Event between (576162) 12GT41 and star GA0900:06273026 with event index number of 2520998
Geocentric closest approach at 2022/06/24 02:08:00 UTC
J2000 position of star is 17:58:53.3 +01:41:28
Equinox of date position of star is 17:59:59.1 +01:41:27
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon.
Moon is 22% illuminated.
TNO apparent brightness V=21.9
TNO is 16.8 AU from the Sun
and 15.8 AU from the Earth.
The TNO is moving 21.5
km/sec on the sky relative to the star, or,
6.8 arcsec/hr.
The 1-sigma error in the time of the event is 43 seconds.
The 1-sigma cross-track error in the shadow position is
639 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=73.8 km assuming a 5% albedo -- 3.4 sec chord
Diameter=30.1 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 576162, (2022/06/24 02:08UT) Object RA Dec mag sep mel Antares 16:30:47.4 -26:28:48 0.9 35.45 147 60Bet Oph 17:44:35.0 +04:33:34 2.8 4.80 127 PPM 164858 17:57:27.1 +00:40:08 5.7 1.21 125 PPM 164835 17:56:45.5 +02:04:23 7.4 0.90 125 PPM 164937 18:00:11.3 +02:00:44 10.0 0.32 124 PPM 164950 18:00:38.3 +01:33:42 10.1 0.20 124 576162 18:00:01.5 +01:41:27 15.9 124 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 576162, (2022/06/24 02:08UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 35.45 147 60Bet Oph 17:43:28.3 +04:34:06 2.8 4.80 127 PPM 164858 17:56:18.3 +00:40:14 5.7 1.21 125 PPM 164835 17:55:37.5 +02:04:30 7.4 0.90 125 PPM 164937 17:59:03.3 +02:00:45 10.0 0.32 124 PPM 164950 17:59:30.0 +01:33:42 10.1 0.20 124 576162 17:58:53.3 +01:41:28 15.9 124 Positions are for J2000
Event circumstances last updated at 2021/09/04 01:28:07 UT
Marc W. Buie, Southwest Research Institute