Event between (523682) 14CN23 and star GA0540:10503669 with event index number of 2648042
Geocentric closest approach at 2022/03/31 01:02:19 UTC
J2000 position of star is 16:33:03.1 -35:42:56
Equinox of date position of star is 16:34:31.2 -35:45:40
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 102 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=21.5
TNO is 17.7 AU from the Sun
and 17.2 AU from the Earth.
The TNO is moving 9.7
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 265 seconds.
The 1-sigma cross-track error in the shadow position is
2643 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 10.8 sec chord
Diameter=42.8 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURR
Star training set for 523682, (2022/03/31 01:02UT) Object RA Dec mag sep mel Antares 16:30:46.5 -26:28:46 0.9 9.32 105 26Eps Sco 16:51:36.5 -34:19:54 2.3 3.78 99 PPM 295143 16:32:50.4 -34:45:03 4.2 1.07 102 PPM 295190 16:35:20.2 -35:35:15 7.7 0.24 102 PPM 295158 16:33:33.2 -35:49:54 9.5 0.21 102 523682 16:34:31.4 -35:45:40 16.3 102 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, (2022/03/31 01:02UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.32 105 26Eps Sco 16:50:08.7 -34:17:41 2.3 3.78 99 PPM 295143 16:31:22.9 -34:42:16 4.2 1.07 102 PPM 295190 16:33:52.0 -35:32:33 7.7 0.24 102 PPM 295158 16:32:04.9 -35:47:09 9.5 0.21 102 523682 16:33:03.1 -35:42:56 16.3 102 Positions are for J2000
Event circumstances last updated at 2022/03/15 00:59:57 UT
Marc W. Buie, Southwest Research Institute