Event between 11LJ29 and star GA0660:12222122 with event index number of 2122231
Geocentric closest approach at 2024/04/15 23:09:57 UTC
J2000 position of star is 17:22:20.1 -23:23:34
Equinox of date position of star is 17:23:43.1 -23:24:47
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 52% illuminated.
TNO apparent brightness V=22.1
TNO is 45.4 AU from the Sun
and 44.9 AU from the Earth.
The TNO is moving 12.2
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 311 seconds.
The 1-sigma cross-track error in the shadow position is
2296 km.
The TNO has an absolute magnitude Hv=5.4
Diameter=463.5 km assuming a 5% albedo -- 40.9 sec chord
Diameter=189.2 km assuming a 30% albedo -- 16.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 11LJ29, (2024/04/15 23:11UT) Object RA Dec mag sep mel Antares 16:30:54.0 -26:29:02 0.9 12.37 132 35Eta Oph 17:11:46.4 -15:45:12 2.6 8.17 138 PPM 266836 17:26:35.4 -24:15:49 6.4 1.06 144 PPM 266759 17:23:35.0 -23:35:45 8.2 0.19 143 11LJ29 17:23:48.6 -23:24:52 15.3 143 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 11LJ29, (2024/04/15 23:11UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.37 132 35Eta Oph 17:10:22.7 -15:43:29 2.6 8.17 138 PPM 266836 17:25:06.3 -24:14:37 6.4 1.06 144 PPM 266759 17:22:06.4 -23:34:26 8.2 0.19 143 11LJ29 17:22:20.1 -23:23:34 15.3 143 Positions are for J2000
Event circumstances last updated at 2022/10/11 04:26:18 UT
Marc W. Buie, Southwest Research Institute