Event between (523682) 14CN23 and star UC4-293-082869 with event index number of 308503
Geocentric closest approach at 2019/06/03 03:50:03 UTC
J2000 position of star is 15:21:32.9 -31:30:13
Equinox of date position of star is 15:22:42.7 -31:34:13
Stellar brightness R=15.9,
use SENSEUP=128
Star is 160 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=21.6
TNO is 18.8 AU from the Sun
and 17.8 AU from the Earth.
The TNO is moving 22.3
km/sec on the sky relative to the star, or,
6.2 arcsec/hr.
The 1-sigma error in the time of the event is 43 seconds.
The 1-sigma cross-track error in the shadow position is
766 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 4.7 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 523682, (2019/06/03 03:50UT) Object RA Dec mag sep mel Antares 16:30:36.1 -26:28:24 0.9 15.66 172 Eta Lup 16:01:24.9 -38:27:01 2.8 10.48 159 PPM 293691 15:19:53.0 -31:16:45 6.3 0.68 159 PPM 293756 15:23:14.7 -31:36:17 9.1 0.11 160 523682 15:22:44.9 -31:34:20 15.9 160 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 523682, (2019/06/03 03:50UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.66 172 Eta Lup 16:00:07.3 -38:23:48 2.8 10.48 159 PPM 293691 15:18:41.3 -31:12:33 6.3 0.68 159 PPM 293756 15:22:02.7 -31:32:10 9.1 0.11 160 523682 15:21:32.9 -31:30:13 15.9 160 Positions are for J2000
Event circumstances last updated at 2018/10/24 21:33:13 UT
Marc W. Buie, Southwest Research Institute