Event between (471155) 10GF65 and star GA0540:11622103 with event index number of 250778
Geocentric closest approach at 2020/03/22 20:49:01 UTC
J2000 position of star is 16:44:59.4 -34:22:21
Equinox of date position of star is 16:46:13.6 -34:24:21
Stellar brightness G=16.2,
use SENSEUP=128
Star is 91 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=20.9
TNO is 23.0 AU from the Sun
and 22.7 AU from the Earth.
The TNO is moving 6.6
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 695 seconds.
The 1-sigma cross-track error in the shadow position is
4629 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 34.8 sec chord
Diameter=93.5 km assuming a 30% albedo -- 14.2 sec chord
Dynamical classification is CENTAURR
Star training set for 471155, (2020/03/22 20:49UT) Object RA Dec mag sep mel Antares 16:30:39.0 -26:28:31 0.9 8.62 96 26Eps Sco 16:51:28.7 -34:19:41 2.3 1.07 90 PPM 295336 16:41:32.1 -33:46:54 6.4 1.17 92 PPM 295450 16:46:55.0 -33:53:11 7.3 0.54 91 PPM 295438 16:46:21.5 -34:20:11 9.8 0.07 91 471155 16:46:19.2 -34:24:30 16.2 90 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, (2020/03/22 20:49UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.62 96 26Eps Sco 16:50:08.9 -34:17:41 2.3 1.07 90 PPM 295336 16:40:12.9 -33:44:37 6.4 1.17 92 PPM 295450 16:45:35.6 -33:51:03 7.3 0.54 91 PPM 295438 16:45:01.8 -34:18:02 9.8 0.07 91 471155 16:44:59.4 -34:22:21 16.2 91 Positions are for J2000
Event circumstances last updated at 2018/10/26 20:51:41 UT
Marc W. Buie, Southwest Research Institute