Event between 11LJ29 and star GA0660:10193670 with event index number of 2122076
Geocentric closest approach at 2023/07/08 21:04:13 UTC
J2000 position of star is 17:11:23.7 -23:12:21
Equinox of date position of star is 17:12:46.4 -23:13:55
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 102 degrees from the moon.
Moon is 63% illuminated.
TNO apparent brightness V=22.0
TNO is 45.4 AU from the Sun
and 44.5 AU from the Earth.
The TNO is moving 21.7
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 145 seconds.
The 1-sigma cross-track error in the shadow position is
1668 km.
The TNO has an absolute magnitude Hv=5.4
Diameter=463.5 km assuming a 5% albedo -- 23.0 sec chord
Diameter=189.2 km assuming a 30% albedo -- 9.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 11LJ29, (2023/07/08 21:05UT) Object RA Dec mag sep mel Antares 16:30:51.2 -26:28:56 0.9 10.05 111 35Eta Oph 17:11:43.7 -15:45:09 2.6 7.48 103 PPM 266403 17:07:36.2 -21:35:43 6.3 2.03 104 PPM 266547 17:13:48.8 -22:57:07 8.2 0.36 102 PPM 266544 17:13:40.8 -23:11:21 9.3 0.20 102 11LJ29 17:12:49.2 -23:13:58 16.1 102 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, (2023/07/08 21:05UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.05 111 35Eta Oph 17:10:22.7 -15:43:29 2.6 7.48 103 PPM 266403 17:06:11.8 -21:33:54 6.3 2.03 104 PPM 266547 17:12:23.4 -22:55:31 8.2 0.36 102 PPM 266544 17:12:15.3 -23:09:45 9.3 0.20 102 11LJ29 17:11:23.7 -23:12:21 16.1 102 Positions are for J2000
Event circumstances last updated at 2022/10/05 04:14:44 UT
Marc W. Buie, Southwest Research Institute