Event between (469306) 99CD158 and star GA1140:03229866 with event index number of 2248515
Geocentric closest approach at 2026/02/14 16:19:26 UTC
J2000 position of star is 10:08:05.7 +24:30:56
Equinox of date position of star is 10:09:26.9 +24:23:47
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 147 degrees from the moon.
Moon is 8% illuminated.
Apparent brightness V=21.9
Object is 45.7 AU from the Sun
and 44.7 AU from the Earth.
Apparent velocity is 26.3
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 85 seconds.
The 1-sigma cross-track error in the shadow position is
1905 km.
The object has an absolute magnitude Hv=5.3
Diameter=529.7 km assuming a 5% albedo -- 20.2 sec chord
Diameter=216.2 km assuming a 30% albedo -- 8.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 469306, (2026/02/14 16:19UT) Object RA Dec mag sep mel Regulus 10:09:45.7 +11:50:19 1.3 12.55 143 36Zet Leo 10:18:08.3 +23:17:10 3.4 2.25 145 PPM 100118 10:09:55.5 +24:10:49 8.0 0.22 147 469306 10:09:33.5 +24:23:13 16.3 146 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 469306, (2026/02/14 16:19UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 12.55 143 36Zet Leo 10:16:41.4 +23:25:02 3.4 2.25 145 PPM 100118 10:08:27.8 +24:18:32 8.0 0.22 147 469306 10:08:05.7 +24:30:56 16.3 147 Positions are for J2000
Event circumstances last updated at 2024/03/04 05:42:30 UT
Marc W. Buie, Southwest Research Institute