Event between (471155) 10GF65 and star GA0540:10641755 with event index number of 271414
Geocentric closest approach at 2020/06/17 17:52:16 UTC
J2000 position of star is 16:34:33.6 -34:29:18
Equinox of date position of star is 16:35:50.0 -34:31:39
Stellar brightness G=16.5,
use SENSEUP=128
Star is 150 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=20.7
TNO is 23.0 AU from the Sun
and 22.0 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
4.8 arcsec/hr.
The 1-sigma error in the time of the event is 569 seconds.
The 1-sigma cross-track error in the shadow position is
3316 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 10.7 sec chord
Diameter=93.5 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURR
Star training set for 471155, (2020/06/17 17:52UT) Object RA Dec mag sep mel Antares 16:30:39.9 -26:28:32 0.9 8.13 155 26Eps Sco 16:51:29.6 -34:19:43 2.3 3.22 147 PPM 295143 16:32:43.4 -34:44:49 4.2 0.69 150 PPM 295183 16:34:57.0 -34:26:15 8.4 0.22 150 PPM 295205 16:36:00.8 -34:40:36 9.9 0.15 150 471155 16:35:54.1 -34:31:47 16.5 149 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 471155, (2020/06/17 17:52UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.13 155 26Eps Sco 16:50:08.9 -34:17:41 2.3 3.22 147 PPM 295143 16:31:22.9 -34:42:16 4.2 0.69 150 PPM 295183 16:33:36.7 -34:23:46 8.4 0.22 150 PPM 295205 16:34:40.2 -34:38:08 9.9 0.15 150 471155 16:34:33.6 -34:29:18 16.5 150 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:53:00 UT
Marc W. Buie, Southwest Research Institute