Event between (523682) 14CN23 and star GA0540:10397593 with event index number of 2648015
Geocentric closest approach at 2022/02/13 22:44:15 UTC
J2000 position of star is 16:31:49.7 -35:03:27
Equinox of date position of star is 16:33:16.2 -35:06:11
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=21.6
TNO is 17.7 AU from the Sun
and 18.0 AU from the Earth.
The TNO is moving 17.0
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 179 seconds.
The 1-sigma cross-track error in the shadow position is
1967 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 6.1 sec chord
Diameter=42.8 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 523682, (2022/02/13 22:44UT) Object RA Dec mag sep mel Antares 16:30:46.0 -26:28:45 0.9 8.64 136 26Eps Sco 16:51:36.0 -34:19:53 2.3 3.84 141 PPM 295143 16:32:49.9 -34:45:02 4.2 0.36 138 PPM 295190 16:35:19.7 -35:35:14 7.7 0.64 138 PPM 295166 16:33:55.2 -35:02:45 9.4 0.14 138 523682 16:33:17.0 -35:06:12 16.7 138 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 523682, (2022/02/13 22:44UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.64 136 26Eps Sco 16:50:08.7 -34:17:41 2.3 3.84 141 PPM 295143 16:31:22.9 -34:42:16 4.2 0.36 138 PPM 295190 16:33:52.0 -35:32:33 7.7 0.64 138 PPM 295166 16:32:27.9 -35:00:01 9.4 0.14 138 523682 16:31:49.7 -35:03:27 16.7 138 Positions are for J2000
Event circumstances last updated at 2021/12/06 01:46:28 UT
Marc W. Buie, Southwest Research Institute