Event between (576162) 12GT41 and star GA0820:17726438 with event index number of 2522695
Geocentric closest approach at 2025/11/08 23:25:31 UTC
J2000 position of star is 19:02:33.4 -06:41:49
Equinox of date position of star is 19:03:47.1 -06:39:45
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 157 degrees from the moon.
Moon is 83% illuminated.
TNO apparent brightness V=22.3
TNO is 17.8 AU from the Sun
and 18.2 AU from the Earth.
The TNO is moving 25.0
km/sec on the sky relative to the star, or,
6.8 arcsec/hr.
The 1-sigma error in the time of the event is 91 seconds.
The 1-sigma cross-track error in the shadow position is
1120 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=73.8 km assuming a 5% albedo -- 3.0 sec chord
Diameter=30.1 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 576162, (2025/11/08 23:24UT) Object RA Dec mag sep mel Antares 16:30:59.8 -26:29:13 0.9 41.41 155 Nunki 18:56:52.0 -26:15:44 2.0 19.68 173 12 Aql 19:03:03.7 -05:42:03 3.9 0.98 156 PPM 202443 19:03:12.6 -06:20:27 8.4 0.37 156 PPM 202451 19:03:35.9 -06:40:29 9.4 0.09 157 576162 19:03:56.8 -06:39:28 16.2 156 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 576162, (2025/11/08 23:24UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 41.41 155 Nunki 18:55:15.9 -26:17:49 2.0 19.68 173 12 Aql 19:01:40.8 -05:44:22 3.9 0.98 156 PPM 202443 19:01:49.4 -06:22:46 8.4 0.37 156 PPM 202451 19:02:12.5 -06:42:50 9.4 0.09 157 576162 19:02:33.4 -06:41:49 16.2 157 Positions are for J2000
Event circumstances last updated at 2022/10/29 01:35:35 UT
Marc W. Buie, Southwest Research Institute