Event between (576162) 12GT41 and star GA0780:21042299 with event index number of 2523531
Geocentric closest approach at 2028/11/08 16:08:34 UTC
J2000 position of star is 20:00:51.6 -11:05:56
Equinox of date position of star is 20:02:07.3 -11:02:04
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 172 degrees from the moon.
Moon is 63% illuminated.
TNO apparent brightness V=22.6
TNO is 19.0 AU from the Sun
and 19.2 AU from the Earth.
The TNO is moving 17.5
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 287 seconds.
The 1-sigma cross-track error in the shadow position is
1952 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=73.8 km assuming a 5% albedo -- 4.3 sec chord
Diameter=30.1 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 576162, (2028/11/08 16:06UT) Object RA Dec mag sep mel Fomalhaut 22:59:14.2 -29:28:06 1.2 45.03 141 Nunki 18:57:03.1 -26:15:29 2.0 21.68 161 PPM 203530 20:01:21.5 -09:52:49 5.7 1.17 171 PPM 236802 20:02:18.8 -11:23:58 8.5 0.38 172 PPM 236809 20:02:39.7 -11:06:12 9.4 0.10 172 576162 20:02:26.9 -11:01:03 13.8 172 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, (2028/11/08 16:06UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 45.03 141 Nunki 18:55:15.9 -26:17:49 2.0 21.68 161 PPM 203530 19:59:46.9 -09:57:39 5.7 1.17 171 PPM 236802 20:00:43.3 -11:28:50 8.5 0.38 172 PPM 236809 20:01:04.4 -11:11:05 9.4 0.10 172 576162 20:00:51.6 -11:05:56 13.8 172 Positions are for J2000
Event circumstances last updated at 2022/12/06 03:18:46 UT
Marc W. Buie, Southwest Research Institute