Event between 14GQ53 and star GA0900:04473338 with event index number of 207135
Geocentric closest approach at 2018/08/31 12:52:32 UTC
J2000 position of star is 16:07:59.4 +00:21:03
Equinox of date position of star is 16:08:55.9 +00:18:10
Stellar brightness G=15.5,
use SENSEUP=128
Star is 152 degrees from the moon.
Moon is 76% illuminated.
TNO apparent brightness V=22.5
TNO is 19.2 AU from the Sun
and 19.3 AU from the Earth.
The TNO is moving 16.5
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 126 seconds.
The 1-sigma cross-track error in the shadow position is
3107 km.
The TNO has an absolute magnitude Hv=9.4
Diameter=80.5 km assuming a 5% albedo -- 4.9 sec chord
Diameter=32.9 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 14GQ53, (2018/08/31 12:53UT) Object RA Dec mag sep mel Antares 16:30:33.3 -26:28:19 0.9 27.28 145 1Del Oph 16:15:19.5 -03:44:28 2.7 4.35 152 PPM 199363 16:10:49.2 -03:30:53 5.0 3.85 153 PPM 162291 16:10:38.5 +00:46:18 8.2 0.63 152 PPM 162273 16:09:28.7 +00:32:34 9.4 0.28 152 14GQ53 16:08:56.7 +00:18:08 15.5 152 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 14GQ53, (2018/08/31 12:53UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.28 145 1Del Oph 16:14:20.7 -03:41:42 2.7 4.35 152 PPM 199363 16:09:50.5 -03:28:00 5.0 3.85 153 PPM 162291 16:09:41.4 +00:49:11 8.2 0.63 152 PPM 162273 16:08:31.5 +00:35:29 9.4 0.28 152 14GQ53 16:07:59.4 +00:21:03 15.5 152 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:22:33 UT
Marc W. Buie, Southwest Research Institute