Event between 11UQ411 and star GA1020:00217125 with event index number of 238887
Geocentric closest approach at 2019/10/17 15:30:33 UTC
J2000 position of star is 02:23:35.3 +12:29:53
Equinox of date position of star is 02:24:38.5 +12:35:08
Stellar brightness G=13.8,
use SENSEUP=64
Star is 29 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=24.0
TNO is 49.2 AU from the Sun
and 48.2 AU from the Earth.
The TNO is moving 25.9
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 368 seconds.
The 1-sigma cross-track error in the shadow position is
4617 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 8.8 sec chord
Diameter=93.5 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 11UQ411, (2019/10/17 15:31UT) Object RA Dec mag sep mel Aldebaran 04:37:03.5 +16:32:51 0.8 32.24 4 6Bet Ari 01:55:44.3 +20:54:14 2.6 10.82 35 24Xi Ari 02:25:52.9 +10:41:57 5.5 1.91 29 PPM 118217 02:26:38.0 +12:03:30 7.7 0.72 29 PPM 118154 02:22:56.8 +12:20:56 8.6 0.48 30 PPM 118166 02:23:45.5 +12:38:55 10.2 0.23 29 11UQ411 02:24:39.6 +12:35:14 13.8 29 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 11UQ411, (2019/10/17 15:31UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 32.24 4 6Bet Ari 01:54:38.5 +20:48:27 2.6 10.82 35 24Xi Ari 02:24:49.1 +10:36:38 5.5 1.91 29 PPM 118217 02:25:33.8 +11:58:11 7.7 0.72 29 PPM 118154 02:21:52.5 +12:15:33 8.6 0.48 30 PPM 118166 02:22:41.2 +12:33:33 10.2 0.23 29 11UQ411 02:23:35.3 +12:29:53 13.8 29 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:46:06 UT
Marc W. Buie, Southwest Research Institute