Event between (525461) 05EN302 and star GA0760:04955145 with event index number of 1813653
Geocentric closest approach at 2028/01/03 19:08:40 UTC
J2000 position of star is 14:19:09.0 -13:13:41
Equinox of date position of star is 14:20:21.8 -13:19:48
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 38% illuminated.
TNO apparent brightness V=24.0
TNO is 48.4 AU from the Sun
and 48.8 AU from the Earth.
The TNO is moving 16.6
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 563 seconds.
The 1-sigma cross-track error in the shadow position is
5165 km.
The TNO has an absolute magnitude Hv=7.0
Diameter=251.2 km assuming a 5% albedo -- 14.6 sec chord
Diameter=102.6 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 525461, (2028/01/03 19:09UT) Object RA Dec mag sep mel Spica 13:26:40.4 -11:18:24 1.0 13.34 155 2 Lib 14:24:56.3 -11:50:26 6.2 1.84 141 PPM 228678 14:23:22.7 -13:18:32 8.4 0.66 141 PPM 228633 14:21:24.6 -13:22:33 9.7 0.18 141 525461 14:20:40.1 -13:21:21 16.8 141 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 525461, (2028/01/03 19:09UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 13.34 155 2 Lib 14:23:25.6 -11:42:52 6.2 1.84 141 PPM 228678 14:21:51.4 -13:10:56 8.4 0.66 141 PPM 228633 14:19:53.4 -13:14:54 9.7 0.18 141 525461 14:19:09.0 -13:13:41 16.8 142 Positions are for J2000
Event circumstances last updated at 2022/05/20 23:01:33 UT
Marc W. Buie, Southwest Research Institute