Event between 13KY18 and star GA0640:27046471 with event index number of 2064082
Geocentric closest approach at 2024/02/25 05:53:04 UTC
J2000 position of star is 18:19:25.4 -24:19:01
Equinox of date position of star is 18:20:47.2 -24:18:22
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 111 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=21.6
TNO is 29.3 AU from the Sun
and 29.7 AU from the Earth.
The TNO is moving 20.3
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 141 seconds.
The 1-sigma cross-track error in the shadow position is
1133 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=271.7 km assuming a 5% albedo -- 13.4 sec chord
Diameter=110.9 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 1:1
Star training set for 13KY18, (2024/02/25 05:43UT) Object RA Dec mag sep mel Antares 16:30:53.5 -26:29:01 0.9 24.89 86 Nunki 18:56:45.7 -26:15:52 2.0 8.34 119 PPM 268291 18:23:00.6 -24:54:07 6.0 0.77 111 PPM 268219 18:20:09.4 -24:22:43 10.0 0.19 110 13KY18 18:20:54.2 -24:18:19 16.7 111 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 13KY18, (2024/02/25 05:43UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.89 86 Nunki 18:55:15.9 -26:17:49 2.0 8.34 119 PPM 268291 18:21:31.4 -24:54:54 6.0 0.77 111 PPM 268219 18:18:40.5 -24:23:24 10.0 0.19 110 13KY18 18:19:25.4 -24:19:01 16.7 111 Positions are for J2000
Event circumstances last updated at 2022/03/25 23:57:44 UT
Marc W. Buie, Southwest Research Institute