Event between (523751) 14UU224 and star GA0980:00878259 with event index number of 2362915
Geocentric closest approach at 2025/04/12 01:21:22 UTC
J2000 position of star is 05:36:54.3 +08:26:40
Equinox of date position of star is 05:38:12.9 +08:27:28
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon.
Moon is 99% illuminated.
Apparent brightness V=22.2
Object is 30.8 AU from the Sun
and 31.2 AU from the Earth.
Apparent velocity is 20.7
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 72 seconds.
The 1-sigma cross-track error in the shadow position is
1234 km.
The object has an absolute magnitude Hv=7.1
Diameter=228.0 km assuming a 5% albedo -- 11.1 sec chord
Diameter=93.1 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 3:2E
Star training set for 523751, (2025/04/12 01:26UT) Object RA Dec mag sep mel Betelgeuse 05:56:32.5 +07:24:35 0.4 4.64 102 Bellatrix 05:26:29.3 +06:22:14 1.6 3.59 110 PPM 149227 05:38:42.4 +08:57:56 5.8 0.52 107 PPM 149259 05:39:44.6 +08:30:01 7.9 0.36 107 PPM 149178 05:36:50.9 +08:29:11 10.4 0.36 107 523751 05:38:17.0 +08:27:30 16.2 107 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, (2025/04/12 01:26UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 4.64 102 Bellatrix 05:25:07.8 +06:20:58 1.6 3.59 110 PPM 149227 05:37:19.3 +08:57:08 5.8 0.52 107 PPM 149259 05:38:21.8 +08:29:15 7.9 0.36 107 PPM 149178 05:35:28.2 +08:28:19 10.4 0.36 107 523751 05:36:54.3 +08:26:40 16.2 107 Positions are for J2000
Event circumstances last updated at 2024/01/08 05:13:38 UT
Marc W. Buie, Southwest Research Institute