Event between (47932) 00GN171 and star GA0580:18249166 with event index number of 2314479
Geocentric closest approach at 2024/02/18 07:10:26 UTC
J2000 position of star is 17:11:35.5 -31:25:49
Equinox of date position of star is 17:13:09.0 -31:27:29
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 176 degrees from the moon.
Moon is 67% illuminated.
Apparent brightness V=21.2
Object is 29.6 AU from the Sun
and 29.9 AU from the Earth.
Apparent velocity is 17.7
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 260 seconds.
The 1-sigma cross-track error in the shadow position is
2767 km.
The object has an absolute magnitude Hv=6.3
Diameter=346.7 km assuming a 5% albedo -- 18.9 sec chord
Diameter=141.6 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is 3:2E
Star training set for 47932, (2024/02/18 07:10UT) Object RA Dec mag sep mel Antares 16:30:53.5 -26:29:00 0.9 10.49 171 26Eps Sco 16:51:44.0 -34:20:05 2.3 5.34 172 PPM 296042 17:14:32.8 -32:27:55 6.2 1.05 175 PPM 296026 17:13:42.0 -30:48:01 8.4 0.67 177 PPM 296005 17:12:37.0 -31:36:40 9.4 0.19 176 47932 17:13:09.0 -31:27:29 16.6 176 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, (2024/02/18 07:10UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.49 171 26Eps Sco 16:50:08.8 -34:17:41 2.3 5.34 172 PPM 296042 17:12:58.5 -32:26:18 6.2 1.05 175 PPM 296026 17:12:09.0 -30:46:22 8.4 0.67 177 PPM 296005 17:11:03.4 -31:34:59 9.4 0.19 176 47932 17:11:35.5 -31:25:49 16.6 176 Positions are for J2000
Event circumstances last updated at 2024/02/12 04:17:23 UT
Marc W. Buie, Southwest Research Institute