Event between (533396) 14GQ53 and star GA0800:10078020 with event index number of 2590848
Geocentric closest approach at 2026/05/19 23:13:21 UTC
J2000 position of star is 18:26:48.4 -09:28:56
Equinox of date position of star is 18:28:01.1 -09:28:03
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon.
Moon is 14% illuminated.
TNO apparent brightness V=22.9
TNO is 22.1 AU from the Sun
and 21.3 AU from the Earth.
The TNO is moving 17.1
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 229 seconds.
The 1-sigma cross-track error in the shadow position is
1395 km.
The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 4.7 sec chord
Diameter=32.6 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 533396, (2026/05/19 23:13UT) Object RA Dec mag sep mel Antares 16:31:01.8 -26:29:17 0.9 32.52 147 60Bet Oph 17:44:46.6 +04:33:29 2.8 17.72 144 Zet Sct 18:25:06.3 -08:55:07 4.2 0.95 160 PPM 201757 18:28:00.3 -09:11:03 7.7 0.29 161 PPM 201748 18:27:27.9 -09:26:30 8.8 0.20 161 533396 18:28:15.4 -09:27:53 14.8 161 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 533396, (2026/05/19 23:13UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.52 147 60Bet Oph 17:43:28.3 +04:34:06 2.8 17.72 144 Zet Sct 18:23:39.7 -08:56:03 4.2 0.95 160 PPM 201757 18:26:33.5 -09:12:06 7.7 0.29 161 PPM 201748 18:26:00.9 -09:27:31 8.8 0.20 161 533396 18:26:48.4 -09:28:56 14.8 161 Positions are for J2000
Event circumstances last updated at 2022/01/13 00:22:56 UT
Marc W. Buie, Southwest Research Institute