Event between (543354) 14AN55 and star GA0920:03450653 with event index number of 2257279
Geocentric closest approach at 2026/03/23 20:33:44 UTC
J2000 position of star is 10:08:02.2 +03:40:03
Equinox of date position of star is 10:09:17.9 +03:32:52
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 86 degrees from the moon.
Moon is 28% illuminated.
Apparent brightness V=20.9
Object is 44.0 AU from the Sun
and 43.1 AU from the Earth.
Apparent velocity is 21.5
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 84 seconds.
The 1-sigma cross-track error in the shadow position is
1637 km.
The object has an absolute magnitude Hv=4.4
Diameter=801.7 km assuming a 5% albedo -- 37.5 sec chord
Diameter=327.3 km assuming a 30% albedo -- 15.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 543354, (2026/03/23 20:31UT) Object RA Dec mag sep mel Regulus 10:09:46.0 +11:50:17 1.3 8.30 82 14 Sex 10:08:09.6 +05:28:58 6.2 1.97 85 PPM 156520 10:07:52.2 +03:20:44 7.8 0.43 86 PPM 156528 10:08:31.9 +03:33:39 9.1 0.22 86 543354 10:09:23.9 +03:32:18 17.0 86 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 543354, (2026/03/23 20:31UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 8.30 82 14 Sex 10:06:47.4 +05:36:41 6.2 1.97 85 PPM 156520 10:06:30.6 +03:28:27 7.8 0.43 86 PPM 156528 10:07:10.3 +03:41:23 9.1 0.22 86 543354 10:08:02.2 +03:40:03 17.0 86 Positions are for J2000
Event circumstances last updated at 2024/04/23 03:23:52 UT
Marc W. Buie, Southwest Research Institute