Event between 15KN173 and star GA0720:05952317 with event index number of 1012588
Geocentric closest approach at 2019/05/04 01:25:45 UTC
J2000 position of star is 16:12:17.2 -16:52:14
Equinox of date position of star is 16:13:22.9 -16:55:07
Stellar brightness G=12.4,
use SENSEUP=16
Star is 149 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=23.5
TNO is 31.9 AU from the Sun
and 31.0 AU from the Earth.
The TNO is moving 21.7
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 484 seconds.
The 1-sigma cross-track error in the shadow position is
5680 km.
The TNO has an absolute magnitude Hv=8.4
Diameter=124.7 km assuming a 5% albedo -- 5.8 sec chord
Diameter=50.9 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is 3:2E
Star training set for 15KN173, (2019/05/04 01:26UT) Object RA Dec mag sep mel Antares 16:30:35.8 -26:28:24 0.9 10.35 142 8Bet1Sco 16:06:33.9 -19:51:25 2.6 3.35 149 PPM 231413 16:15:46.4 -18:35:02 6.1 1.76 148 PPM 231403 16:15:22.6 -16:35:19 8.3 0.58 148 PPM 231338 16:13:07.8 -16:51:18 9.1 0.09 149 15KN173 16:13:23.7 -16:55:09 12.4 148 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 15KN173, (2019/05/04 01:26UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.35 142 8Bet1Sco 16:05:26.2 -19:48:20 2.6 3.35 149 PPM 231413 16:14:39.1 -18:32:11 6.1 1.76 148 PPM 231403 16:14:16.3 -16:32:27 8.3 0.58 148 PPM 231338 16:12:01.4 -16:48:23 9.1 0.09 149 15KN173 16:12:17.2 -16:52:14 12.4 149 Positions are for J2000
Event circumstances last updated at 2019/02/12 07:34:44 UT
Marc W. Buie, Southwest Research Institute