Event between (523701) 14HT199 and star GA0700:06146740 with event index number of 2333607
Geocentric closest approach at 2022/07/23 02:43:19 UTC
J2000 position of star is 16:04:17.1 -18:18:59
Equinox of date position of star is 16:05:32.6 -18:22:29
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 175 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=22.2
TNO is 29.8 AU from the Sun
and 29.3 AU from the Earth.
The TNO is moving 10.2
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 199 seconds.
The 1-sigma cross-track error in the shadow position is
1392 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 20.1 sec chord
Diameter=83.4 km assuming a 30% albedo -- 8.2 sec chord
Dynamical classification is 3:2E
Star training set for 523701, (2022/07/23 02:44UT) Object RA Dec mag sep mel Antares 16:30:47.6 -26:28:48 0.9 9.98 168 8Bet1Sco 16:06:45.1 -19:51:55 2.6 1.51 175 8Bet2Sco 16:06:45.6 -19:51:42 5.1 1.51 175 PPM 231132 16:04:36.0 -18:19:48 7.9 0.24 175 PPM 231156 16:05:51.8 -18:27:06 10.0 0.10 175 523701 16:05:35.3 -18:22:36 16.3 175 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 523701, (2022/07/23 02:44UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.98 168 8Bet1Sco 16:05:26.2 -19:48:20 2.6 1.51 175 8Bet2Sco 16:05:26.7 -19:48:07 5.1 1.51 175 PPM 231132 16:03:17.9 -18:16:09 7.9 0.24 175 PPM 231156 16:04:33.6 -18:23:28 10.0 0.10 175 523701 16:04:17.1 -18:18:59 16.3 175 Positions are for J2000
Event circumstances last updated at 2021/10/13 01:37:51 UT
Marc W. Buie, Southwest Research Institute