Event between 13UF31 and star GA0820:00217551 with event index number of 2676569
Geocentric closest approach at 2022/11/26 10:33:07 UTC
J2000 position of star is 02:48:50.3 -07:24:42
Equinox of date position of star is 02:49:54.6 -07:19:19
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 115 degrees from the moon.
Moon is 9% illuminated.
TNO apparent brightness V=23.0
TNO is 33.5 AU from the Sun
and 32.7 AU from the Earth.
The TNO is moving 22.1
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 332 seconds.
The 1-sigma cross-track error in the shadow position is
1458 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=139.3 km assuming a 5% albedo -- 7.7 sec chord
Diameter=56.9 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is 3:2E
Star training set for 13UF31, (2022/11/26 10:33UT) Object RA Dec mag sep mel Aldebaran 04:37:14.2 +16:33:13 0.8 35.69 150 68Omi Cet 02:20:30.3 -02:52:29 2.0 8.57 111 PPM 184889 02:41:19.4 -09:21:22 6.2 2.95 112 PPM 185011 02:47:39.3 -07:55:59 8.5 0.84 114 PPM 185070 02:50:12.0 -07:16:58 9.6 0.07 115 13UF31 02:49:58.0 -07:19:02 16.3 115 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 13UF31, (2022/11/26 10:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 35.69 150 68Omi Cet 02:19:20.8 -02:58:45 2.0 8.57 111 PPM 184889 02:40:12.2 -09:27:12 6.2 2.95 112 PPM 185011 02:46:31.8 -08:01:42 8.5 0.84 114 PPM 185070 02:49:04.2 -07:22:37 9.6 0.07 115 13UF31 02:48:50.3 -07:24:42 16.3 115 Positions are for J2000
Event circumstances last updated at 2021/10/06 01:09:07 UT
Marc W. Buie, Southwest Research Institute