Event between (535994) 15BH519 and star GA0660:05901029 with event index number of 2257650
Geocentric closest approach at 2028/03/14 00:55:39 UTC
J2000 position of star is 13:38:02.5 -22:55:05
Equinox of date position of star is 13:39:23.6 -23:02:31
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 8 degrees from the moon.
Moon is 87% illuminated.
Apparent brightness V=22.2
Object is 38.0 AU from the Sun
and 37.2 AU from the Earth.
Apparent velocity is 19.5
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 168 seconds.
The 1-sigma cross-track error in the shadow position is
3506 km.
The object has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 17.0 sec chord
Diameter=135.2 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 535994, (2028/03/14 01:01UT) Object RA Dec mag sep mel Spica 13:26:41.0 -11:18:27 1.0 12.15 12 PPM 261719 13:31:15.7 -23:25:34 5.9 1.95 10 PPM 261880 13:39:30.4 -23:21:48 8.2 0.30 8 PPM 261883 13:39:46.3 -23:10:54 9.4 0.13 8 535994 13:39:35.9 -23:03:39 14.8 8 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 535994, (2028/03/14 01:01UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 12.15 12 PPM 261719 13:29:42.7 -23:16:52 5.9 1.95 10 PPM 261880 13:37:56.9 -23:13:14 8.2 0.30 8 PPM 261883 13:38:12.9 -23:02:21 9.4 0.13 8 535994 13:38:02.5 -22:55:05 14.8 8 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:29:33 UT
Marc W. Buie, Southwest Research Institute