Event between (545293) 11FX62 and star GA0540:09376143 with event index number of 2398551
Geocentric closest approach at 2028/05/10 21:42:36 UTC
J2000 position of star is 16:13:46.3 -34:04:27
Equinox of date position of star is 16:15:17.7 -34:07:56
Stellar brightness G=16.6,
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 95% illuminated.
Apparent brightness V=22.0
Object is 30.4 AU from the Sun
and 29.4 AU from the Earth.
Apparent velocity is 22.7
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 186 seconds.
The 1-sigma cross-track error in the shadow position is
1191 km.
The object has an absolute magnitude Hv=7.2
Diameter=219.8 km assuming a 5% albedo -- 9.7 sec chord
Diameter=89.7 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CENTAURR
Star training set for 545293, (2028/05/10 21:45UT) Object RA Dec mag sep mel Antares 16:31:09.1 -26:29:32 0.9 8.35 8 Eta Lup 16:02:00.6 -38:28:30 2.8 5.12 18 PPM 294827 16:16:11.7 -33:04:51 5.9 1.07 13 PPM 294806 16:15:02.7 -34:22:38 7.9 0.26 14 PPM 294814 16:15:19.7 -34:04:24 10.0 0.09 13 545293 16:15:36.5 -34:08:39 16.6 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 545293, (2028/05/10 21:45UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.35 8 Eta Lup 16:00:07.3 -38:23:48 2.8 5.12 18 PPM 294827 16:14:22.3 -33:00:40 5.9 1.07 13 PPM 294806 16:13:12.3 -34:18:25 7.9 0.26 14 PPM 294814 16:13:29.6 -34:00:11 10.0 0.09 13 545293 16:13:46.3 -34:04:27 16.6 13 Positions are for J2000
Event circumstances last updated at 2023/07/07 03:09:47 UT
Marc W. Buie, Southwest Research Institute