Event between (523751) 14UU224 and star GA0980:01095734 with event index number of 2362946
Geocentric closest approach at 2025/08/28 04:06:39 UTC
J2000 position of star is 05:54:07.0 +08:33:40
Equinox of date position of star is 05:55:25.7 +08:33:51
Stellar brightness G=13.3,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 120 degrees from the moon.
Moon is 22% illuminated.
Apparent brightness V=22.2
Object is 30.8 AU from the Sun
and 31.2 AU from the Earth.
Apparent velocity is 18.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 86 seconds.
The 1-sigma cross-track error in the shadow position is
1279 km.
The object has an absolute magnitude Hv=7.1
Diameter=228.0 km assuming a 5% albedo -- 12.3 sec chord
Diameter=93.1 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is 3:2E
Star training set for 523751, (2025/08/28 04:10UT) Object RA Dec mag sep mel Betelgeuse 05:56:33.7 +07:24:35 0.4 1.18 120 Bellatrix 05:26:30.5 +06:22:15 1.6 7.52 127 PPM 149523 05:51:27.5 +09:52:36 6.4 1.65 122 PPM 149627 05:55:52.5 +08:03:26 7.2 0.51 120 PPM 149621 05:55:43.7 +08:23:26 9.1 0.18 120 PPM 149615 05:55:19.5 +08:26:59 10.3 0.12 120 523751 05:55:31.1 +08:33:51 13.3 120 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 523751, (2025/08/28 04:10UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 1.18 120 Bellatrix 05:25:07.8 +06:20:58 1.6 7.52 127 PPM 149523 05:50:02.7 +09:52:15 6.4 1.65 122 PPM 149627 05:54:28.7 +08:03:15 7.2 0.51 120 PPM 149621 05:54:19.8 +08:23:15 9.1 0.18 120 PPM 149615 05:53:55.5 +08:26:47 10.3 0.12 120 523751 05:54:07.0 +08:33:40 13.3 120 Positions are for J2000
Event circumstances last updated at 2024/01/08 05:15:32 UT
Marc W. Buie, Southwest Research Institute