Event between (533559) 14JG80 and star GA0740:09456551 with event index number of 2587797
Geocentric closest approach at 2026/02/20 23:46:44 UTC
J2000 position of star is 17:36:14.8 -15:32:59
Equinox of date position of star is 17:37:33.4 -15:33:45
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 111 degrees from the moon.
Moon is 14% illuminated.
TNO apparent brightness V=22.4
TNO is 26.7 AU from the Sun
and 27.0 AU from the Earth.
The TNO is moving 16.0
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 161 seconds.
The 1-sigma cross-track error in the shadow position is
1903 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 10.0 sec chord
Diameter=64.4 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is CENTAURR
Star training set for 533559, (2026/02/20 23:45UT) Object RA Dec mag sep mel Antares 16:31:00.9 -26:29:16 0.9 18.99 127 35Eta Oph 17:11:52.8 -15:45:19 2.6 6.23 117 PPM 233351 17:39:06.3 -15:35:05 6.2 0.33 111 PPM 233314 17:37:51.9 -15:29:58 8.3 0.07 111 533559 17:37:44.8 -15:33:51 14.7 111 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 533559, (2026/02/20 23:45UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.99 127 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.23 117 PPM 233351 17:37:36.2 -15:34:15 6.2 0.33 111 PPM 233314 17:36:21.9 -15:29:06 8.3 0.07 111 533559 17:36:14.8 -15:32:59 14.7 111 Positions are for J2000
Event circumstances last updated at 2022/11/01 01:33:32 UT
Marc W. Buie, Southwest Research Institute