Event between (471136) 10EO65 and star GA0580:35122720 with event index number of 1774702
Geocentric closest approach at 2021/06/06 16:22:06 UTC
J2000 position of star is 18:18:52.4 -31:39:21
Equinox of date position of star is 18:20:14.6 -31:38:45
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 120 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=21.4
TNO is 15.4 AU from the Sun
and 14.5 AU from the Earth.
The TNO is moving 19.3
km/sec on the sky relative to the star, or,
6.6 arcsec/hr.
The 1-sigma error in the time of the event is 250 seconds.
The 1-sigma cross-track error in the shadow position is
992 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 3.9 sec chord
Diameter=31.0 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CENTAURR
Star training set for 471136, (2021/06/06 16:22UT) Object RA Dec mag sep mel Antares 16:30:43.5 -26:28:40 0.9 24.42 145 38Zet Sgr 19:03:58.4 -29:50:52 2.7 9.56 111 18 Sgr 18:26:24.0 -30:44:38 5.3 1.59 119 PPM 297564 18:21:49.9 -31:18:19 7.4 0.48 120 PPM 297504 18:18:51.9 -31:27:36 9.1 0.35 121 471136 18:20:15.9 -31:38:44 15.9 120 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, (2021/06/06 16:22UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.42 145 38Zet Sgr 19:02:36.7 -29:52:49 2.7 9.56 111 18 Sgr 18:25:01.2 -30:45:26 5.3 1.59 119 PPM 297564 18:20:26.6 -31:18:58 7.4 0.48 120 PPM 297504 18:17:28.6 -31:28:10 9.1 0.35 121 471136 18:18:52.4 -31:39:21 15.9 120 Positions are for J2000
Event circumstances last updated at 2021/02/06 21:04:34 UT
Marc W. Buie, Southwest Research Institute