Event between 04KV18 and star GA0720:15254834 with event index number of 180164
Geocentric closest approach at 2019/02/16 18:28:28 UTC
J2000 position of star is 17:48:15.2 -16:39:07
Equinox of date position of star is 17:49:20.4 -16:39:25
Stellar brightness G=13.8,
use SENSEUP=64
Star is 159 degrees from the moon.
Moon is 88% illuminated.
TNO apparent brightness V=23.9
TNO is 29.7 AU from the Sun
and 30.2 AU from the Earth.
The TNO is moving 20.9
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 308 seconds.
The 1-sigma cross-track error in the shadow position is
1836 km.
The TNO has an absolute magnitude Hv=9.0
Diameter=95.5 km assuming a 5% albedo -- 4.6 sec chord
Diameter=39.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 04KV18, (2019/02/16 18:28UT) Object RA Dec mag sep mel Antares 16:30:35.0 -26:28:22 0.9 20.74 142 35Eta Oph 17:11:28.6 -15:44:50 2.6 9.14 150 PPM 233599 17:48:42.3 -14:43:53 5.9 1.93 158 PPM 233573 17:47:17.2 -16:35:50 8.4 0.50 159 PPM 233613 17:49:32.1 -16:49:57 8.6 0.18 159 04KV18 17:49:21.6 -16:39:26 13.8 160 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 04KV18, (2019/02/16 18:28UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.74 142 35Eta Oph 17:10:22.7 -15:43:29 2.6 9.14 150 PPM 233599 17:47:36.7 -14:43:33 5.9 1.93 158 PPM 233573 17:46:10.8 -16:35:27 8.4 0.50 159 PPM 233613 17:48:25.6 -16:49:38 8.6 0.18 159 04KV18 17:48:15.2 -16:39:07 13.8 159 Positions are for J2000
Event circumstances last updated at 2018/10/07 16:16:59 UT
Marc W. Buie, Southwest Research Institute