Event between (534625) 14UQ224 and star GA1140:01108831 with event index number of 2388160
Geocentric closest approach at 2025/12/28 16:31:13 UTC
J2000 position of star is 05:18:07.7 +24:52:58
Equinox of date position of star is 05:19:36.8 +24:54:25
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 62 degrees from the moon.
Moon is 60% illuminated.
Apparent brightness V=22.3
Object is 46.5 AU from the Sun
and 45.6 AU from the Earth.
Apparent velocity is 24.8
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 228 seconds.
The 1-sigma cross-track error in the shadow position is
1751 km.
The object has an absolute magnitude Hv=5.6
Diameter=467.8 km assuming a 5% albedo -- 18.9 sec chord
Diameter=191.0 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 534625, (2025/12/28 16:20UT) Object RA Dec mag sep mel Aldebaran 04:37:24.9 +16:33:35 0.8 12.93 52 Alnath 05:27:56.2 +28:37:37 1.6 4.15 64 103 Tau 05:09:41.8 +24:17:49 5.3 2.36 60 PPM 094241 05:19:06.9 +24:02:08 7.9 0.88 62 PPM 094233 05:18:34.9 +25:08:36 10.0 0.35 62 PPM 094247 05:19:34.2 +25:05:25 10.1 0.18 62 534625 05:19:43.5 +24:54:31 16.6 62 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, (2025/12/28 16:20UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 12.93 52 Alnath 05:26:17.6 +28:36:23 1.6 4.15 64 103 Tau 05:08:06.6 +24:15:54 5.3 2.36 60 PPM 094241 05:17:31.7 +24:00:34 7.9 0.88 62 PPM 094233 05:16:59.0 +25:07:01 10.0 0.35 62 PPM 094247 05:17:58.2 +25:03:51 10.1 0.18 62 534625 05:18:07.7 +24:52:58 16.6 62 Positions are for J2000
Event circumstances last updated at 2024/03/04 05:37:48 UT
Marc W. Buie, Southwest Research Institute