MPEC 2019-O18 : 2018 TO2
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M.P.E.C. 2019-O18 Issued 2019 July 18, 15:38 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 TO2
Revision to MPEC 2018-T105
Additional Observations:
K18T02O C2011 09 23.56729502 11 33.312+23 29 03.60 21.0 GVEO018F51
K18T02O C2011 09 23.57916302 11 31.974+23 28 44.47 22.0 GVEO018F51
K18T02O C2011 10 18.31602901 13 39.994+08 07 38.46 20.3 GVEO018F51
K18T02O C2011 10 18.35841401 13 33.334+08 05 47.20 20.8 GVEO018F51
K18T02O C2011 10 18.37117801 13 31.341+08 05 13.90 21.1 GVEO018F51
K18T02O C2011 10 25.32222600 56 24.535+03 04 23.70 20.0 GVEO018F51
K18T02O C2011 10 25.33451200 56 22.755+03 03 52.48 20.3 GVEO018F51
K18T02O C2012 10 04.43382623 20 06.293+29 11 46.21 21.4 GVEO018F51
K18T02O C2012 10 04.44597723 20 04.750+29 11 08.94 21.8 GVEO018F51
K18T02O C2012 11 01.23784622 51 38.179+08 23 55.58 21.1 GVEO018F51
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
110923 F51 0.04- 0.02- 121101 F51 0.03- 0.01- MPO473505 0.00 days
Orbital elements:
2018 TO2 Earth MOID = 0.5402 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 24.29197 (2000.0) P Q
n 0.85355303 Peri. 353.81434 -0.94756271 +0.17974190
a 1.1006495 Node 202.67912 -0.25589278 -0.92204072
e 0.5952482 Incl. 43.25911 -0.19142568 +0.34283196
P 1.15 H 20.0 G 0.15 U 3
Residuals in seconds of arc
110923 F51 0.2- 0.2- 181005 I52 0.2- 1.1- 181018 G96 0.1+ 0.1-
110923 F51 0.2- 0.1- 181005 I52 0.7- 0.3- 181018 G96 0.3+ 0.1+
111018 F51 0.2+ 0.0 181005 711 0.7+ 0.0 181018 G96 0.1+ 0.3+
111018 F51 0.0 0.1- 181005 711 0.2+ 0.2- 181021 I52 0.1- 0.3-
111018 F51 0.1+ 0.1+ 181005 711 0.3+ 0.2- 181021 I52 0.7- 0.2-
111025 F51 0.0 0.2+ 181005 291 0.3- 0.1+ 181021 I52 0.7- 0.4-
111025 F51 0.1+ 0.1+ 181005 291 0.3- 0.3+ 181021 I52 0.3- 0.6-
121004 F51 0.1+ 0.0 181005 291 0.2- 0.3+ 181027 I52 (2.2+ 0.9+)
121004 F51 0.0 0.0 181005 I52 (8.1- 0.8-) 181027 I52 0.5+ 0.0
121101 F51 0.1- 0.2+ 181005 K88 0.2- 0.2+ 181027 I52 0.2+ 0.4-
181004 F52 0.2- 0.1- 181006 K88 0.1- 0.2+ 181028 I52 0.3+ 0.2+
181004 F52 0.1+ 0.1+ 181006 K88 0.5- 0.2+ 181028 I52 0.1+ 0.7+
181004 F52 0.1+ 0.0 181008 291 0.7- 0.1+ 181028 I52 0.1+ 0.7-
181004 F52 0.3- 0.1- 181008 291 0.4- 0.2+ 181106 G96 1.0+ 0.5+
181004 K88 0.3- 0.2+ 181008 291 0.4- 0.3+ 181106 G96 0.6+ 0.2+
181005 K88 0.1- 0.3+ 181018 I52 0.1- 0.2- 181106 G96 0.3+ 0.3-
181005 L01 0.0 0.1+ 181018 G96 0.2+ 0.2+ 181127 807 0.3+ 0.2-
181005 L01 0.2- 0.3+ 181018 I52 0.1+ 0.6- 181127 807 0.1+ 0.1-
181005 L01 0.3+ 0.3+ 181018 I52 0.1- 0.0 181127 807 0.1+ 0.1-
181005 I52 0.2+ 0.2- 181018 I52 0.2+ 0.2-
Ephemeris:
2018 TO2 a,e,i = 1.10, 0.60, 43 q = 0.4455
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 06 18 01 14 48.7 +37 49 42 1.4171 1.2372 58.4 44.4 22.9
...
2019 07 03 01 36 43.2 +39 15 56 1.3971 1.3555 66.2 43.3 23.1
...
2019 07 11 01 46 21.2 +39 52 12 1.3672 1.4115 70.9 42.9 23.1
...
2019 07 17 01 52 28.4 +40 14 41 1.3371 1.4504 74.7 42.5 23.1
2019 07 18 01 53 23.5 +40 18 01 1.3315 1.4566 75.4 42.5 23.1
2019 07 19 01 54 16.9 +40 21 13 1.3258 1.4627 76.0 42.4 23.1
...
2019 07 25 01 58 56.5 +40 37 44 1.2879 1.4982 80.2 41.9 23.1
...
2019 08 02 02 03 07.5 +40 51 17 1.2297 1.5416 86.2 41.1 23.0
...
2019 08 17 02 03 11.6 +40 39 14 1.1032 1.6115 99.1 38.3 22.8
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-O18
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