Event between (416400) 03UZ117 and star GA0900:00593552 with event index number of 2376758
Geocentric closest approach at 2025/09/02 23:00:16 UTC
J2000 position of star is 05:12:15.7 +01:02:25
Equinox of date position of star is 05:13:30.7 +01:04:04
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 145 degrees from the moon.
Moon is 75% illuminated.
Apparent brightness V=21.2
Object is 38.5 AU from the Sun
and 38.6 AU from the Earth.
Apparent velocity is 14.7
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 109 seconds.
The 1-sigma cross-track error in the shadow position is
1611 km.
The object has an absolute magnitude Hv=5.2
Diameter=522.4 km assuming a 5% albedo -- 36.5 sec chord
Diameter=213.3 km assuming a 30% albedo -- 14.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 416400, (2025/09/02 22:57UT) Object RA Dec mag sep mel Rigel 05:15:46.4 -08:10:26 0.1 9.26 137 34Del Ori 05:33:19.2 -00:16:56 2.2 5.11 146 PPM 148621 05:14:51.6 +01:59:45 6.4 0.98 145 PPM 148581 05:13:04.9 +01:03:58 6.7 0.13 144 416400 05:13:35.3 +01:04:10 15.5 145 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 416400, (2025/09/02 22:57UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 9.26 137 34Del Ori 05:32:00.4 -00:17:57 2.2 5.11 146 PPM 148621 05:13:31.5 +01:58:03 6.4 0.98 145 PPM 148581 05:11:45.3 +01:02:12 6.7 0.13 144 416400 05:12:15.7 +01:02:25 15.5 144 Positions are for J2000
Event circumstances last updated at 2024/03/04 05:36:02 UT
Marc W. Buie, Southwest Research Institute