Event between (523652) 11LZ28 and star GA1120:00164158 with event index number of 2241154
Geocentric closest approach at 2022/11/18 11:56:49 UTC
J2000 position of star is 01:22:02.1 +23:01:35
Equinox of date position of star is 01:23:16.8 +23:08:43
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 137 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=21.8
TNO is 29.0 AU from the Sun
and 28.1 AU from the Earth.
The TNO is moving 19.8
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 60 seconds.
The 1-sigma cross-track error in the shadow position is
1150 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=222.9 km assuming a 5% albedo -- 11.4 sec chord
Diameter=91.0 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is CENTAURR
Star training set for 523652, (2022/11/18 11:57UT) Object RA Dec mag sep mel Aldebaran 04:37:14.2 +16:33:13 0.8 45.88 98 6Bet Ari 01:55:54.5 +20:55:08 2.6 7.88 132 PPM 090772 01:26:51.0 +23:37:48 6.5 0.95 136 PPM 090700 01:22:29.7 +22:29:39 8.0 0.68 137 PPM 090691 01:22:04.7 +23:00:11 10.0 0.31 137 PPM 090706 01:22:54.7 +23:09:09 10.1 0.09 137 523652 01:23:17.1 +23:08:44 16.9 136 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 523652, (2022/11/18 11:57UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 45.88 98 6Bet Ari 01:54:38.5 +20:48:26 2.6 7.88 132 PPM 090772 01:25:35.7 +23:30:41 6.5 0.95 136 PPM 090700 01:21:14.9 +22:22:30 8.0 0.68 137 PPM 090691 01:20:49.8 +22:53:01 10.0 0.31 137 PPM 090706 01:21:39.7 +23:02:00 10.1 0.09 137 523652 01:22:02.1 +23:01:35 16.9 137 Positions are for J2000
Event circumstances last updated at 2022/10/24 03:53:33 UT
Marc W. Buie, Southwest Research Institute