Event between 11HJ103 and star UC4-348-176057 with event index number of 202347
Geocentric closest approach at 2018/03/24 21:57:20 UTC
J2000 position of star is 19:17:25.9 -20:26:36
Equinox of date position of star is 19:18:29.4 -20:24:36
Stellar brightness R=13.1,
use SENSEUP=32
Star is 170 degrees from the moon.
Moon is 53% illuminated.
TNO apparent brightness V=25.5
TNO is 40.1 AU from the Sun
and 40.3 AU from the Earth.
The TNO is moving 12.8
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 894 seconds.
The 1-sigma cross-track error in the shadow position is
3310 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=82.0 km assuming a 5% albedo -- 6.4 sec chord
Diameter=33.5 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 11HJ103, (2018/03/24 21:57UT) Object RA Dec mag sep mel Antares 16:30:31.7 -26:28:15 0.9 38.83 151 Nunki 18:56:23.7 -26:16:21 2.0 7.75 172 43 Sgr 19:18:42.0 -18:55:09 4.9 1.49 169 PPM 269570 19:18:17.0 -20:30:47 8.4 0.12 170 11HJ103 19:18:30.5 -20:24:34 13.1 169 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 11HJ103, (2018/03/24 21:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 38.83 151 Nunki 18:55:15.9 -26:17:49 2.0 7.75 172 43 Sgr 19:17:38.1 -18:57:11 4.9 1.49 169 PPM 269570 19:17:12.4 -20:32:48 8.4 0.12 170 11HJ103 19:17:25.9 -20:26:36 13.1 170 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:22:46 UT
Marc W. Buie, Southwest Research Institute