Event between (47932) 00GN171 and star UC4-318-082744 with event index number of 82022
Geocentric closest approach at 2017/05/28 19:21:44 UTC
J2000 position of star is 15:46:26.1 -26:26:45
Equinox of date position of star is 15:47:27.0 -26:29:49
Stellar brightness R=15.0
Star is 130 degrees from the moon.
Moon is 13% illuminated.
TNO apparent brightness V=20.7
TNO is 28.7 AU from the Sun
and 27.7 AU from the Earth.
The TNO is moving 23.0
km/sec on the sky relative to the star, or,
4.1 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is
1212 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 15.1 sec chord
Diameter=141.6 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is 3:2E
Star training set for 47932, (2017/05/28 19:22UT) Object RA Dec mag sep mel Antares 16:30:28.6 -26:28:09 0.9 9.62 139 7Del Sco 16:01:21.9 -22:40:12 2.3 4.96 132 PPM 264761 15:51:38.0 -26:20:29 6.5 0.94 131 PPM 264670 15:47:42.6 -26:45:37 8.5 0.27 130 PPM 264679 15:48:05.3 -26:22:15 8.9 0.19 130 47932 15:47:29.3 -26:29:56 15.0 130 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, (2017/05/28 19:22UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 9.62 139 7Del Sco 16:00:20.0 -22:37:18 2.3 4.96 132 PPM 264761 15:50:34.8 -26:17:23 6.5 0.94 131 PPM 264670 15:46:39.3 -26:42:26 8.5 0.27 130 PPM 264679 15:47:02.1 -26:19:05 8.9 0.19 130 47932 15:46:26.1 -26:26:45 15.0 130 Positions are for J2000
Event circumstances last updated at 2016/10/07 18:07:32 UT
Marc W. Buie, Southwest Research Institute