Event between (534073) 14QL441 and star GA0920:00255327 with event index number of 2174849
Geocentric closest approach at 2023/02/24 05:13:12 UTC
J2000 position of star is 02:59:46.5 +02:11:56
Equinox of date position of star is 03:00:54.8 +02:17:06
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 20 degrees from the moon.
Moon is 20% illuminated.
TNO apparent brightness V=22.5
TNO is 37.5 AU from the Sun
and 37.8 AU from the Earth.
The TNO is moving 18.2
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 105 seconds.
The 1-sigma cross-track error in the shadow position is
1977 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=293.8 km assuming a 5% albedo -- 16.2 sec chord
Diameter=119.9 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 534073, (2023/02/24 05:10UT) Object RA Dec mag sep mel Aldebaran 04:37:15.1 +16:33:14 0.8 27.64 42 Menkar 03:03:29.5 +04:10:45 2.5 1.99 20 93 Cet 03:03:35.4 +04:26:34 5.4 2.25 20 PPM 146108 02:59:49.4 +02:12:42 8.5 0.30 20 PPM 146120 03:00:52.6 +02:22:51 10.3 0.09 20 534073 03:00:58.6 +02:17:23 16.2 20 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 534073, (2023/02/24 05:10UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.64 42 Menkar 03:02:16.8 +04:05:21 2.5 1.99 20 93 Cet 03:02:22.5 +04:21:11 5.4 2.25 20 PPM 146108 02:58:37.4 +02:07:13 8.5 0.30 20 PPM 146120 02:59:40.5 +02:17:24 10.3 0.09 20 534073 02:59:46.5 +02:11:56 16.2 20 Positions are for J2000
Event circumstances last updated at 2021/12/11 01:50:25 UT
Marc W. Buie, Southwest Research Institute