Event between 04KG19 and star GA0660:07990460 with event index number of 1973947
Geocentric closest approach at 2023/06/11 12:42:04 UTC
J2000 position of star is 16:48:05.0 -23:06:58
Equinox of date position of star is 16:49:29.3 -23:09:21
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 42% illuminated.
Apparent brightness V=23.6
Object is 42.6 AU from the Sun
and 41.6 AU from the Earth.
Apparent velocity is 24.6
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 864 seconds.
The 1-sigma cross-track error in the shadow position is
3060 km.
The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.5 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 04KG19, (2023/06/11 12:42UT) Object RA Dec mag sep mel Antares 16:30:50.9 -26:28:55 0.9 5.38 110 23Tau Sco 16:37:20.8 -28:15:45 2.8 5.79 108 PPM 266088 16:54:48.5 -20:27:10 5.7 2.97 105 PPM 265937 16:47:53.7 -22:40:09 8.4 0.61 107 PPM 265964 16:48:57.6 -23:14:03 9.4 0.15 106 04KG19 16:49:29.9 -23:09:22 16.8 106 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 04KG19, (2023/06/11 12:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.38 110 23Tau Sco 16:35:52.9 -28:12:58 2.8 5.79 108 PPM 266088 16:53:25.2 -20:24:57 5.7 2.97 105 PPM 265937 16:46:29.2 -22:37:43 8.4 0.61 107 PPM 265964 16:47:32.7 -23:11:39 9.4 0.15 106 04KG19 16:48:05.0 -23:06:58 16.8 106 Positions are for J2000
Event circumstances last updated at 2023/04/18 02:27:06 UT
Marc W. Buie, Southwest Research Institute