Event between (32532) Thereus and star GA0880:03623540 with event index number of 262602
Geocentric closest approach at 2020/05/19 01:59:46 UTC
J2000 position of star is 08:55:20.7 -01:33:17
Equinox of date position of star is 08:56:16.9 -01:37:33
Stellar brightness G=15.9,
use SENSEUP=128
Star is 115 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=20.4
TNO is 12.4 AU from the Sun
and 12.5 AU from the Earth.
The TNO is moving 16.4
km/sec on the sky relative to the star, or,
6.5 arcsec/hr.
The 1-sigma error in the time of the event is 71 seconds.
The 1-sigma cross-track error in the shadow position is
635 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 5.5 sec chord
Diameter=37.2 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 32532, (2020/05/19 02:00UT) Object RA Dec mag sep mel Regulus 10:09:27.4 +11:52:01 1.3 22.62 132 Alphard 09:28:35.3 -08:44:53 2.0 10.72 123 PPM 177601 08:48:16.9 -01:58:22 5.3 2.05 113 PPM 177674 08:58:29.5 -01:11:48 8.5 0.68 116 PPM 177659 08:56:08.6 -01:49:20 9.7 0.20 115 32532 08:56:22.9 -01:38:00 15.9 116 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, (2020/05/19 02:00UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 22.62 132 Alphard 09:27:35.2 -08:39:31 2.0 10.72 123 PPM 177601 08:47:14.9 -01:53:49 5.3 2.05 113 PPM 177674 08:57:27.2 -01:07:02 8.5 0.68 116 PPM 177659 08:55:06.5 -01:44:36 9.7 0.20 115 32532 08:55:20.7 -01:33:17 15.9 115 Positions are for J2000
Event circumstances last updated at 2018/05/31 17:32:02 UT
Marc W. Buie, Southwest Research Institute