Event between 09KN30 and star GA0640:26989935 with event index number of 196367
Geocentric closest approach at 2019/03/19 06:22:16 UTC
J2000 position of star is 18:19:17.3 -24:19:36
Equinox of date position of star is 18:20:27.6 -24:19:03
Stellar brightness G=16.3,
use SENSEUP=128
Star is 122 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=23.3
TNO is 33.5 AU from the Sun
and 33.6 AU from the Earth.
The TNO is moving 9.8
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 465 seconds.
The 1-sigma cross-track error in the shadow position is
1340 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=156.3 km assuming a 5% albedo -- 15.9 sec chord
Diameter=63.8 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 09KN30, (2019/03/19 06:22UT) Object RA Dec mag sep mel Antares 16:30:35.3 -26:28:23 0.9 24.86 97 Nunki 18:56:27.3 -26:16:16 2.0 8.36 130 PPM 268291 18:22:42.3 -24:54:17 6.0 0.78 122 PPM 268162 18:17:44.7 -23:53:42 8.1 0.75 121 PPM 268219 18:19:51.2 -24:22:52 10.0 0.15 121 09KN30 18:20:28.0 -24:19:03 16.3 122 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 09KN30, (2019/03/19 06:22UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.86 97 Nunki 18:55:15.9 -26:17:49 2.0 8.36 130 PPM 268291 18:21:31.4 -24:54:54 6.0 0.78 122 PPM 268162 18:16:34.3 -23:54:10 8.1 0.75 121 PPM 268219 18:18:40.5 -24:23:24 10.0 0.15 121 09KN30 18:19:17.3 -24:19:36 16.3 121 Positions are for J2000
Event circumstances last updated at 2019/02/12 06:51:21 UT
Marc W. Buie, Southwest Research Institute