Event between (545293) 11FX62 and star GA0560:07932399 with event index number of 2398172
Geocentric closest approach at 2025/06/20 20:44:35 UTC
J2000 position of star is 15:33:32.6 -33:50:22
Equinox of date position of star is 15:35:01.8 -33:55:02
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 27% illuminated.
Apparent brightness V=21.8
Object is 28.6 AU from the Sun
and 27.7 AU from the Earth.
Apparent velocity is 20.2
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 106 seconds.
The 1-sigma cross-track error in the shadow position is
1672 km.
The object has an absolute magnitude Hv=7.2
Diameter=219.8 km assuming a 5% albedo -- 10.9 sec chord
Diameter=89.7 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CENTAURR
Star training set for 545293, (2025/06/20 20:46UT) Object RA Dec mag sep mel Antares 16:30:58.4 -26:29:11 0.9 14.15 137 Eta Lup 16:01:49.1 -38:28:01 2.8 7.04 139 PPM 293961 15:33:26.2 -32:57:59 6.5 1.02 147 PPM 293994 15:35:27.3 -33:27:38 8.5 0.47 146 PPM 293999 15:35:39.2 -33:49:25 9.8 0.14 146 545293 15:35:09.3 -33:55:25 15.6 146 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 545293, (2025/06/20 20:46UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.15 137 Eta Lup 16:00:07.3 -38:23:48 2.8 7.04 139 PPM 293961 15:31:50.2 -32:52:53 6.5 1.02 147 PPM 293994 15:33:50.9 -33:22:35 8.5 0.47 146 PPM 293999 15:34:02.6 -33:44:23 9.8 0.14 146 545293 15:33:32.6 -33:50:22 15.6 146 Positions are for J2000
Event circumstances last updated at 2023/07/05 02:39:11 UT
Marc W. Buie, Southwest Research Institute