Event between (328884) 10LJ109 and star GA0440:28767343 with event index number of 118798
Geocentric closest approach at 2018/06/10 20:48:18 UTC
J2000 position of star is 18:27:29.3 -45:03:08
Equinox of date position of star is 18:28:50.4 -45:02:23
Stellar brightness G=15.5,
use SENSEUP=128
Star is 119 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=21.2
TNO is 12.5 AU from the Sun
and 11.6 AU from the Earth.
The TNO is moving 20.9
km/sec on the sky relative to the star, or,
8.9 arcsec/hr.
The 1-sigma error in the time of the event is 324 seconds.
The 1-sigma cross-track error in the shadow position is
2324 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.0 km assuming a 5% albedo -- 2.6 sec chord
Diameter=22.4 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 328884, (2018/06/10 20:48UT) Object RA Dec mag sep mel Antares 16:30:32.5 -26:28:17 0.9 30.06 148 The Sco 17:38:38.8 -43:00:28 1.9 9.24 128 Alp Tel 18:28:20.4 -45:57:23 3.5 0.92 119 PPM 324066 18:26:38.4 -44:34:52 8.0 0.60 120 PPM 324092 18:27:48.4 -45:08:09 9.8 0.21 119 328884 18:28:50.5 -45:02:23 15.5 119 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 328884, (2018/06/10 20:48UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 30.06 148 The Sco 17:37:19.2 -42:59:52 1.9 9.24 128 Alp Tel 18:26:58.4 -45:58:07 3.5 0.92 119 PPM 324066 18:25:17.6 -44:35:34 8.0 0.60 120 PPM 324092 18:26:27.1 -45:08:52 9.8 0.21 119 328884 18:27:29.3 -45:03:08 15.5 119 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:07:16 UT
Marc W. Buie, Southwest Research Institute