Event between (523627) 08QB43 and star GA1180:00078620 with event index number of 2163071
Geocentric closest approach at 2026/09/24 13:36:26 UTC
J2000 position of star is 00:29:44.7 +28:42:48
Equinox of date position of star is 00:31:00.8 +28:50:44
Stellar brightness G=15.4,
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 95% illuminated.
Apparent brightness V=21.6
Object is 37.9 AU from the Sun
and 37.0 AU from the Earth.
Apparent velocity is 24.0
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 86 seconds.
The 1-sigma cross-track error in the shadow position is
1862 km.
The object has an absolute magnitude Hv=5.8
Diameter=407.4 km assuming a 5% albedo -- 17.5 sec chord
Diameter=166.3 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 523627, (2026/09/24 13:37UT) Object RA Dec mag sep mel Deneb 20:42:20.6 +45:22:37 1.3 47.41 59 Algenib 00:14:36.9 +15:19:55 2.8 14.06 36 28 And 00:31:32.3 +29:53:55 5.5 1.04 49 PPM 089798 00:29:13.3 +28:19:18 8.2 0.69 47 PPM 089823 00:30:45.7 +28:58:31 8.7 0.14 48 523627 00:31:09.5 +28:51:39 15.4 48 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 523627, (2026/09/24 13:37UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 47.41 59 Algenib 00:13:14.2 +15:11:01 2.8 14.06 36 28 And 00:30:07.4 +29:45:04 5.5 1.04 49 PPM 089798 00:27:48.7 +28:10:26 8.2 0.69 47 PPM 089823 00:29:21.0 +28:49:40 8.7 0.14 48 523627 00:29:44.7 +28:42:48 15.4 48 Positions are for J2000
Event circumstances last updated at 2023/12/23 04:20:52 UT
Marc W. Buie, Southwest Research Institute