Event between (533398) 14GA54 and star GA0780:06902384 with event index number of 2163665
Geocentric closest approach at 2023/04/29 18:58:36 UTC
J2000 position of star is 17:35:14.0 -11:32:33
Equinox of date position of star is 17:36:31.9 -11:33:22
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 112 degrees from the moon.
Moon is 68% illuminated.
Apparent brightness V=22.2
Object is 31.2 AU from the Sun
and 30.5 AU from the Earth.
Apparent velocity is 15.2
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 190 seconds.
The 1-sigma cross-track error in the shadow position is
1480 km.
The object has an absolute magnitude Hv=7.2
Diameter=215.8 km assuming a 5% albedo -- 14.2 sec chord
Diameter=88.1 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 8:5EEE
Star training set for 533398, (2023/04/29 18:59UT) Object RA Dec mag sep mel Antares 16:30:50.5 -26:28:54 0.9 21.49 100 35Eta Oph 17:11:43.1 -15:45:08 2.6 7.34 107 PPM 233365 17:39:27.2 -10:56:18 5.7 0.95 113 PPM 233287 17:36:41.6 -11:32:47 8.5 0.04 112 533398 17:36:32.0 -11:33:22 16.8 112 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 533398, (2023/04/29 18:59UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 21.49 100 35Eta Oph 17:10:22.7 -15:43:29 2.6 7.34 107 PPM 233365 17:38:09.5 -10:55:35 5.7 0.95 113 PPM 233287 17:35:23.5 -11:31:58 8.5 0.04 112 533398 17:35:14.0 -11:32:33 16.8 112 Positions are for J2000
Event circumstances last updated at 2023/04/20 03:42:13 UT
Marc W. Buie, Southwest Research Institute