Event between (523703) 14HX199 and star GA0740:06464599 with event index number of 2333311
Geocentric closest approach at 2026/09/29 23:53:14 UTC
J2000 position of star is 16:53:31.2 -14:09:11
Equinox of date position of star is 16:54:50.8 -14:11:24
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 152 degrees from the moon.
Moon is 87% illuminated.
Apparent brightness V=22.3
Object is 30.7 AU from the Sun
and 31.1 AU from the Earth.
Apparent velocity is 18.5
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 115 seconds.
The 1-sigma cross-track error in the shadow position is
1696 km.
The object has an absolute magnitude Hv=7.2
Diameter=221.8 km assuming a 5% albedo -- 12.1 sec chord
Diameter=90.6 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is 3:2E
Star training set for 523703, (2026/09/29 23:57UT) Object RA Dec mag sep mel Antares 16:31:03.1 -26:29:20 0.9 13.51 160 35Eta Oph 17:11:54.8 -15:45:22 2.6 4.36 149 PPM 232182 16:49:58.3 -14:57:17 6.2 1.44 154 PPM 232252 16:53:46.0 -14:24:49 8.3 0.38 153 PPM 232300 16:55:43.8 -14:16:50 9.3 0.19 152 523703 16:55:02.1 -14:11:42 15.0 152 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 523703, (2026/09/29 23:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.51 160 35Eta Oph 17:10:22.7 -15:43:29 2.6 4.36 149 PPM 232182 16:48:27.0 -14:54:34 6.2 1.44 154 PPM 232252 16:52:14.9 -14:22:14 8.3 0.38 153 PPM 232300 16:54:12.8 -14:14:20 9.3 0.19 152 523703 16:53:31.2 -14:09:11 15.0 152 Positions are for J2000
Event circumstances last updated at 2023/05/29 02:46:46 UT
Marc W. Buie, Southwest Research Institute