Event between 11HJ103 and star UC4-347-167209 with event index number of 202261
Geocentric closest approach at 2017/08/17 15:33:17 UTC
J2000 position of star is 19:03:43.8 -20:42:18
Equinox of date position of star is 19:04:46.4 -20:40:40
Stellar brightness R=16.3,
use SENSEUP=128
Star is 165 degrees from the moon.
Moon is 22% illuminated.
TNO apparent brightness V=25.4
TNO is 40.1 AU from the Sun
and 39.3 AU from the Earth.
The TNO is moving 17.4
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 449 seconds.
The 1-sigma cross-track error in the shadow position is
1795 km.
The TNO has an absolute magnitude Hv=9.3
Diameter=82.0 km assuming a 5% albedo -- 4.7 sec chord
Diameter=33.5 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 11HJ103, (2017/08/17 15:33UT) Object RA Dec mag sep mel Antares 16:30:29.5 -26:28:11 0.9 35.69 158 Nunki 18:56:21.4 -26:16:24 2.0 5.92 165 39Omi Sgr 19:05:44.3 -21:42:51 3.9 1.06 164 PPM 269280 19:06:06.7 -20:55:12 7.4 0.39 164 PPM 269257 19:04:55.5 -20:39:26 9.3 0.04 165 11HJ103 19:04:46.6 -20:40:40 16.3 164 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, (2017/08/17 15:33UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 35.69 158 Nunki 18:55:15.9 -26:17:49 2.0 5.92 165 39Omi Sgr 19:04:41.1 -21:44:31 3.9 1.06 164 PPM 269280 19:05:03.8 -20:56:52 7.4 0.39 164 PPM 269257 19:03:52.8 -20:41:04 9.3 0.04 165 11HJ103 19:03:43.8 -20:42:18 16.3 165 Positions are for J2000
Event circumstances last updated at 2017/08/01 16:32:44 UT
Marc W. Buie, Southwest Research Institute