Event between (523746) 14UT114 and star GA1240:01693035 with event index number of 1096546
Geocentric closest approach at 2021/04/05 19:00:00 UTC
J2000 position of star is 05:14:12.6 +35:24:56
Equinox of date position of star is 05:15:37.1 +35:26:19
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 137 degrees from the moon.
Moon is 35% illuminated.
TNO apparent brightness V=21.4
TNO is 15.9 AU from the Sun
and 16.3 AU from the Earth.
The TNO is moving 22.4
km/sec on the sky relative to the star, or,
6.8 arcsec/hr.
The 1-sigma error in the time of the event is 113 seconds.
The 1-sigma cross-track error in the shadow position is
765 km.
The TNO has an absolute magnitude Hv=9.0
Diameter=95.5 km assuming a 5% albedo -- 4.3 sec chord
Diameter=39.0 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 523746, (2021/04/05 19:00UT) Object RA Dec mag sep mel Aldebaran 04:37:08.6 +16:33:01 0.8 20.75 126 3Iot Aur 04:58:22.9 +33:11:52 2.7 4.21 133 17 Aur 05:19:43.1 +33:47:18 6.1 1.85 138 PPM 070014 05:12:36.0 +35:22:56 8.1 0.62 136 PPM 070089 05:16:24.1 +35:22:49 9.0 0.17 137 523746 05:15:37.8 +35:26:20 16.2 137 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 523746, (2021/04/05 19:00UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 20.75 126 3Iot Aur 04:56:59.6 +33:09:58 2.7 4.21 133 17 Aur 05:18:19.0 +33:46:02 6.1 1.85 138 PPM 070014 05:11:10.9 +35:21:27 8.1 0.62 136 PPM 070089 05:14:58.9 +35:21:27 9.0 0.17 137 523746 05:14:12.6 +35:24:56 16.2 137 Positions are for J2000
Event circumstances last updated at 2021/02/06 20:50:14 UT
Marc W. Buie, Southwest Research Institute