Event between (469442) 02GG166 and star GA0600:20908696 with event index number of 1209735
Geocentric closest approach at 2023/06/23 15:36:12 UTC
J2000 position of star is 17:22:54.9 -29:27:13
Equinox of date position of star is 17:24:23.9 -29:28:26
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 110 degrees from the moon.
Moon is 26% illuminated.
Apparent brightness V=20.2
Object is 15.9 AU from the Sun
and 14.9 AU from the Earth.
Apparent velocity is 20.1
km/sec on the sky relative to the star, or,
6.7 arcsec/hr.
The 1-sigma error in the time of the event is 70 seconds.
The 1-sigma cross-track error in the shadow position is
588 km.
The object has an absolute magnitude Hv=8.2
Diameter=136.1 km assuming a 5% albedo -- 6.8 sec chord
Diameter=55.6 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
Star training set for 469442, (2023/06/23 15:36UT) Object RA Dec mag sep mel Antares 16:30:51.0 -26:28:55 0.9 12.19 98 34Ups Sco 17:32:21.7 -37:18:44 2.7 8.01 112 PPM 266892 17:29:07.4 -29:44:33 6.4 1.06 111 PPM 266745 17:23:09.5 -29:45:06 8.5 0.39 110 PPM 266791 17:24:38.7 -29:33:15 9.5 0.09 110 469442 17:24:24.6 -29:28:27 16.6 110 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 469442, (2023/06/23 15:36UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.19 98 34Ups Sco 17:30:45.8 -37:17:46 2.7 8.01 112 PPM 266892 17:27:37.5 -29:43:29 6.4 1.06 111 PPM 266745 17:21:39.6 -29:43:49 8.5 0.39 110 PPM 266791 17:23:09.0 -29:32:01 9.5 0.09 110 469442 17:22:54.9 -29:27:13 16.6 110 Positions are for J2000
Event circumstances last updated at 2023/04/19 02:38:52 UT
Marc W. Buie, Southwest Research Institute