Event between (310071) 10KR59 and star GA0560:12266647 with event index number of 2187681
Geocentric closest approach at 2026/05/21 11:10:36 UTC
J2000 position of star is 16:51:11.4 -32:28:21
Equinox of date position of star is 16:52:45.4 -32:30:43
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 130 degrees from the moon.
Moon is 29% illuminated.
Apparent brightness V=21.4
Object is 22.8 AU from the Sun
and 21.8 AU from the Earth.
Apparent velocity is 22.9
km/sec on the sky relative to the star, or,
5.2 arcsec/hr.
The 1-sigma error in the time of the event is 66 seconds.
The 1-sigma cross-track error in the shadow position is
988 km.
The object has an absolute magnitude Hv=7.8
Diameter=163.7 km assuming a 5% albedo -- 7.1 sec chord
Diameter=66.8 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
Star training set for 310071, (2026/05/21 11:10UT) Object RA Dec mag sep mel Antares 16:31:01.8 -26:29:17 0.9 7.68 125 26Eps Sco 16:51:52.9 -34:20:18 2.3 1.84 130 PPM 295672 16:57:41.4 -33:32:48 6.2 1.44 131 PPM 295565 16:53:36.2 -32:13:29 8.4 0.33 130 PPM 295560 16:53:23.1 -32:34:56 9.6 0.12 130 310071 16:52:54.0 -32:30:56 16.1 131 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, (2026/05/21 11:10UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.68 125 26Eps Sco 16:50:08.8 -34:17:41 2.3 1.84 130 PPM 295672 16:55:57.8 -33:30:24 6.2 1.44 131 PPM 295565 16:51:53.8 -32:10:56 8.4 0.33 130 PPM 295560 16:51:40.4 -32:32:23 9.6 0.12 130 310071 16:51:11.4 -32:28:21 16.1 130 Positions are for J2000
Event circumstances last updated at 2024/03/05 04:25:25 UT
Marc W. Buie, Southwest Research Institute