Event between (532093) 13HV156 and star GA0840:05480541 with event index number of 2448227
Geocentric closest approach at 2023/02/26 00:00:30 UTC
J2000 position of star is 17:06:11.9 -04:44:41
Equinox of date position of star is 17:07:24.3 -04:46:26
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 149 degrees from the moon.
Moon is 37% illuminated.
TNO apparent brightness V=22.1
TNO is 47.0 AU from the Sun
and 47.1 AU from the Earth.
The TNO is moving 13.2
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 175 seconds.
The 1-sigma cross-track error in the shadow position is
1907 km.
The TNO has an absolute magnitude Hv=5.2
Diameter=532.1 km assuming a 5% albedo -- 40.6 sec chord
Diameter=217.2 km assuming a 30% albedo -- 16.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 532093, (2023/02/26 00:01UT) Object RA Dec mag sep mel Antares 16:30:49.9 -26:28:53 0.9 23.40 162 13Zet Oph 16:38:26.2 -10:36:44 2.6 9.25 158 PPM 200511 17:17:57.3 -06:16:08 6.0 3.02 148 PPM 200318 17:06:15.9 -05:06:15 8.0 0.44 150 PPM 200348 17:07:58.5 -04:59:51 9.8 0.26 149 532093 17:07:25.6 -04:46:27 16.5 149 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 532093, (2023/02/26 00:01UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 23.40 162 13Zet Oph 16:37:09.6 -10:34:01 2.6 9.25 158 PPM 200511 17:16:42.8 -06:14:42 6.0 3.02 148 PPM 200318 17:05:02.0 -05:04:26 8.0 0.44 150 PPM 200348 17:06:44.7 -04:58:05 9.8 0.26 149 532093 17:06:11.9 -04:44:41 16.5 149 Positions are for J2000
Event circumstances last updated at 2022/10/03 04:20:12 UT
Marc W. Buie, Southwest Research Institute