Event between (534625) 14UQ224 and star GA1140:01119403 with event index number of 2388159
Geocentric closest approach at 2025/12/16 16:50:47 UTC
J2000 position of star is 05:19:06.2 +24:53:59
Equinox of date position of star is 05:20:35.3 +24:55:23
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 148 degrees from the moon.
Moon is 10% illuminated.
Apparent brightness V=22.2
Object is 46.5 AU from the Sun
and 45.5 AU from the Earth.
Apparent velocity is 25.9
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 218 seconds.
The 1-sigma cross-track error in the shadow position is
1828 km.
The object has an absolute magnitude Hv=5.6
Diameter=467.8 km assuming a 5% albedo -- 18.1 sec chord
Diameter=191.0 km assuming a 30% albedo -- 7.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 534625, (2025/12/16 16:50UT) Object RA Dec mag sep mel Aldebaran 04:37:24.8 +16:33:34 0.8 13.12 156 Alnath 05:27:56.1 +28:37:37 1.6 4.04 146 103 Tau 05:09:41.7 +24:17:49 5.3 2.58 150 PPM 094241 05:19:06.7 +24:02:08 7.9 0.96 148 PPM 094279 05:21:46.6 +25:02:25 9.3 0.27 147 PPM 094259 05:20:36.2 +24:45:33 11.6 0.17 147 534625 05:20:41.8 +24:55:29 17.0 147 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 534625, (2025/12/16 16:50UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 13.12 156 Alnath 05:26:17.6 +28:36:23 1.6 4.04 146 103 Tau 05:08:06.6 +24:15:54 5.3 2.58 150 PPM 094241 05:17:31.7 +24:00:34 7.9 0.96 148 PPM 094279 05:20:10.8 +25:00:57 9.3 0.27 147 PPM 094259 05:19:00.7 +24:44:02 11.6 0.17 147 534625 05:19:06.2 +24:53:59 17.0 147 Positions are for J2000
Event circumstances last updated at 2024/03/04 05:37:31 UT
Marc W. Buie, Southwest Research Institute