Event between (416400) 03UZ117 and star GA0900:00561004 with event index number of 2376771
Geocentric closest approach at 2025/12/29 19:09:24 UTC
J2000 position of star is 05:06:21.1 +00:10:06
Equinox of date position of star is 05:07:35.5 +00:11:57
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 48 degrees from the moon.
Moon is 72% illuminated.
Apparent brightness V=21.1
Object is 38.5 AU from the Sun
and 37.6 AU from the Earth.
Apparent velocity is 23.2
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 73 seconds.
The 1-sigma cross-track error in the shadow position is
1381 km.
The object has an absolute magnitude Hv=5.2
Diameter=522.4 km assuming a 5% albedo -- 23.1 sec chord
Diameter=213.3 km assuming a 30% albedo -- 9.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 416400, (2025/12/29 19:11UT) Object RA Dec mag sep mel Rigel 05:15:47.3 -08:10:25 0.1 8.61 54 67Bet Eri 05:09:07.8 -05:03:17 2.8 5.27 51 10Pi 6Ori 04:59:53.8 +01:45:07 6.0 2.49 46 PPM 148461 05:08:25.9 +00:07:17 8.2 0.20 48 PPM 148435 05:07:18.3 +00:12:16 10.4 0.10 48 416400 05:07:41.1 +00:12:06 16.4 49 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, (2025/12/29 19:11UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 8.61 54 67Bet Eri 05:07:50.8 -05:05:13 2.8 5.27 51 10Pi 6Ori 04:58:32.8 +01:42:51 6.0 2.49 46 PPM 148461 05:07:05.9 +00:05:20 8.2 0.20 48 PPM 148435 05:05:58.3 +00:10:16 10.4 0.10 48 416400 05:06:21.1 +00:10:06 16.4 48 Positions are for J2000
Event circumstances last updated at 2024/03/04 05:37:58 UT
Marc W. Buie, Southwest Research Institute