Event between (567122) 20PM3 and star GA0960:17344407 with event index number of 2642834
Geocentric closest approach at 2022/09/16 18:14:40 UTC
J2000 position of star is 23:16:04.2 +06:52:36
Equinox of date position of star is 23:17:10.6 +06:59:45
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon.
Moon is 61% illuminated.
TNO apparent brightness V=20.6
TNO is 13.4 AU from the Sun
and 12.4 AU from the Earth.
The TNO is moving 22.6
km/sec on the sky relative to the star, or,
9.1 arcsec/hr.
The 1-sigma error in the time of the event is 25 seconds.
The 1-sigma cross-track error in the shadow position is
697 km.
The TNO has an absolute magnitude Hv=9.4
Diameter=79.4 km assuming a 5% albedo -- 3.5 sec chord
Diameter=32.4 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 567122, (2022/09/16 18:15UT) Object RA Dec mag sep mel Markab 23:05:53.6 +15:19:40 2.5 8.78 78 7 Psc 23:21:30.1 +05:30:20 5.0 1.83 78 PPM 173914 23:16:34.7 +06:18:14 8.4 0.71 79 PPM 173943 23:18:24.9 +07:14:32 9.9 0.38 78 PPM 173916 23:16:40.9 +06:55:39 10.1 0.15 78 567122 23:17:13.3 +07:00:03 16.0 78 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 567122, (2022/09/16 18:15UT) Object RA Dec mag sep mel Markab 23:04:45.8 +15:12:18 2.5 8.78 78 7 Psc 23:20:20.7 +05:22:51 5.0 1.83 78 PPM 173914 23:15:25.5 +06:10:47 8.4 0.71 79 PPM 173943 23:17:15.7 +07:07:04 9.9 0.38 78 PPM 173916 23:15:31.7 +06:48:13 10.1 0.15 78 567122 23:16:04.2 +06:52:36 16.0 78 Positions are for J2000
Event circumstances last updated at 2021/10/26 23:55:52 UT
Marc W. Buie, Southwest Research Institute