Event between (523761) 14WU509 and star GA0920:01074108 with event index number of 2613977
Geocentric closest approach at 2022/12/17 00:13:55 UTC
J2000 position of star is 06:06:00.6 +03:44:44
Equinox of date position of star is 06:07:12.6 +03:44:31
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 92 degrees from the moon.
Moon is 44% illuminated.
TNO apparent brightness V=22.1
TNO is 40.5 AU from the Sun
and 39.6 AU from the Earth.
The TNO is moving 25.4
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 134 seconds.
The 1-sigma cross-track error in the shadow position is
1457 km.
The TNO has an absolute magnitude Hv=6.0
Diameter=398.1 km assuming a 5% albedo -- 14.9 sec chord
Diameter=162.5 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 523761, (2022/12/17 00:14UT) Object RA Dec mag sep mel Betelgeuse 05:56:24.9 +07:24:34 0.4 4.55 94 34Del Ori 05:33:10.8 -00:17:02 2.2 9.41 100 66 Ori 06:06:11.2 +04:09:20 5.6 0.49 92 PPM 149826 06:04:38.9 +03:51:35 8.0 0.65 92 PPM 149883 06:06:57.9 +03:47:11 9.6 0.08 92 523761 06:07:13.2 +03:44:30 15.4 91 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 523761, (2022/12/17 00:14UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 4.55 94 34Del Ori 05:32:00.4 -00:17:57 2.2 9.41 100 66 Ori 06:04:58.3 +04:09:31 5.6 0.49 92 PPM 149826 06:03:26.2 +03:51:43 8.0 0.65 92 PPM 149883 06:05:45.3 +03:47:24 9.6 0.08 92 523761 06:06:00.6 +03:44:44 15.4 92 Positions are for J2000
Event circumstances last updated at 2022/10/02 04:11:26 UT
Marc W. Buie, Southwest Research Institute