Event between (558224) 14YC50 and star GA1180:03324874 with event index number of 2632242
Geocentric closest approach at 2026/03/28 15:14:59 UTC
J2000 position of star is 10:07:58.8 +29:02:32
Equinox of date position of star is 10:09:21.5 +28:55:23
Stellar brightness G=13.7,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 17 degrees from the moon.
Moon is 80% illuminated.
Apparent brightness V=22.3
Object is 37.5 AU from the Sun
and 36.8 AU from the Earth.
Apparent velocity is 17.3
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 214 seconds.
The 1-sigma cross-track error in the shadow position is
1523 km.
The object has an absolute magnitude Hv=6.5
Diameter=300.6 km assuming a 5% albedo -- 17.3 sec chord
Diameter=122.7 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 558224, (2026/03/28 15:24UT) Object RA Dec mag sep mel Regulus 10:09:46.1 +11:50:17 1.3 17.08 16 23 LMi 10:17:43.5 +29:10:44 5.3 1.82 19 PPM 100100 10:08:44.7 +29:06:33 8.5 0.25 17 558224 10:09:28.6 +28:54:47 13.7 17 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 558224, (2026/03/28 15:24UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 17.08 16 23 LMi 10:16:14.3 +29:18:38 5.3 1.82 19 PPM 100100 10:07:14.8 +29:14:17 8.5 0.25 17 558224 10:07:58.8 +29:02:32 13.7 17 Positions are for J2000
Event circumstances last updated at 2024/03/04 05:48:36 UT
Marc W. Buie, Southwest Research Institute