Event between 16FW59 and star GA0800:04209010 with event index number of 1044099
Geocentric closest approach at 2019/07/20 19:01:25 UTC
J2000 position of star is 12:16:54.9 -08:30:10
Equinox of date position of star is 12:17:53.8 -08:36:31
Stellar brightness G=16.5,
use SENSEUP=128
Star is 152 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=22.8
TNO is 45.3 AU from the Sun
and 45.7 AU from the Earth.
The TNO is moving 14.8
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 301 seconds.
The 1-sigma cross-track error in the shadow position is
2645 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=371.5 km assuming a 5% albedo -- 25.0 sec chord
Diameter=151.7 km assuming a 30% albedo -- 10.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 16FW59, (2019/07/20 19:01UT) Object RA Dec mag sep mel Spica 13:26:13.5 -11:15:46 1.0 17.02 136 4Gam Crv 12:16:48.9 -17:39:01 2.6 9.04 145 PPM 225575 12:16:11.0 -10:25:35 6.1 1.87 151 PPM 195354 12:19:32.5 -09:00:48 7.8 0.57 151 PPM 195332 12:17:42.8 -08:26:43 9.6 0.17 152 16FW59 12:17:55.3 -08:36:40 16.5 151 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 16FW59, (2019/07/20 19:01UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 17.02 136 4Gam Crv 12:15:48.2 -17:32:31 2.6 9.04 145 PPM 225575 12:15:10.6 -10:19:05 6.1 1.87 151 PPM 195354 12:18:32.1 -08:54:17 7.8 0.57 151 PPM 195332 12:16:42.4 -08:20:13 9.6 0.17 152 16FW59 12:16:54.9 -08:30:10 16.5 152 Positions are for J2000
Event circumstances last updated at 2019/02/01 22:19:08 UT
Marc W. Buie, Southwest Research Institute