Event between (523764) 14WC510 and star GA0940:01037630 with event index number of 348092
Geocentric closest approach at 2019/04/17 05:54:14 UTC
J2000 position of star is 05:59:29.6 +04:36:57
Equinox of date position of star is 06:00:30.8 +04:36:57
Stellar brightness G=16.0,
use SENSEUP=128
Star is 88 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=22.2
TNO is 30.4 AU from the Sun
and 30.8 AU from the Earth.
The TNO is moving 20.5
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 57 seconds.
The 1-sigma cross-track error in the shadow position is
1139 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 10.7 sec chord
Diameter=89.3 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523764, (2019/04/17 05:54UT) Object RA Dec mag sep mel Betelgeuse 05:56:13.0 +07:24:33 0.4 2.99 89 34Del Ori 05:32:59.6 -00:17:11 2.2 8.44 96 66 Ori 06:05:59.5 +04:09:22 5.6 1.44 87 PPM 149746 06:01:15.2 +04:50:09 7.8 0.29 88 PPM 149721 06:00:17.9 +04:27:56 8.9 0.16 88 523764 06:00:31.0 +04:36:57 16.0 88 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 523764, (2019/04/17 05:54UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 2.99 89 34Del Ori 05:32:00.4 -00:17:57 2.2 8.44 96 66 Ori 06:04:58.3 +04:09:31 5.6 1.44 87 PPM 149746 06:00:13.7 +04:50:10 7.8 0.29 88 PPM 149721 05:59:16.6 +04:27:56 8.9 0.16 88 523764 05:59:29.6 +04:36:57 16.0 88 Positions are for J2000
Event circumstances last updated at 2019/03/20 23:22:46 UT
Marc W. Buie, Southwest Research Institute