Event between (533211) 14DU143 and star GA0920:03788464 with event index number of 2592287
Geocentric closest approach at 2023/04/03 20:47:52 UTC
J2000 position of star is 13:31:14.4 +02:52:53
Equinox of date position of star is 13:32:22.5 +02:46:01
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 34 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=22.6
TNO is 39.5 AU from the Sun
and 38.5 AU from the Earth.
The TNO is moving 25.1
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 117 seconds.
The 1-sigma cross-track error in the shadow position is
2350 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=274.2 km assuming a 5% albedo -- 10.9 sec chord
Diameter=111.9 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is 4:3E
Star training set for 533211, (2023/04/03 20:47UT) Object RA Dec mag sep mel Spica 13:26:25.3 -11:16:55 1.0 14.12 37 Vindemiatrix 13:03:20.1 +10:50:05 2.8 10.83 26 78 Vir 13:35:18.7 +03:32:25 4.9 1.06 34 PPM 159777 13:29:27.5 +02:06:57 7.8 0.98 33 PPM 159794 13:30:31.3 +03:07:32 9.8 0.60 33 PPM 159814 13:31:41.6 +02:48:26 10.3 0.19 33 533211 13:32:25.3 +02:45:44 14.7 34 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 533211, (2023/04/03 20:47UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 14.12 37 Vindemiatrix 13:02:10.2 +10:57:33 2.8 10.83 26 78 Vir 13:34:08.0 +03:39:32 4.9 1.06 34 PPM 159777 13:28:16.4 +02:14:09 7.8 0.98 33 PPM 159794 13:29:20.4 +03:14:43 9.8 0.60 33 PPM 159814 13:30:30.7 +02:55:36 10.3 0.19 33 533211 13:31:14.4 +02:52:53 14.7 33 Positions are for J2000
Event circumstances last updated at 2022/05/03 01:08:22 UT
Marc W. Buie, Southwest Research Institute