Event between (469362) 01KB77 and star GA0800:08251492 with event index number of 1252063
Geocentric closest approach at 2023/06/19 18:49:19 UTC
J2000 position of star is 18:06:57.7 -09:37:09
Equinox of date position of star is 18:08:14.6 -09:36:54
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 156 degrees from the moon.
Moon is 3% illuminated.
Apparent brightness V=22.2
Object is 28.4 AU from the Sun
and 27.4 AU from the Earth.
Apparent velocity is 23.1
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 185 seconds.
The 1-sigma cross-track error in the shadow position is
1513 km.
The object has an absolute magnitude Hv=7.7
Diameter=199.5 km assuming a 5% albedo -- 7.5 sec chord
Diameter=81.5 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
Star training set for 469362, (2023/06/19 18:49UT) Object RA Dec mag sep mel Antares 16:30:51.0 -26:28:55 0.9 28.54 144 35Eta Oph 17:11:43.5 -15:45:08 2.6 15.08 149 PPM 201392 18:07:24.1 -08:19:13 6.1 1.31 155 PPM 201417 18:08:51.0 -09:10:24 8.3 0.47 156 PPM 201406 18:08:17.5 -09:37:37 9.7 0.02 156 469362 18:08:15.1 -09:36:54 15.5 157 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 469362, (2023/06/19 18:49UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 28.54 144 35Eta Oph 17:10:22.7 -15:43:29 2.6 15.08 149 PPM 201392 18:06:07.4 -08:19:27 6.1 1.31 155 PPM 201417 18:07:33.8 -09:10:41 8.3 0.47 156 PPM 201406 18:07:00.0 -09:37:53 9.7 0.02 156 469362 18:06:57.7 -09:37:09 15.5 156 Positions are for J2000
Event circumstances last updated at 2023/04/19 02:38:45 UT
Marc W. Buie, Southwest Research Institute