Event between 05EZ300 and star GA0740:05036740 with event index number of 1190653
Geocentric closest approach at 2023/01/27 16:02:01 UTC
J2000 position of star is 13:39:35.9 -15:57:11
Equinox of date position of star is 13:40:47.8 -16:03:54
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 173 degrees from the moon.
Moon is 40% illuminated.
TNO apparent brightness V=22.8
TNO is 31.7 AU from the Sun
and 31.5 AU from the Earth.
The TNO is moving 3.9
km/sec on the sky relative to the star, or,
0.6 arcsec/hr.
The 1-sigma error in the time of the event is 693 seconds.
The 1-sigma cross-track error in the shadow position is
3837 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=182.8 km assuming a 5% albedo -- 46.7 sec chord
Diameter=74.6 km assuming a 30% albedo -- 19.0 sec chord
Dynamical classification is 3:2E
Star training set for 05EZ300, (2023/01/27 16:02UT) Object RA Dec mag sep mel Spica 13:26:24.7 -11:16:52 1.0 5.93 176 83 Vir 13:45:44.8 -16:17:39 5.6 1.20 173 PPM 227645 13:41:13.4 -16:33:47 6.6 0.50 172 PPM 227636 13:40:49.4 -15:59:13 9.8 0.08 173 05EZ300 13:40:50.6 -16:04:10 16.3 173 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 05EZ300, (2023/01/27 16:02UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 5.93 176 83 Vir 13:44:29.9 -16:10:45 5.6 1.20 173 PPM 227645 13:39:58.5 -16:26:48 6.6 0.50 172 PPM 227636 13:39:34.7 -15:52:14 9.8 0.08 173 05EZ300 13:39:35.9 -15:57:11 16.3 173 Positions are for J2000
Event circumstances last updated at 2022/03/18 00:56:22 UT
Marc W. Buie, Southwest Research Institute