Event between (310071) 10KR59 and star GA0580:13193235 with event index number of 2187555
Geocentric closest approach at 2026/02/25 19:38:32 UTC
J2000 position of star is 16:56:46.0 -31:54:15
Equinox of date position of star is 16:58:19.7 -31:56:25
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 171 degrees from the moon.
Moon is 65% illuminated.
Apparent brightness V=21.6
Object is 22.6 AU from the Sun
and 22.7 AU from the Earth.
Apparent velocity is 12.7
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 107 seconds.
The 1-sigma cross-track error in the shadow position is
1274 km.
The object has an absolute magnitude Hv=7.8
Diameter=163.7 km assuming a 5% albedo -- 12.9 sec chord
Diameter=66.8 km assuming a 30% albedo -- 5.3 sec chord
Dynamical classification is CENTAURR
Star training set for 310071, (2026/02/25 19:39UT) Object RA Dec mag sep mel Antares 16:31:00.9 -26:29:16 0.9 8.10 165 26Eps Sco 16:51:52.0 -34:20:17 2.3 2.76 169 PPM 295807 17:03:34.4 -32:10:48 5.0 1.11 172 PPM 295699 16:58:39.6 -32:22:38 7.9 0.44 171 PPM 295698 16:58:36.8 -32:01:44 8.8 0.09 171 310071 16:58:27.4 -31:56:36 16.1 171 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 310071, (2026/02/25 19:39UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.10 165 26Eps Sco 16:50:08.8 -34:17:41 2.3 2.76 169 PPM 295807 17:01:52.6 -32:08:38 5.0 1.11 172 PPM 295699 16:56:57.8 -32:20:18 7.9 0.44 171 PPM 295698 16:56:55.3 -31:59:23 8.8 0.09 171 310071 16:56:46.0 -31:54:15 16.1 171 Positions are for J2000
Event circumstances last updated at 2024/03/04 05:44:57 UT
Marc W. Buie, Southwest Research Institute