Event between 04KE19 and star UC4-339-078069 with event index number of 123466
Geocentric closest approach at 2018/04/01 17:53:02 UTC
J2000 position of star is 16:18:38.3 -22:16:51
Equinox of date position of star is 16:19:42.3 -22:19:24
Stellar brightness R=14.9,
use SENSEUP=128
Star is 40 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=23.3
TNO is 43.0 AU from the Sun
and 42.5 AU from the Earth.
The TNO is moving 12.1
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 909 seconds.
The 1-sigma cross-track error in the shadow position is
5454 km.
The TNO has an absolute magnitude Hv=6.9
Diameter=252.4 km assuming a 5% albedo -- 20.9 sec chord
Diameter=103.0 km assuming a 30% albedo -- 8.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 04KE19, (2018/04/01 17:53UT) Object RA Dec mag sep mel Antares 16:30:31.8 -26:28:16 0.9 4.82 44 8Bet1Sco 16:06:30.1 -19:51:14 2.6 3.95 36 19Omi Sco 16:21:44.3 -24:12:43 4.0 1.94 41 PPM 265367 16:18:52.0 -21:56:39 8.5 0.43 40 PPM 265385 16:19:41.8 -22:25:26 10.0 0.10 40 04KE19 16:19:43.5 -22:19:27 14.9 40 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 04KE19, (2018/04/01 17:53UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 4.82 44 8Bet1Sco 16:05:26.2 -19:48:20 2.6 3.95 36 19Omi Sco 16:20:38.2 -24:10:10 4.0 1.94 41 PPM 265367 16:17:47.0 -21:54:02 8.5 0.43 40 PPM 265385 16:18:36.6 -22:22:50 10.0 0.10 40 04KE19 16:18:38.3 -22:16:51 14.9 40 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:24:24 UT
Marc W. Buie, Southwest Research Institute