Event between (60454) 00CH105 and star GA0820:04315388 with event index number of 1863874
Geocentric closest approach at 2028/03/29 22:24:42 UTC
J2000 position of star is 13:04:44.6 -07:58:51
Equinox of date position of star is 13:05:54.6 -08:06:02
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 145 degrees from the moon.
Moon is 13% illuminated.
TNO apparent brightness V=22.9
TNO is 41.9 AU from the Sun
and 40.9 AU from the Earth.
The TNO is moving 24.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 244 seconds.
The 1-sigma cross-track error in the shadow position is
3167 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=271.7 km assuming a 5% albedo -- 11.0 sec chord
Diameter=110.9 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 60454, (2028/03/29 22:24UT) Object RA Dec mag sep mel Spica 13:26:41.1 -11:18:28 1.0 5.96 151 PPM 196204 13:10:01.1 -09:08:06 5.5 1.37 147 PPM 196140 13:06:15.4 -08:43:19 8.0 0.59 146 PPM 196128 13:05:30.0 -08:06:20 9.7 0.18 145 60454 13:06:12.9 -08:07:54 16.9 146 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 60454, (2028/03/29 22:24UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 5.96 151 PPM 196204 13:08:32.4 -08:59:05 5.5 1.37 147 PPM 196140 13:04:47.0 -08:34:16 8.0 0.59 146 PPM 196128 13:04:01.7 -07:57:17 9.7 0.18 145 60454 13:04:44.6 -07:58:51 16.9 145 Positions are for J2000
Event circumstances last updated at 2022/05/23 23:18:06 UT
Marc W. Buie, Southwest Research Institute