Event between 04KZ18 and star UC4-388-076611 with event index number of 98329
Geocentric closest approach at 2017/06/19 20:08:52 UTC
J2000 position of star is 17:08:24.6 -12:25:13
Equinox of date position of star is 17:09:23.0 -12:26:30
Stellar brightness R=16.5,
use SENSEUP=128
Star is 132 degrees from the moon.
Moon is 25% illuminated.
TNO apparent brightness V=23.9
TNO is 34.6 AU from the Sun
and 33.7 AU from the Earth.
The TNO is moving 23.2
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 345 seconds.
The 1-sigma cross-track error in the shadow position is
3102 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=119.7 km assuming a 5% albedo -- 5.2 sec chord
Diameter=48.9 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is 5:2EEE+5:2EII
Star training set for 04KZ18, (2017/06/19 20:09UT) Object RA Dec mag sep mel Antares 16:30:28.9 -26:28:10 0.9 16.74 138 35Eta Oph 17:11:22.9 -15:44:43 2.6 3.34 131 PPM 232685 17:10:46.0 -10:32:41 5.6 1.93 132 PPM 232656 17:09:23.6 -12:03:18 7.9 0.39 132 PPM 232645 17:09:04.4 -12:22:17 9.5 0.10 132 04KZ18 17:09:23.3 -12:26:30 16.5 132 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 04KZ18, (2017/06/19 20:09UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.74 138 35Eta Oph 17:10:22.7 -15:43:29 2.6 3.34 131 PPM 232685 17:09:48.0 -10:31:26 5.6 1.93 132 PPM 232656 17:08:25.0 -12:02:00 7.9 0.39 132 PPM 232645 17:08:05.7 -12:21:00 9.5 0.10 132 04KZ18 17:08:24.6 -12:25:13 16.5 132 Positions are for J2000
Event circumstances last updated at 2017/05/14 18:35:01 UT
Marc W. Buie, Southwest Research Institute