Event between 10KZ39 and star GA0520:17685610 with event index number of 2821848
Geocentric closest approach at 2024/06/21 09:20:46 UTC
J2000 position of star is 17:25:54.4 -37:17:52
Equinox of date position of star is 17:27:25.9 -37:18:57
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 9 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=20.6
TNO is 45.7 AU from the Sun
and 44.8 AU from the Earth.
The TNO is moving 25.1
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 369 seconds.
The 1-sigma cross-track error in the shadow position is
4849 km.
The TNO has an absolute magnitude Hv=4.0
Diameter=959.4 km assuming a 5% albedo -- 38.3 sec chord
Diameter=391.7 km assuming a 30% albedo -- 15.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 10KZ39, (2024/06/21 09:21UT) Object RA Dec mag sep mel Antares 16:30:54.7 -26:29:03 0.9 16.15 12 34Ups Sco 17:32:25.8 -37:18:46 2.7 0.97 9 PPM 296269 17:24:34.6 -37:14:33 5.9 0.60 9 PPM 296338 17:28:09.3 -37:07:54 7.5 0.22 9 PPM 296332 17:27:48.2 -37:19:18 10.1 0.05 9 10KZ39 17:27:34.3 -37:19:03 16.1 9 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 10KZ39, (2024/06/21 09:21UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.15 12 34Ups Sco 17:30:45.8 -37:17:46 2.7 0.97 9 PPM 296269 17:22:54.8 -37:13:16 5.9 0.60 9 PPM 296338 17:26:29.5 -37:06:45 7.5 0.22 9 PPM 296332 17:26:08.3 -37:18:07 10.1 0.05 9 10KZ39 17:25:54.4 -37:17:52 16.1 9 Positions are for J2000
Event circumstances last updated at 2022/06/01 23:28:51 UT
Marc W. Buie, Southwest Research Institute