Event between (523697) 14GY53 and star GA0860:04610105 with event index number of 2621313
Geocentric closest approach at 2025/06/16 23:01:05 UTC
J2000 position of star is 15:46:18.8 -03:01:56
Equinox of date position of star is 15:47:35.4 -03:06:24
Stellar brightness G=14.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon.
Moon is 70% illuminated.
Apparent brightness V=22.1
Object is 33.6 AU from the Sun
and 32.8 AU from the Earth.
Apparent velocity is 20.4
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 72 seconds.
The 1-sigma cross-track error in the shadow position is
1225 km.
The object has an absolute magnitude Hv=6.8
Diameter=261.8 km assuming a 5% albedo -- 13.1 sec chord
Diameter=106.9 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is 3:2E
Star training set for 523697, (2025/06/16 23:01UT) Object RA Dec mag sep mel Antares 16:30:58.4 -26:29:10 0.9 25.58 83 1Del Oph 16:15:40.9 -03:45:28 2.7 7.03 91 PPM 198970 15:50:17.0 -03:53:42 6.0 1.02 97 PPM 198977 15:50:31.9 -03:18:37 8.3 0.75 97 PPM 179643 15:48:35.9 -02:41:40 9.5 0.48 98 PPM 198945 15:48:03.9 -03:29:32 10.1 0.40 98 523697 15:47:38.6 -03:06:35 14.4 98 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 523697, (2025/06/16 23:01UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 25.58 83 1Del Oph 16:14:20.7 -03:41:43 2.7 7.03 91 PPM 198970 15:48:56.7 -03:49:07 6.0 1.02 97 PPM 198977 15:49:12.0 -03:14:02 8.3 0.75 97 PPM 179643 15:47:16.3 -02:37:02 9.5 0.48 98 PPM 198945 15:46:43.9 -03:24:53 10.1 0.40 98 523697 15:46:18.8 -03:01:56 14.4 98 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:55:32 UT
Marc W. Buie, Southwest Research Institute