Event between (328884) 10LJ109 and star GA0460:25831695 with event index number of 155501
Geocentric closest approach at 2018/10/25 07:30:30 UTC
J2000 position of star is 18:14:04.0 -43:30:28
Equinox of date position of star is 18:15:25.4 -43:30:04
Stellar brightness G=16.0,
use SENSEUP=128
Star is 122 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=21.7
TNO is 12.7 AU from the Sun
and 13.1 AU from the Earth.
The TNO is moving 23.8
km/sec on the sky relative to the star, or,
9.0 arcsec/hr.
The 1-sigma error in the time of the event is 271 seconds.
The 1-sigma cross-track error in the shadow position is
2445 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.0 km assuming a 5% albedo -- 2.3 sec chord
Diameter=22.4 km assuming a 30% albedo -- 0.9 sec chord
Dynamical classification is CENTAURR
Star training set for 328884, (2018/10/25 07:31UT) Object RA Dec mag sep mel Antares 16:30:33.8 -26:28:20 0.9 27.21 148 The Sco 17:38:40.4 -43:00:28 1.9 6.71 128 PPM 323894 18:17:15.8 -44:11:55 5.4 0.77 121 PPM 323863 18:15:10.1 -43:11:52 6.9 0.31 122 PPM 323869 18:15:22.4 -43:44:01 8.8 0.23 122 328884 18:15:25.6 -43:30:04 16.0 122 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, (2018/10/25 07:31UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.21 148 The Sco 17:37:19.2 -42:59:52 1.9 6.71 128 PPM 323894 18:15:53.6 -44:12:23 5.4 0.77 121 PPM 323863 18:13:48.7 -43:12:16 6.9 0.31 122 PPM 323869 18:14:00.5 -43:44:26 8.8 0.23 122 328884 18:14:04.0 -43:30:28 16.0 122 Positions are for J2000
Event circumstances last updated at 2018/10/04 18:56:11 UT
Marc W. Buie, Southwest Research Institute