Event between (47932) 00GN171 and star UC4-313-086768 with event index number of 110284
Geocentric closest approach at 2018/03/19 09:12:19 UTC
J2000 position of star is 16:04:32.9 -27:30:00
Equinox of date position of star is 16:05:38.9 -27:32:53
Stellar brightness R=16.3,
use SENSEUP=128
Star is 135 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=20.9
TNO is 28.7 AU from the Sun
and 28.3 AU from the Earth.
The TNO is moving 6.9
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 428 seconds.
The 1-sigma cross-track error in the shadow position is
2065 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 50.3 sec chord
Diameter=141.6 km assuming a 30% albedo -- 20.5 sec chord
Dynamical classification is 3:2E
Star training set for 47932, (2018/03/19 09:12UT) Object RA Dec mag sep mel Antares 16:30:31.6 -26:28:15 0.9 5.64 130 7Del Sco 16:01:24.8 -22:40:20 2.3 4.97 138 PPM 265162 16:09:14.4 -26:22:27 4.8 1.42 135 PPM 265161 16:09:14.5 -27:46:40 7.4 0.82 134 PPM 265073 16:05:28.1 -27:39:40 10.0 0.12 135 47932 16:05:40.0 -27:32:56 16.3 135 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, (2018/03/19 09:12UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.64 130 7Del Sco 16:00:20.0 -22:37:18 2.3 4.97 138 PPM 265162 16:08:07.7 -26:19:36 4.8 1.42 135 PPM 265161 16:08:07.2 -27:43:49 7.4 0.82 134 PPM 265073 16:04:20.9 -27:36:45 10.0 0.12 135 47932 16:04:32.9 -27:30:00 16.3 135 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:21:51 UT
Marc W. Buie, Southwest Research Institute