Event between 13HU156 and star GA0860:04888016 with event index number of 213689
Geocentric closest approach at 2019/09/19 08:59:55 UTC
J2000 position of star is 16:31:51.5 -03:09:00
Equinox of date position of star is 16:32:52.2 -03:11:24
Stellar brightness G=15.6,
use SENSEUP=128
Star is 161 degrees from the moon.
Moon is 77% illuminated.
TNO apparent brightness V=21.6
TNO is 38.4 AU from the Sun
and 38.7 AU from the Earth.
The TNO is moving 17.0
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 92 seconds.
The 1-sigma cross-track error in the shadow position is
1490 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=465.6 km assuming a 5% albedo -- 27.4 sec chord
Diameter=190.1 km assuming a 30% albedo -- 11.2 sec chord
Dynamical classification is 3:2E
Star training set for 13HU156, (2019/09/19 09:00UT) Object RA Dec mag sep mel Antares 16:30:37.2 -26:28:27 0.9 23.29 162 1Del Oph 16:15:22.8 -03:44:37 2.7 4.40 164 12 Oph 16:37:23.7 -02:21:55 5.8 1.40 159 PPM 199781 16:35:00.3 -03:49:49 8.2 0.83 161 PPM 199738 16:32:42.6 -03:03:57 9.9 0.13 161 13HU156 16:32:53.5 -03:11:27 15.6 160 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 13HU156, (2019/09/19 09:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 23.29 162 1Del Oph 16:14:20.7 -03:41:42 2.7 4.40 164 12 Oph 16:36:22.0 -02:19:35 5.8 1.40 159 PPM 199781 16:33:58.1 -03:47:25 8.2 0.83 161 PPM 199738 16:31:40.7 -03:01:30 9.9 0.13 161 13HU156 16:31:51.5 -03:09:00 15.6 161 Positions are for J2000
Event circumstances last updated at 2019/04/25 23:17:07 UT
Marc W. Buie, Southwest Research Institute