Event between (523682) 14CN23 and star GA0500:18407532 with event index number of 2650099
Geocentric closest approach at 2025/07/21 19:37:15 UTC
J2000 position of star is 17:27:19.0 -38:07:03
Equinox of date position of star is 17:28:59.7 -38:08:11
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 170 degrees from the moon.
Moon is 12% illuminated.
Apparent brightness V=21.1
Object is 16.1 AU from the Sun
and 15.3 AU from the Earth.
Apparent velocity is 17.3
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 360 seconds.
The 1-sigma cross-track error in the shadow position is
2611 km.
The object has an absolute magnitude Hv=8.9
Diameter=104.7 km assuming a 5% albedo -- 5.8 sec chord
Diameter=42.8 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 523682, (2025/07/21 19:37UT) Object RA Dec mag sep mel Antares 16:30:58.7 -26:29:11 0.9 16.88 170 34Ups Sco 17:32:30.2 -37:18:49 2.7 1.07 170 PPM 296260 17:24:24.0 -37:49:38 6.4 0.97 170 PPM 296359 17:29:06.7 -38:04:53 8.0 0.06 170 523682 17:29:04.1 -38:08:14 16.5 170 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 523682, (2025/07/21 19:37UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.88 170 34Ups Sco 17:30:45.8 -37:17:46 2.7 1.07 170 PPM 296260 17:22:39.2 -37:48:17 6.4 0.97 170 PPM 296359 17:27:21.7 -38:03:42 8.0 0.06 170 523682 17:27:19.0 -38:07:03 16.5 170 Positions are for J2000
Event circumstances last updated at 2024/06/18 02:51:05 UT
Marc W. Buie, Southwest Research Institute