Event between (578832) 14GP53 and star GA0720:11972529 with event index number of 2551356
Geocentric closest approach at 2028/05/23 13:25:49 UTC
J2000 position of star is 17:37:12.3 -16:45:57
Equinox of date position of star is 17:38:29.2 -16:46:40
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 147 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.6
TNO is 23.5 AU from the Sun
and 22.6 AU from the Earth.
The TNO is moving 20.9
km/sec on the sky relative to the star, or,
4.6 arcsec/hr.
The 1-sigma error in the time of the event is 334 seconds.
The 1-sigma cross-track error in the shadow position is
2104 km.
The TNO has an absolute magnitude Hv=8.9
Diameter=98.2 km assuming a 5% albedo -- 4.7 sec chord
Diameter=40.1 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 578832, (2028/05/23 13:26UT) Object RA Dec mag sep mel Antares 16:31:09.2 -26:29:33 0.9 18.46 164 35Eta Oph 17:12:00.5 -15:45:29 2.6 6.52 153 PPM 233351 17:39:14.1 -15:35:09 6.2 1.20 147 PPM 233310 17:37:52.7 -17:52:48 7.8 1.12 147 PPM 233341 17:38:53.2 -16:44:07 9.6 0.05 147 578832 17:38:51.0 -16:46:51 15.6 147 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 578832, (2028/05/23 13:26UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.46 164 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.52 153 PPM 233351 17:37:36.2 -15:34:15 6.2 1.20 147 PPM 233310 17:36:13.2 -17:51:52 7.8 1.12 147 PPM 233341 17:37:14.6 -16:43:13 9.6 0.05 147 578832 17:37:12.3 -16:45:57 15.6 147 Positions are for J2000
Event circumstances last updated at 2022/02/13 02:24:36 UT
Marc W. Buie, Southwest Research Institute