Event between 03QE91 and star GA0900:00012676 with event index number of 1183845
Geocentric closest approach at 2022/08/28 20:10:18 UTC
J2000 position of star is 00:08:29.6 +00:04:55
Equinox of date position of star is 00:09:36.3 +00:12:09
Stellar brightness G=14.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 170 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=23.5
TNO is 41.8 AU from the Sun
and 40.9 AU from the Earth.
The TNO is moving 21.8
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 289 seconds.
The 1-sigma cross-track error in the shadow position is
4716 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=207.0 km assuming a 5% albedo -- 9.5 sec chord
Diameter=84.5 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 03QE91, (2022/08/28 20:10UT) Object RA Dec mag sep mel Fomalhaut 22:58:53.8 -29:30:06 1.2 34.17 155 Algenib 00:14:24.3 +15:18:34 2.8 15.15 157 PPM 181887 00:09:21.7 -02:19:18 6.1 2.53 172 PPM 143189 00:10:02.0 +00:49:07 8.4 0.62 170 PPM 143193 00:10:21.9 +00:12:01 9.9 0.18 170 03QE91 00:09:39.3 +00:12:29 14.4 170 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 03QE91, (2022/08/28 20:10UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 34.17 155 Algenib 00:13:14.2 +15:11:01 2.8 15.15 157 PPM 181887 00:08:12.1 -02:26:52 6.1 2.53 172 PPM 143189 00:08:52.3 +00:41:33 8.4 0.62 170 PPM 143193 00:09:12.2 +00:04:27 9.9 0.18 170 03QE91 00:08:29.6 +00:04:55 14.4 170 Positions are for J2000
Event circumstances last updated at 2021/09/04 02:31:49 UT
Marc W. Buie, Southwest Research Institute