Event between 11HF103 and star GA0700:33407929 with event index number of 2117756
Geocentric closest approach at 2023/03/29 21:13:44 UTC
J2000 position of star is 19:35:46.4 -19:35:14
Equinox of date position of star is 19:37:04.4 -19:32:11
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 171 degrees from the moon.
Moon is 58% illuminated.
TNO apparent brightness V=24.9
TNO is 43.4 AU from the Sun
and 43.6 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 2266 seconds.
The 1-sigma cross-track error in the shadow position is
5088 km.
The TNO has an absolute magnitude Hv=8.4
Diameter=123.0 km assuming a 5% albedo -- 10.1 sec chord
Diameter=50.2 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 11HF103, (2023/03/29 21:14UT) Object RA Dec mag sep mel Antares 16:30:50.2 -26:28:54 0.9 43.20 142 Nunki 18:56:42.3 -26:15:57 2.0 11.48 175 PPM 236251 19:38:24.2 -18:10:39 5.7 1.39 170 PPM 236230 19:37:47.2 -18:48:00 6.7 0.75 171 PPM 236226 19:37:27.3 -19:32:49 9.1 0.08 171 11HF103 19:37:07.9 -19:32:03 16.3 171 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 11HF103, (2023/03/29 21:14UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 43.20 142 Nunki 18:55:15.9 -26:17:49 2.0 11.48 175 PPM 236251 19:37:03.4 -18:13:52 5.7 1.39 170 PPM 236230 19:36:26.1 -18:51:11 6.7 0.75 171 PPM 236226 19:36:05.7 -19:36:00 9.1 0.08 171 11HF103 19:35:46.4 -19:35:14 16.3 171 Positions are for J2000
Event circumstances last updated at 2022/04/02 01:16:57 UT
Marc W. Buie, Southwest Research Institute