Event between (471136) 10EO65 and star GA0580:35592173 with event index number of 1057766
Geocentric closest approach at 2021/02/26 23:46:45 UTC
J2000 position of star is 18:20:13.4 -31:11:10
Equinox of date position of star is 18:21:35.3 -31:10:31
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 121 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=21.7
TNO is 15.3 AU from the Sun
and 15.7 AU from the Earth.
The TNO is moving 22.2
km/sec on the sky relative to the star, or,
7.0 arcsec/hr.
The 1-sigma error in the time of the event is 215 seconds.
The 1-sigma cross-track error in the shadow position is
1005 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 3.4 sec chord
Diameter=31.0 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 471136, (2021/02/26 23:47UT) Object RA Dec mag sep mel Antares 16:30:42.5 -26:28:38 0.9 24.67 96 Nunki 18:56:34.5 -26:16:07 2.0 9.10 129 18 Sgr 18:26:23.0 -30:44:38 5.3 1.11 122 PPM 297564 18:21:48.8 -31:18:19 7.4 0.14 121 471136 18:21:35.5 -31:10:31 16.3 121 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, (2021/02/26 23:47UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.67 96 Nunki 18:55:15.9 -26:17:49 2.0 9.10 129 18 Sgr 18:25:01.2 -30:45:26 5.3 1.11 122 PPM 297564 18:20:26.6 -31:18:58 7.4 0.14 121 471136 18:20:13.4 -31:11:10 16.3 121 Positions are for J2000
Event circumstances last updated at 2021/02/06 20:38:31 UT
Marc W. Buie, Southwest Research Institute