Event between (536921) 15FO345 and star GA0900:04412082 with event index number of 2389348
Geocentric closest approach at 2026/03/24 16:01:34 UTC
J2000 position of star is 15:56:01.9 +00:23:17
Equinox of date position of star is 15:57:14.0 +00:19:16
Stellar brightness G=14.9,
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 37% illuminated.
Apparent brightness V=22.9
Object is 36.5 AU from the Sun
and 35.9 AU from the Earth.
Apparent velocity is 15.1
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 482 seconds.
The 1-sigma cross-track error in the shadow position is
5048 km.
The object has an absolute magnitude Hv=7.2
Diameter=229.1 km assuming a 5% albedo -- 14.8 sec chord
Diameter=93.5 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is SCATEXTD
Star training set for 536921, (2026/03/24 16:02UT) Object RA Dec mag sep mel Antares 16:31:01.2 -26:29:16 0.9 28.00 171 1Del Oph 16:15:43.4 -03:45:35 2.7 6.13 152 25 Ser 15:47:27.2 -01:53:05 5.3 3.31 147 PPM 179672 15:53:56.2 -01:06:29 8.2 1.66 147 PPM 162054 15:56:43.4 +00:00:07 9.1 0.35 147 536921 15:57:22.4 +00:18:48 14.9 147 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 536921, (2026/03/24 16:02UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 28.00 171 1Del Oph 16:14:20.7 -03:41:43 2.7 6.13 152 25 Ser 15:46:05.6 -01:48:16 5.3 3.31 147 PPM 179672 15:52:35.0 -01:01:53 8.2 1.66 147 PPM 162054 15:55:22.8 +00:04:38 9.1 0.35 147 536921 15:56:01.9 +00:23:17 14.9 146 Positions are for J2000
Event circumstances last updated at 2023/07/05 02:43:59 UT
Marc W. Buie, Southwest Research Institute