Event between 10JJ124 and star GA0740:21724287 with event index number of 1093126
Geocentric closest approach at 2021/06/17 21:17:34 UTC
J2000 position of star is 18:39:45.4 -14:51:57
Equinox of date position of star is 18:40:57.5 -14:50:43
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 105 degrees from the moon.
Moon is 47% illuminated.
TNO apparent brightness V=20.6
TNO is 25.4 AU from the Sun
and 24.4 AU from the Earth.
The TNO is moving 23.2
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 229 seconds.
The 1-sigma cross-track error in the shadow position is
4477 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=284.5 km assuming a 5% albedo -- 12.3 sec chord
Diameter=116.1 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is CENTAURS
Star training set for 10JJ124, (2021/06/17 21:18UT) Object RA Dec mag sep mel Antares 16:30:43.6 -26:28:40 0.9 32.49 77 Nunki 18:56:35.7 -26:16:05 2.0 11.99 109 PPM 234707 18:34:52.6 -14:50:09 6.1 1.48 104 PPM 234839 18:40:16.1 -15:01:07 7.4 0.24 105 PPM 234868 18:41:32.5 -14:44:15 9.3 0.17 105 10JJ124 18:40:58.9 -14:50:42 16.5 106 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 10JJ124, (2021/06/17 21:18UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.49 77 Nunki 18:55:15.9 -26:17:49 2.0 11.99 109 PPM 234707 18:33:39.1 -14:51:14 6.1 1.48 104 PPM 234839 18:39:02.5 -15:02:21 7.4 0.24 105 PPM 234868 18:40:19.0 -14:45:31 9.3 0.17 105 10JJ124 18:39:45.4 -14:51:57 16.5 105 Positions are for J2000
Event circumstances last updated at 2021/01/22 21:05:33 UT
Marc W. Buie, Southwest Research Institute