Event between (469442) 02GG166 and star GA0580:28186414 with event index number of 1298650
Geocentric closest approach at 2024/06/09 01:04:32 UTC
J2000 position of star is 18:00:05.6 -30:18:29
Equinox of date position of star is 18:01:39.9 -30:18:27
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 160 degrees from the moon.
Moon is 8% illuminated.
Apparent brightness V=20.0
Object is 15.4 AU from the Sun
and 14.4 AU from the Earth.
Apparent velocity is 19.6
km/sec on the sky relative to the star, or,
6.8 arcsec/hr.
The 1-sigma error in the time of the event is 100 seconds.
The 1-sigma cross-track error in the shadow position is
578 km.
The object has an absolute magnitude Hv=8.2
Diameter=136.1 km assuming a 5% albedo -- 7.0 sec chord
Diameter=55.6 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is CENTAURR
Star training set for 469442, (2024/06/09 01:04UT) Object RA Dec mag sep mel Antares 16:30:54.6 -26:29:03 0.9 20.29 140 34Ups Sco 17:32:25.7 -37:18:46 2.7 9.26 153 10Gam2Sgr 18:07:22.7 -30:25:17 3.0 1.24 161 PPM 297099 18:01:24.2 -30:19:21 8.3 0.06 160 469442 18:01:39.9 -30:18:27 16.9 160 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, (2024/06/09 01:04UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.29 140 34Ups Sco 17:30:45.8 -37:17:46 2.7 9.26 153 10Gam2Sgr 18:05:48.4 -30:25:31 3.0 1.24 161 PPM 297099 17:59:50.0 -30:19:23 8.3 0.06 160 469442 18:00:05.6 -30:18:29 16.9 160 Positions are for J2000
Event circumstances last updated at 2024/06/08 03:25:24 UT
Marc W. Buie, Southwest Research Institute