Event between (90568) 04GV9 and star GA0640:07144504 with event index number of 2309208
Geocentric closest approach at 2026/05/22 19:19:48 UTC
J2000 position of star is 15:48:22.5 -24:21:11
Equinox of date position of star is 15:49:50.2 -24:25:36
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 97 degrees from the moon.
Moon is 43% illuminated.
Apparent brightness V=20.0
Object is 40.0 AU from the Sun
and 39.0 AU from the Earth.
Apparent velocity is 25.0
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 80 seconds.
The 1-sigma cross-track error in the shadow position is
1571 km.
The object has an absolute magnitude Hv=4.0
Diameter=946.3 km assuming a 5% albedo -- 38.7 sec chord
Diameter=386.3 km assuming a 30% albedo -- 15.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 90568, (2026/05/22 19:20UT) Object RA Dec mag sep mel Antares 16:31:01.8 -26:29:18 0.9 9.49 106 7Del Sco 16:01:53.9 -22:41:41 2.3 3.24 99 PPM 264828 15:55:28.8 -24:36:35 5.3 1.27 98 PPM 264717 15:50:00.9 -23:54:49 7.2 0.52 97 PPM 264723 15:50:23.7 -24:29:21 9.2 0.12 97 90568 15:49:57.1 -24:25:57 15.3 97 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 90568, (2026/05/22 19:20UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.49 106 7Del Sco 16:00:20.0 -22:37:19 2.3 3.24 99 PPM 264828 15:53:53.9 -24:32:00 5.3 1.27 98 PPM 264717 15:48:26.6 -23:50:03 7.2 0.52 97 PPM 264723 15:48:49.0 -24:24:36 9.2 0.12 97 90568 15:48:22.5 -24:21:11 15.3 97 Positions are for J2000
Event circumstances last updated at 2024/06/19 21:25:06 UT
Marc W. Buie, Southwest Research Institute