Event between 10LB136 and star GA0720:32283216 with event index number of 322942
Geocentric closest approach at 2019/10/24 09:39:08 UTC
J2000 position of star is 19:38:54.9 -17:16:30
Equinox of date position of star is 19:40:02.0 -17:13:46
Stellar brightness G=17.0,
use SENSEUP=128
Star is 134 degrees from the moon.
Moon is 19% illuminated.
TNO apparent brightness V=21.2
TNO is 29.0 AU from the Sun
and 29.1 AU from the Earth.
The TNO is moving 10.7
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 182 seconds.
The 1-sigma cross-track error in the shadow position is
1079 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=313.3 km assuming a 5% albedo -- 29.3 sec chord
Diameter=127.9 km assuming a 30% albedo -- 12.0 sec chord
Dynamical classification is 3:2E
Star training set for 10LB136, (2019/10/24 09:39UT) Object RA Dec mag sep mel Antares 16:30:37.5 -26:28:27 0.9 44.67 92 Nunki 18:56:29.5 -26:16:13 2.0 13.55 124 PPM 236251 19:38:12.2 -18:11:08 5.7 1.05 134 PPM 236293 19:40:20.6 -16:51:46 6.7 0.37 134 PPM 236292 19:40:18.9 -17:21:27 9.3 0.14 134 10LB136 19:40:03.3 -17:13:43 17.0 135 Positions are for equinox of date
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 10LB136, (2019/10/24 09:39UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 44.67 92 Nunki 18:55:15.9 -26:17:49 2.0 13.55 124 PPM 236251 19:37:03.4 -18:13:52 5.7 1.05 134 PPM 236293 19:39:12.4 -16:54:33 6.7 0.37 134 PPM 236292 19:39:10.5 -17:24:14 9.3 0.14 134 10LB136 19:38:54.9 -17:16:30 17.0 134 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:48:35 UT
Marc W. Buie, Southwest Research Institute