Event between (312645) 10EP65 and star GA0800:04411964 with event index number of 262576
Geocentric closest approach at 2020/05/11 13:44:21 UTC
J2000 position of star is 13:43:03.7 -09:32:27
Equinox of date position of star is 13:44:07.9 -09:38:31
Stellar brightness G=11.3,
use SENSEUP=8
Star is 79 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=25.2
TNO is 33.2 AU from the Sun
and 32.3 AU from the Earth.
The TNO is moving 21.6
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 125 seconds.
The 1-sigma cross-track error in the shadow position is
1384 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=524.8 km assuming a 5% albedo -- 2.8 sec chord
Diameter=214.3 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 2:1E
Star training set for 312645, (2020/05/11 13:44UT) Object RA Dec mag sep mel Spica 13:26:16.1 -11:16:01 1.0 4.68 82 82 Vir 13:42:41.1 -08:48:18 5.0 0.91 79 PPM 227678 13:42:27.5 -10:33:17 7.9 1.00 79 PPM 196795 13:44:03.6 -09:43:04 9.4 0.08 79 312645 13:44:08.4 -09:38:34 11.3 78 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 312645, (2020/05/11 13:44UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 4.68 82 82 Vir 13:41:36.7 -08:42:10 5.0 0.91 79 PPM 227678 13:41:22.7 -10:27:09 7.9 1.00 79 PPM 196795 13:42:59.0 -09:36:57 9.4 0.08 79 312645 13:43:03.7 -09:32:27 11.3 79 Positions are for J2000
Event circumstances last updated at 2020/03/16 21:34:25 UT
Marc W. Buie, Southwest Research Institute