Event between 03LD9 and star GA0700:21870293 with event index number of 1662285
Geocentric closest approach at 2021/06/14 22:03:35 UTC
J2000 position of star is 18:17:43.6 -19:06:50
Equinox of date position of star is 18:18:59.2 -19:06:16
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 139 degrees from the moon.
Moon is 18% illuminated.
TNO apparent brightness V=22.9
TNO is 42.9 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 24.1
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 541 seconds.
The 1-sigma cross-track error in the shadow position is
3013 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=295.1 km assuming a 5% albedo -- 12.2 sec chord
Diameter=120.5 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 03LD9, (2021/06/14 22:04UT) Object RA Dec mag sep mel Antares 16:30:43.6 -26:28:40 0.9 25.96 116 Nunki 18:56:35.6 -26:16:05 2.0 11.24 148 PPM 234244 18:16:46.4 -18:39:11 6.1 0.69 138 PPM 234281 18:18:15.6 -19:04:00 8.2 0.18 139 PPM 234315 18:19:17.9 -19:06:38 9.1 0.07 139 03LD9 18:18:59.5 -19:06:16 15.7 139 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 03LD9, (2021/06/14 22:04UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 25.96 116 Nunki 18:55:15.9 -26:17:49 2.0 11.24 148 PPM 234244 18:15:30.8 -18:39:42 6.1 0.69 138 PPM 234281 18:16:59.7 -19:04:33 8.2 0.18 139 PPM 234315 18:18:02.0 -19:07:13 9.1 0.07 139 03LD9 18:17:43.6 -19:06:50 15.7 139 Positions are for J2000
Event circumstances last updated at 2021/05/17 01:03:06 UT
Marc W. Buie, Southwest Research Institute