Event between (505624) 14GU53 and star GA0900:04897752 with event index number of 2451423
Geocentric closest approach at 2025/03/09 15:42:34 UTC
J2000 position of star is 16:57:04.9 +00:06:20
Equinox of date position of star is 16:58:20.0 +00:04:08
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 130 degrees from the moon.
Moon is 80% illuminated.
Apparent brightness V=21.7
Object is 37.6 AU from the Sun
and 37.5 AU from the Earth.
Apparent velocity is 12.3
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 111 seconds.
The 1-sigma cross-track error in the shadow position is
1716 km.
The object has an absolute magnitude Hv=5.8
Diameter=398.1 km assuming a 5% albedo -- 33.2 sec chord
Diameter=162.5 km assuming a 30% albedo -- 13.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 505624, (2025/03/09 15:42UT) Object RA Dec mag sep mel Antares 16:30:57.4 -26:29:08 0.9 27.36 134 1Del Oph 16:15:40.1 -03:45:26 2.7 11.33 123 PPM 179990 17:06:50.2 -00:55:29 5.4 2.34 132 PPM 179951 16:54:15.3 -00:04:31 7.7 1.04 129 PPM 163268 16:56:42.3 +00:03:18 10.0 0.42 129 PPM 163309 16:58:44.4 +00:16:11 10.9 0.22 130 505624 16:58:22.3 +00:04:04 15.8 130 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 505624, (2025/03/09 15:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.36 134 1Del Oph 16:14:20.7 -03:41:43 2.7 11.33 123 PPM 179990 17:05:32.2 -00:53:32 5.4 2.34 132 PPM 179951 16:52:57.8 -00:02:07 7.7 1.04 129 PPM 163268 16:55:24.9 +00:05:37 10.0 0.42 129 PPM 163309 16:57:27.2 +00:18:26 10.9 0.22 130 505624 16:57:04.9 +00:06:20 15.8 130 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:43:23 UT
Marc W. Buie, Southwest Research Institute