Event between (471136) 10EO65 and star UC4-289-131105 with event index number of 329395
Geocentric closest approach at 2020/03/09 07:49:29 UTC
J2000 position of star is 17:50:13.4 -32:17:08
Equinox of date position of star is 17:51:29.6 -32:17:23
Stellar brightness R=16.3,
use SENSEUP=128
Star is 105 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=21.6
TNO is 14.9 AU from the Sun
and 15.0 AU from the Earth.
The TNO is moving 14.3
km/sec on the sky relative to the star, or,
4.7 arcsec/hr.
The 1-sigma error in the time of the event is 638 seconds.
The 1-sigma cross-track error in the shadow position is
2598 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 5.3 sec chord
Diameter=31.0 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
Star training set for 471136, (2020/03/09 07:49UT) Object RA Dec mag sep mel Antares 16:30:38.9 -26:28:30 0.9 18.52 87 34Ups Sco 17:32:08.3 -37:18:36 2.7 6.41 102 PPM 296839 17:50:29.2 -31:42:30 4.9 0.62 105 PPM 296810 17:49:36.1 -32:40:37 7.7 0.56 105 PPM 296845 17:50:43.6 -32:05:48 9.2 0.26 105 471136 17:51:32.6 -32:17:24 16.3 105 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 471136, (2020/03/09 07:49UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 18.52 87 34Ups Sco 17:30:45.8 -37:17:46 2.7 6.41 102 PPM 296839 17:49:10.5 -31:42:12 4.9 0.62 105 PPM 296810 17:48:16.8 -32:40:17 7.7 0.56 105 PPM 296845 17:49:24.6 -32:05:30 9.2 0.26 105 471136 17:50:13.4 -32:17:08 16.3 105 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:20:57 UT
Marc W. Buie, Southwest Research Institute