Event between (47932) 00GN171 and star GA0580:14187523 with event index number of 2313890
Geocentric closest approach at 2023/04/25 04:28:15 UTC
J2000 position of star is 16:59:58.9 -31:15:48
Equinox of date position of star is 17:01:28.8 -31:17:48
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 162 degrees from the moon.
Moon is 25% illuminated.
Apparent brightness V=21.1
Object is 29.5 AU from the Sun
and 28.7 AU from the Earth.
Apparent velocity is 15.9
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 268 seconds.
The 1-sigma cross-track error in the shadow position is
1724 km.
The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 21.0 sec chord
Diameter=141.6 km assuming a 30% albedo -- 8.6 sec chord
Dynamical classification is 3:2E
Star training set for 47932, (2023/04/25 04:28UT) Object RA Dec mag sep mel Antares 16:30:50.4 -26:28:54 0.9 8.25 155 26Eps Sco 16:51:40.7 -34:20:00 2.3 3.67 159 PPM 295807 17:03:23.3 -32:10:34 5.0 0.97 162 PPM 295758 17:01:21.4 -31:44:35 8.4 0.45 162 PPM 295748 17:00:46.5 -31:13:33 9.0 0.17 162 47932 17:01:28.9 -31:17:48 16.3 162 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 47932, (2023/04/25 04:28UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.25 155 26Eps Sco 16:50:08.8 -34:17:41 2.3 3.67 159 PPM 295807 17:01:52.6 -32:08:38 5.0 0.97 162 PPM 295758 16:59:51.1 -31:42:35 8.4 0.45 162 PPM 295748 16:59:16.6 -31:11:32 9.0 0.17 162 47932 16:59:58.9 -31:15:48 16.3 162 Positions are for J2000
Event circumstances last updated at 2023/04/19 02:32:51 UT
Marc W. Buie, Southwest Research Institute