Event between (576162) 12GT41 and star GA0800:20920412 with event index number of 2523465
Geocentric closest approach at 2028/03/27 09:27:50 UTC
J2000 position of star is 20:11:38.2 -09:11:54
Equinox of date position of star is 20:12:52.7 -09:07:43
Stellar brightness G=11.2,
use SENSEUP=8 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=22.5
TNO is 18.7 AU from the Sun
and 19.1 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
5.2 arcsec/hr.
The 1-sigma error in the time of the event is 254 seconds.
The 1-sigma cross-track error in the shadow position is
2192 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=73.8 km assuming a 5% albedo -- 3.7 sec chord
Diameter=30.1 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
Star training set for 576162, (2028/03/27 09:26UT) Object RA Dec mag sep mel Fomalhaut 22:59:12.1 -29:28:18 1.2 43.81 53 Tarazed 19:47:36.1 +10:41:02 2.7 20.79 79 PPM 236994 20:10:03.7 -09:58:44 6.2 1.16 78 PPM 203796 20:15:32.6 -09:31:51 7.8 0.72 77 PPM 203725 20:12:19.4 -09:11:33 9.2 0.22 77 576162 20:13:10.1 -09:06:45 11.2 77 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, (2028/03/27 09:26UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 43.81 53 Tarazed 19:46:15.6 +10:36:48 2.7 20.79 79 PPM 236994 20:08:31.3 -10:03:46 6.2 1.16 78 PPM 203796 20:14:00.5 -09:37:05 7.8 0.72 77 PPM 203725 20:10:47.4 -09:16:40 9.2 0.22 77 576162 20:11:38.2 -09:11:54 11.2 77 Positions are for J2000
Event circumstances last updated at 2022/11/29 02:45:26 UT
Marc W. Buie, Southwest Research Institute