Event between (469442) 02GG166 and star GA0580:28545128 with event index number of 1298618
Geocentric closest approach at 2024/06/04 06:00:42 UTC
J2000 position of star is 18:01:04.5 -30:17:26
Equinox of date position of star is 18:02:37.5 -30:17:22
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon.
Moon is 7% illuminated.
Apparent brightness V=20.1
Object is 15.4 AU from the Sun
and 14.4 AU from the Earth.
Apparent velocity is 19.0
km/sec on the sky relative to the star, or,
6.5 arcsec/hr.
The 1-sigma error in the time of the event is 110 seconds.
The 1-sigma cross-track error in the shadow position is
655 km.
The object has an absolute magnitude Hv=8.2
Diameter=136.1 km assuming a 5% albedo -- 7.2 sec chord
Diameter=55.6 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
Star training set for 469442, (2024/06/04 06:01UT) Object RA Dec mag sep mel Antares 16:30:54.5 -26:29:03 0.9 20.49 155 34Ups Sco 17:32:25.6 -37:18:46 2.7 9.41 139 10Gam2Sgr 18:07:22.7 -30:25:17 3.0 1.03 133 PPM 297133 18:02:52.2 -30:09:46 8.5 0.14 134 PPM 297122 18:02:15.1 -30:12:53 9.5 0.11 134 469442 18:02:38.7 -30:17:22 15.2 134 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, (2024/06/04 06:01UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.49 155 34Ups Sco 17:30:45.8 -37:17:46 2.7 9.41 139 10Gam2Sgr 18:05:48.4 -30:25:31 3.0 1.03 133 PPM 297133 18:01:18.1 -30:09:50 8.5 0.14 134 PPM 297122 18:00:41.0 -30:12:57 9.5 0.11 134 469442 18:01:04.5 -30:17:26 15.2 134 Positions are for J2000
Event circumstances last updated at 2024/02/12 04:25:41 UT
Marc W. Buie, Southwest Research Institute