Event between 05LB54 and star GA0660:23723754 with event index number of 1943732
Geocentric closest approach at 2026/02/25 04:52:36 UTC
J2000 position of star is 18:11:12.7 -23:10:10
Equinox of date position of star is 18:12:39.8 -23:09:45
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 162 degrees from the moon.
Moon is 58% illuminated.
Apparent brightness V=22.1
Object is 41.6 AU from the Sun
and 42.1 AU from the Earth.
Apparent velocity is 18.4
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 1390 seconds.
The 1-sigma cross-track error in the shadow position is
5368 km.
The object has an absolute magnitude Hv=5.7
Diameter=440.6 km assuming a 5% albedo -- 23.9 sec chord
Diameter=179.9 km assuming a 30% albedo -- 9.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 05LB54, (2026/02/25 04:53UT) Object RA Dec mag sep mel Antares 16:31:00.9 -26:29:16 0.9 23.29 174 Nunki 18:56:53.1 -26:15:42 2.0 10.48 153 11 Sgr 18:13:19.1 -23:41:37 4.5 0.54 162 PPM 268008 18:12:43.8 -23:20:37 8.2 0.18 162 05LB54 18:12:48.1 -23:09:42 16.6 162 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 05LB54, (2026/02/25 04:53UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 23.29 174 Nunki 18:55:15.9 -26:17:49 2.0 10.48 153 11 Sgr 18:11:43.4 -23:42:05 4.5 0.54 162 PPM 268008 18:11:08.3 -23:21:04 8.2 0.18 162 05LB54 18:11:12.7 -23:10:10 16.6 162 Positions are for J2000
Event circumstances last updated at 2023/11/17 04:53:42 UT
Marc W. Buie, Southwest Research Institute