Event between 00KK4 and star GA0840:05953792 with event index number of 258021
Geocentric closest approach at 2018/06/16 23:48:56 UTC
J2000 position of star is 17:32:37.0 -05:41:29
Equinox of date position of star is 17:33:36.1 -05:42:13
Stellar brightness G=16.2,
use SENSEUP=128
Star is 130 degrees from the moon.
Moon is 14% illuminated.
TNO apparent brightness V=22.6
TNO is 44.7 AU from the Sun
and 43.7 AU from the Earth.
The TNO is moving 25.1
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 175 seconds.
The 1-sigma cross-track error in the shadow position is
1692 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=361.4 km assuming a 5% albedo -- 14.4 sec chord
Diameter=147.5 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 00KK4, (2018/06/16 23:49UT) Object RA Dec mag sep mel Antares 16:30:32.5 -26:28:17 0.9 25.64 120 60Bet Oph 17:44:23.1 +04:33:39 2.8 10.61 129 PPM 200792 17:34:29.0 -05:45:25 5.6 0.23 130 PPM 200737 17:31:38.2 -05:20:15 8.4 0.61 130 PPM 200785 17:34:08.3 -05:37:59 9.5 0.15 130 00KK4 17:33:36.2 -05:42:13 16.2 130 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 00KK4, (2018/06/16 23:49UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 25.64 120 60Bet Oph 17:43:28.3 +04:34:05 2.8 10.61 129 PPM 200792 17:33:29.8 -05:44:43 5.6 0.23 130 PPM 200737 17:30:39.1 -05:19:29 8.4 0.61 130 PPM 200785 17:33:09.1 -05:37:17 9.5 0.15 130 00KK4 17:32:37.0 -05:41:29 16.2 130 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:09:01 UT
Marc W. Buie, Southwest Research Institute