Event between 04KC19 and star GA0680:15225770 with event index number of 258961
Geocentric closest approach at 2018/06/18 19:18:05 UTC
J2000 position of star is 17:38:22.8 -20:55:37
Equinox of date position of star is 17:39:28.8 -20:56:10
Stellar brightness G=16.9,
use SENSEUP=128
Star is 109 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=23.2
TNO is 30.3 AU from the Sun
and 29.3 AU from the Earth.
The TNO is moving 23.3
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 197 seconds.
The 1-sigma cross-track error in the shadow position is
1084 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=121.3 km assuming a 5% albedo -- 5.2 sec chord
Diameter=49.5 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is 3:2E
Star training set for 04KC19, (2018/06/18 19:18UT) Object RA Dec mag sep mel Antares 16:30:32.5 -26:28:17 0.9 16.71 94 35Eta Oph 17:11:26.3 -15:44:48 2.6 8.44 101 PPM 267109 17:39:51.5 -21:55:19 6.4 0.99 109 PPM 267087 17:38:56.7 -20:40:38 8.4 0.29 108 PPM 267110 17:39:51.8 -20:58:11 9.4 0.09 109 04KC19 17:39:29.0 -20:56:11 16.9 109 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 04KC19, (2018/06/18 19:18UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.71 94 35Eta Oph 17:10:22.7 -15:43:29 2.6 8.44 101 PPM 267109 17:38:44.8 -21:54:46 6.4 0.99 109 PPM 267087 17:37:50.6 -20:40:03 8.4 0.29 108 PPM 267110 17:38:45.6 -20:57:37 9.4 0.09 109 04KC19 17:38:22.8 -20:55:37 16.9 109 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:09:23 UT
Marc W. Buie, Southwest Research Institute