Event between 05EZ300 and star GA0760:04772611 with event index number of 1080545
Geocentric closest approach at 2021/05/13 00:39:57 UTC
J2000 position of star is 13:16:03.1 -13:09:46
Equinox of date position of star is 13:17:10.8 -13:16:29
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 136 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.7
TNO is 32.0 AU from the Sun
and 31.1 AU from the Earth.
The TNO is moving 20.2
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 130 seconds.
The 1-sigma cross-track error in the shadow position is
2016 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=185.4 km assuming a 5% albedo -- 9.2 sec chord
Diameter=75.7 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is 3:2E
Star training set for 05EZ300, (2021/05/13 00:40UT) Object RA Dec mag sep mel Spica 13:26:19.3 -11:16:20 1.0 3.00 138 68 Vir 13:27:51.1 -12:49:06 5.3 2.64 139 PPM 227058 13:18:06.3 -13:16:16 7.9 0.22 137 05EZ300 13:17:11.0 -13:16:30 16.1 137 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, (2021/05/13 00:40UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 3.00 138 68 Vir 13:26:43.0 -12:42:28 5.3 2.64 139 PPM 227058 13:16:58.4 -13:09:32 7.9 0.22 137 05EZ300 13:16:03.1 -13:09:46 16.1 136 Positions are for J2000
Event circumstances last updated at 2021/04/19 23:03:18 UT
Marc W. Buie, Southwest Research Institute