Event between (523672) 13FJ28 and star GA0880:04166002 with event index number of 2458461
Geocentric closest approach at 2025/07/31 15:16:45 UTC
J2000 position of star is 13:27:28.4 -01:32:12
Equinox of date position of star is 13:28:43.9 -01:39:47
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 13 degrees from the moon.
Moon is 42% illuminated.
Apparent brightness V=21.7
Object is 22.9 AU from the Sun
and 23.2 AU from the Earth.
Apparent velocity is 15.4
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is
1241 km.
The object has an absolute magnitude Hv=7.8
Diameter=173.8 km assuming a 5% albedo -- 10.9 sec chord
Diameter=70.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURR
Star training set for 523672, (2025/07/31 15:16UT) Object RA Dec mag sep mel Spica 13:26:32.7 -11:17:38 1.0 9.64 5 PPM 179046 13:27:30.2 -01:19:29 6.0 0.47 14 PPM 179051 13:28:44.5 -01:12:06 9.8 0.47 14 PPM 179048 13:28:32.0 -01:25:47 10.7 0.25 13 523672 13:28:47.4 -01:40:07 16.0 13 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 523672, (2025/07/31 15:16UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 9.64 5 PPM 179046 13:26:11.3 -01:11:33 6.0 0.47 14 PPM 179051 13:27:25.6 -01:04:11 9.8 0.47 14 PPM 179048 13:27:13.1 -01:17:52 10.7 0.25 13 523672 13:27:28.4 -01:32:12 16.0 13 Positions are for J2000
Event circumstances last updated at 2024/06/18 02:51:43 UT
Marc W. Buie, Southwest Research Institute