Event between (32532) Thereus and star GA0800:04340471 with event index number of 2196098
Geocentric closest approach at 2027/04/30 01:41:48 UTC
J2000 position of star is 13:13:41.8 -09:05:50
Equinox of date position of star is 13:14:58.3 -09:13:31
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 122 degrees from the moon.
Moon is 39% illuminated.
Apparent brightness V=19.3
Object is 10.2 AU from the Sun
and 9.2 AU from the Earth.
Apparent velocity is 19.8
km/sec on the sky relative to the star, or,
10.6 arcsec/hr.
The 1-sigma error in the time of the event is 33 seconds.
The 1-sigma cross-track error in the shadow position is
465 km.
The object has an absolute magnitude Hv=9.2
Diameter=86.3 km assuming a 5% albedo -- 4.4 sec chord
Diameter=35.2 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 32532, (2027/04/30 01:43UT) Object RA Dec mag sep mel Spica 13:26:38.2 -11:18:11 1.0 3.50 119 PPM 196204 13:09:58.2 -09:07:48 5.5 1.28 124 PPM 196325 13:16:56.6 -08:11:55 8.2 1.13 122 PPM 196286 13:14:38.7 -09:04:34 8.9 0.20 123 32532 13:15:07.7 -09:14:29 16.7 122 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 32532, (2027/04/30 01:43UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 3.50 119 PPM 196204 13:08:32.4 -08:59:05 5.5 1.28 124 PPM 196325 13:15:30.8 -08:03:18 8.2 1.13 122 PPM 196286 13:13:12.9 -08:55:55 8.9 0.20 123 32532 13:13:41.8 -09:05:50 16.7 122 Positions are for J2000
Event circumstances last updated at 2024/04/23 03:27:50 UT
Marc W. Buie, Southwest Research Institute