Event between (47932) 00GN171 and star GA0580:11429868 with event index number of 2313499
Geocentric closest approach at 2022/05/07 17:49:24 UTC
J2000 position of star is 16:47:02.6 -30:40:29
Equinox of date position of star is 16:48:27.6 -30:42:47
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 132 degrees from the moon.
Moon is 38% illuminated.
TNO apparent brightness V=20.9
TNO is 29.3 AU from the Sun
and 28.4 AU from the Earth.
The TNO is moving 20.2
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 176 seconds.
The 1-sigma cross-track error in the shadow position is
1431 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 17.2 sec chord
Diameter=141.6 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is 3:2E
Star training set for 47932, (2022/05/07 17:49UT) Object RA Dec mag sep mel Antares 16:30:46.9 -26:28:47 0.9 5.74 127 23Tau Sco 16:37:16.7 -28:15:38 2.8 3.46 129 PPM 295639 16:56:01.7 -30:37:19 6.5 1.63 133 PPM 295476 16:48:24.1 -31:02:11 8.5 0.32 132 PPM 295470 16:48:03.0 -30:39:36 8.7 0.10 131 47932 16:48:28.1 -30:42:48 16.7 132 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, (2022/05/07 17:49UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.74 127 23Tau Sco 16:35:52.9 -28:12:58 2.8 3.46 129 PPM 295639 16:54:36.0 -30:35:14 6.5 1.63 133 PPM 295476 16:46:58.4 -30:59:52 8.5 0.32 132 PPM 295470 16:46:37.5 -30:37:16 8.7 0.10 131 47932 16:47:02.6 -30:40:29 16.7 131 Positions are for J2000
Event circumstances last updated at 2022/03/15 01:01:45 UT
Marc W. Buie, Southwest Research Institute