Event between (543377) 14BF70 and star GA0580:07721353 with event index number of 2252934
Geocentric closest approach at 2026/02/21 17:35:07 UTC
J2000 position of star is 15:22:19.2 -30:05:05
Equinox of date position of star is 15:23:49.2 -30:10:15
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 150 degrees from the moon.
Moon is 20% illuminated.
Apparent brightness V=20.5
Object is 11.6 AU from the Sun
and 11.4 AU from the Earth.
Apparent velocity is 10.0
km/sec on the sky relative to the star, or,
4.4 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is
850 km.
The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 7.6 sec chord
Diameter=30.8 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CENTAURR
Star training set for 543377, (2026/02/21 17:39UT) Object RA Dec mag sep mel Antares 16:31:00.9 -26:29:16 0.9 15.20 137 7Del Sco 16:01:53.0 -22:41:38 2.3 11.31 144 2 Lup 15:19:25.7 -30:14:34 3.7 0.97 151 PPM 264088 15:20:31.0 -29:18:54 8.4 1.14 151 PPM 264179 15:24:40.6 -30:01:31 9.9 0.22 150 543377 15:23:55.3 -30:10:36 16.1 150 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 543377, (2026/02/21 17:39UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.20 137 7Del Sco 16:00:20.0 -22:37:19 2.3 11.31 144 2 Lup 15:17:49.8 -30:08:55 3.7 0.97 151 PPM 264088 15:18:55.6 -29:13:17 8.4 1.14 151 PPM 264179 15:23:04.5 -29:56:01 9.9 0.22 150 543377 15:22:19.2 -30:05:05 16.1 150 Positions are for J2000
Event circumstances last updated at 2024/06/18 21:25:27 UT
Marc W. Buie, Southwest Research Institute