Event between (31824) Elatus and star GA0760:05058405 with event index number of 2195662
Geocentric closest approach at 2026/05/20 16:09:05 UTC
J2000 position of star is 14:47:43.6 -12:09:18
Equinox of date position of star is 14:49:02.6 -12:15:18
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 109 degrees from the moon.
Moon is 21% illuminated.
Apparent brightness V=21.9
Object is 14.6 AU from the Sun
and 13.6 AU from the Earth.
Apparent velocity is 22.0
km/sec on the sky relative to the star, or,
8.0 arcsec/hr.
The 1-sigma error in the time of the event is 98 seconds.
The 1-sigma cross-track error in the shadow position is
1106 km.
The object has an absolute magnitude Hv=10.3
Diameter=56.5 km assuming a 5% albedo -- 2.4 sec chord
Diameter=23.1 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 31824, (2026/05/20 16:09UT) Object RA Dec mag sep mel Spica 13:26:35.2 -11:17:53 1.0 20.23 90 27Bet Lib 15:18:25.9 -09:28:43 2.6 7.71 115 13Xi 1Lib 14:55:49.1 -12:00:16 5.9 1.65 111 PPM 229299 14:49:21.6 -12:56:58 6.6 0.69 110 PPM 229295 14:49:10.0 -12:28:51 8.6 0.22 109 31824 14:49:09.8 -12:15:51 14.1 110 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 31824, (2026/05/20 16:09UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 20.23 90 27Bet Lib 15:17:00.3 -09:22:59 2.6 7.71 115 13Xi 1Lib 14:54:22.8 -11:53:54 5.9 1.65 111 PPM 229299 14:47:55.0 -12:50:26 6.6 0.69 110 PPM 229295 14:47:43.6 -12:22:18 8.6 0.22 109 31824 14:47:43.6 -12:09:18 14.1 109 Positions are for J2000
Event circumstances last updated at 2024/03/05 04:25:23 UT
Marc W. Buie, Southwest Research Institute