 GVEF071F51
K18T04X C2014 08 14.44291221 54 12.907-22 57 16.77 22.5 GVEF071F51
K18T04X C2014 08 15.41114921 52 32.423-23 01 59.02 21.5 GVEF071F51
K18T04X C2014 08 15.42304121 52 31.163-23 02 02.38 22.0 GVEF071F51
K18T04X C2014 08 15.43493221 52 29.892-23 02 05.79 22.0 GVEF071F51
K18T04X C2014 08 15.44683821 52 28.624-23 02 09.50 21.9 GVEF071F51
K18T04X C2017 08 01.52995223 33 48.597-06 45 25.92 23.8 GVEF071F51
K18T04X C2017 08 01.54184023 33 48.033-06 45 28.85 23.4 GVEF071F51
K18T04X C2017 08 01.55372623 33 47.436-06 45 31.97 22.8 GVEF071F51
K18T04X C2017 08 01.56564023 33 46.850-06 45 35.07 24.0 GVEF071F51
K18T04X C2017 08 03.53093723 32 11.627-06 54 09.92 23.8 GVEF071F51
K18T04X C2017 08 03.54170523 32 11.045-06 54 13.03 23.3 GVEF071F51
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
140628 F51 1.37+ 1.41+ 170803 F51 0.58+ 0.29+ MPO458811 +0.10 day
Orbital elements:
2018 TX4 Earth MOID = 0.1971 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 11.72573 (2000.0) P Q
n 0.37958639 Peri. 178.96066 -0.98597229 -0.16420249
a 1.8891320 Node 351.41233 +0.15165322 -0.80641271
e 0.7092831 Incl. 11.56507 +0.06971328 -0.56809866
P 2.60 H 18.8 G 0.15 U 2
Residuals in seconds of arc
140628 F51 0.1+ 0.1+ 181010 K88 0.2- 0.3+ 181117 G96 0.0 0.3-
140628 F51 0.0 0.2- 181011 H01 0.2- 0.1- 181126 691 0.2+ 0.2+
140628 F51 0.0 0.0 181011 H01 0.2- 0.0 181126 691 0.6- 0.1+
140628 F51 0.1+ 0.0 181011 H01 0.2- 0.1+ 181126 691 0.3- 0.1-
140708 F51 0.0 0.1+ 181011 H01 0.1- 0.1- 181127 691 0.2+ 0.1-
140708 F51 0.0 0.0 181011 L01 0.1- 0.3- 181127 691 0.0 0.3-
140708 F51 0.1+ 0.1+ 181011 L01 0.1+ 0.2- 181127 691 0.3+ 0.5+
140708 F51 0.1+ 0.1+ 181011 L01 0.3- 0.3- 181204 G96 0.2- 0.4-
140727 F51 0.2- 0.2+ 181026 V06 (5.0+ 4.0+) 181204 G96 0.3+ 0.4+
140727 F51 0.1- 0.3- 181026 V06 0.4- 1.3+ 181204 G96 0.4+ 0.4+
140727 F51 0.1- 0.2+ 181026 V06 0.6- 0.2+ 181204 G96 0.6+ 0.5+
140729 F51 0.0 0.0 181028 I52 0.5- 0.5- 181209 I52 0.0 0.5-
140729 F51 0.1+ 0.1+ 181028 I52 0.2- 0.1- 181209 I52 0.4- 0.2-
140806 F51 0.1+ 0.1+ 181028 I52 0.1+ 0.5- 181209 I52 0.0 0.1-
140806 F51 0.1- 0.1+ 181028 I52 0.3- 0.3+ 181209 291 0.0 0.3+
140814 F51 0.1+ 0.0 181029 I52 0.5- 0.1+ 181209 I52 0.0 0.1+
140814 F51 0.0 0.0 181029 I52 0.2- 0.7- 181209 291 0.1- 0.1+
140814 F51 0.1- 0.2- 181029 I52 0.5+ 0.3+ 181209 291 0.2- 0.6-
140815 F51 0.1+ 0.0 181029 I52 0.2- 0.6+ 181210 691 0.1+ 0.5+
140815 F51 0.1+ 0.0 181102 I52 0.4+ 0.0 181210 691 0.5- 0.8+
140815 F51 0.0 0.0 181102 I52 0.8- 0.0 181210 691 0.2+ 0.1+
140815 F51 0.1- 0.3- 181102 I52 0.1+ 0.7- 181220 I52 0.0 0.3+
170801 F51 0.0 0.0 181102 I52 0.4- 0.3+ 181220 I52 0.1+ 0.3-
170801 F51 0.2+ 0.1+ 181107 I52 0.9+ 0.9- 181220 I52 0.3- 0.1+
170801 F51 0.1- 0.0 181107 I52 0.5+ 0.0 181220 I52 0.3- 0.1+
170801 F51 0.2- 0.0 181107 I52 0.2- 0.6- 190103 F51 0.0 0.0
170803 F51 0.2+ 0.1- 181108 G96 0.1- 0.2- 190103 F51 0.1- 0.1-
170803 F51 0.2- 0.3- 181108 G96 0.3- 0.1- 190103 F51 0.0 0.1-
181005 F52 0.3- 0.2- 181108 G96 0.3- 1.0- 190103 F51 0.0 0.0
181005 F52 0.1+ 0.1- 181108 G96 0.1- 0.2+ 190105 691 0.1- 0.1+
181010 G96 0.3+ 0.3- 181109 F52 0.0 0.2- 190105 691 0.0 0.3+
181010 G96 0.2+ 0.3+ 181109 F52 0.0 0.0 190105 691 0.6+ 0.2+
181010 G96 0.1+ 0.0 181109 F52 0.0 0.1- 190127 I52 0.3- 0.2+
181010 G96 0.6+ 0.0 181109 F52 0.0 0.2- 190127 I52 0.8+ 0.0
181010 V06 0.1+ 0.0 181116 I52 0.2+ 0.0 190127 I52 0.5+ 0.1+
181010 V06 0.2+ 0.0 181116 I52 0.5- 0.1+ 190212 I52 0.4+ 0.2+
181010 V06 0.0 0.0 181116 I52 0.8+ 1.2- 190212 I52 0.4- 0.0
181010 V06 0.1- 0.1- 181117 G96 0.2- 0.2+ 190212 I52 0.4- 0.5+
181010 K88 0.3- 0.4+ 181117 G96 0.2+ 0.5- 190212 I52 0.1- 0.5-
181010 K88 0.4- 0.2+ 181117 G96 0.5- 0.4+
Ephemeris:
2018 TX4 a,e,i = 1.89, 0.71, 12 q = 0.5492
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 02 22 01 07 47.8 +18 01 24 0.9303 0.8199 50.5 68.5 20.6
...
2019 03 09 01 32 23.6 +18 10 24 0.7450 0.6493 40.8 90.5 20.4
...
2019 03 17 01 38 22.8 +16 16 48 0.6266 0.5832 33.3 110.6 20.8
...
2019 03 23 01 34 25.2 +12 54 22 0.5407 0.5550 24.9 130.8 22.0
2019 03 24 01 32 47.6 +12 07 31 0.5277 0.5526 23.2 134.6 22.3
2019 03 25 01 30 51.9 +11 16 35 0.5151 0.5508 21.4 138.6 22.7
...
2019 03 31 01 13 06.8 +04 48 32 0.4554 0.5544 9.4 163.0 27.9
...
2019 04 08 00 38 44.9 -05 44 12 0.4282 0.5955 14.2 155.6 25.5
...
2019 04 23 23 48 03.6 -19 00 25 0.4939 0.7448 45.2 106.7 20.6
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F71
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