Event between (307251) 02KW14 and star GA0620:18090900 with event index number of 2296199
Geocentric closest approach at 2024/06/10 04:43:57 UTC
J2000 position of star is 17:27:12.9 -27:07:56
Equinox of date position of star is 17:28:43.4 -27:09:04
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 15% illuminated.
Apparent brightness V=21.8
Object is 43.3 AU from the Sun
and 42.3 AU from the Earth.
Apparent velocity is 24.8
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 613 seconds.
The 1-sigma cross-track error in the shadow position is
4152 km.
The object has an absolute magnitude Hv=5.5
Diameter=457.1 km assuming a 5% albedo -- 19.2 sec chord
Diameter=186.6 km assuming a 30% albedo -- 7.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 307251, (2024/06/10 04:44UT) Object RA Dec mag sep mel Antares 16:30:54.6 -26:29:03 0.9 12.91 125 34Ups Sco 17:32:25.7 -37:18:46 2.7 10.19 139 43 Oph 17:24:54.0 -28:09:51 5.1 1.32 137 PPM 266861 17:27:37.9 -27:37:10 7.9 0.53 138 PPM 266873 17:28:15.7 -27:15:52 9.7 0.16 138 307251 17:28:44.7 -27:09:05 16.6 138 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 307251, (2024/06/10 04:44UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.91 125 34Ups Sco 17:30:45.8 -37:17:46 2.7 10.19 139 43 Oph 17:23:21.6 -28:08:35 5.1 1.32 137 PPM 266861 17:26:05.9 -27:36:00 7.9 0.53 138 PPM 266873 17:26:43.9 -27:14:43 9.7 0.16 138 307251 17:27:12.9 -27:07:56 16.6 138 Positions are for J2000
Event circumstances last updated at 2024/02/12 04:26:30 UT
Marc W. Buie, Southwest Research Institute