Event between (559181) 15BX518 and star GA0760:04557463 with event index number of 2654555
Geocentric closest approach at 2026/06/08 21:45:03 UTC
J2000 position of star is 11:49:18.7 -13:12:59
Equinox of date position of star is 11:50:33.6 -13:21:09
Stellar brightness G=13.5,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 166 degrees from the moon.
Moon is 45% illuminated.
Apparent brightness V=21.7
Object is 40.5 AU from the Sun
and 40.2 AU from the Earth.
Apparent velocity is 9.2
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 172 seconds.
The 1-sigma cross-track error in the shadow position is
1937 km.
The object has an absolute magnitude Hv=5.5
Diameter=455.0 km assuming a 5% albedo -- 52.2 sec chord
Diameter=185.8 km assuming a 30% albedo -- 21.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 559181, (2026/06/08 21:45UT) Object RA Dec mag sep mel Spica 13:26:35.4 -11:17:54 1.0 23.51 150 4Gam Crv 12:17:10.2 -17:41:19 2.6 7.71 159 PPM 225013 11:52:42.6 -12:20:04 6.3 1.14 166 PPM 224977 11:51:26.8 -13:35:13 8.3 0.29 165 PPM 224948 11:50:08.2 -13:26:32 9.4 0.15 166 559181 11:50:39.6 -13:21:48 13.5 165 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 559181, (2026/06/08 21:45UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 23.51 150 4Gam Crv 12:15:48.1 -17:32:30 2.6 7.71 159 PPM 225013 11:51:21.5 -12:11:15 6.3 1.14 166 PPM 224977 11:50:05.9 -13:26:24 8.3 0.29 165 PPM 224948 11:48:47.3 -13:17:42 9.4 0.15 166 559181 11:49:18.7 -13:12:59 13.5 166 Positions are for J2000
Event circumstances last updated at 2024/06/19 21:26:59 UT
Marc W. Buie, Southwest Research Institute