Event between (32532) Thereus and star GA0880:03496411 with event index number of 337801
Geocentric closest approach at 2019/05/23 17:30:32 UTC
J2000 position of star is 08:27:43.1 -00:19:04
Equinox of date position of star is 08:28:42.1 -00:22:56
Stellar brightness G=14.0,
use SENSEUP=64
Star is 158 degrees from the moon.
Moon is 77% illuminated.
TNO apparent brightness V=20.5
TNO is 12.5 AU from the Sun
and 12.9 AU from the Earth.
The TNO is moving 20.8
km/sec on the sky relative to the star, or,
8.0 arcsec/hr.
The 1-sigma error in the time of the event is 73 seconds.
The 1-sigma cross-track error in the shadow position is
609 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 4.4 sec chord
Diameter=37.2 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 32532, (2019/05/23 17:31UT) Object RA Dec mag sep mel Regulus 10:09:24.2 +11:52:18 1.3 27.84 150 Alphard 09:28:32.4 -08:44:37 2.0 17.08 144 PPM 177501 08:35:00.4 -02:13:08 6.4 2.42 156 PPM 177453 08:28:42.9 -00:09:09 8.5 0.23 158 32532 08:28:42.6 -00:22:58 14.0 158 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 32532, (2019/05/23 17:31UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 27.84 150 Alphard 09:27:35.2 -08:39:31 2.0 17.08 144 PPM 177501 08:34:01.6 -02:09:06 6.4 2.42 156 PPM 177453 08:27:43.3 -00:05:15 8.5 0.23 158 32532 08:27:43.1 -00:19:04 14.0 158 Positions are for J2000
Event circumstances last updated at 2019/03/20 23:23:40 UT
Marc W. Buie, Southwest Research Institute