Event between (612582) 03QY111 and star GA0960:00165459 with event index number of 2815882
Geocentric closest approach at 2026/08/30 18:14:15 UTC
J2000 position of star is 01:45:15.8 +07:52:21
Equinox of date position of star is 01:46:26.3 +07:59:02
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 20 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=23.5
TNO is 42.8 AU from the Sun
and 42.1 AU from the Earth.
The TNO is moving 14.6
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 610 seconds.
The 1-sigma cross-track error in the shadow position is
4266 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=226.0 km assuming a 5% albedo -- 15.5 sec chord
Diameter=92.2 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 612582, (2026/08/30 18:14UT) Object RA Dec mag sep mel Aldebaran 04:37:27.2 +16:33:39 0.8 42.50 62 6Bet Ari 01:56:07.1 +20:56:14 2.6 13.13 26 110Omi Psc 01:46:48.3 +09:17:27 4.3 1.29 20 PPM 144954 01:47:07.0 +08:41:31 6.6 0.70 20 PPM 144944 01:46:14.2 +08:34:00 9.8 0.57 20 PPM 144951 01:46:50.7 +07:54:36 10.7 0.11 20 612582 01:46:40.0 +08:00:19 17.0 20 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 612582, (2026/08/30 18:14UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 42.50 62 6Bet Ari 01:54:38.6 +20:48:26 2.6 13.13 26 110Omi Psc 01:45:23.7 +09:09:29 4.3 1.29 20 PPM 144954 01:45:42.6 +08:33:33 6.6 0.70 20 PPM 144944 01:44:49.8 +08:26:01 9.8 0.57 20 PPM 144951 01:45:26.5 +07:46:38 10.7 0.11 20 612582 01:45:15.8 +07:52:21 17.0 20 Positions are for J2000
Event circumstances last updated at 2022/05/04 23:44:26 UT
Marc W. Buie, Southwest Research Institute