Event between (535168) 14XU40 and star GA1120:01312062 with event index number of 2259590
Geocentric closest approach at 2022/12/17 19:22:49 UTC
J2000 position of star is 05:36:03.9 +22:47:55
Equinox of date position of star is 05:37:23.8 +22:48:40
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 36% illuminated.
TNO apparent brightness V=22.3
TNO is 33.8 AU from the Sun
and 32.8 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 126 seconds.
The 1-sigma cross-track error in the shadow position is
1199 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 9.2 sec chord
Diameter=93.5 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is 3:2E
Star training set for 535168, (2022/12/17 19:20UT) Object RA Dec mag sep mel Aldebaran 04:37:14.5 +16:33:13 0.8 15.48 123 Alnath 05:27:44.7 +28:37:29 1.6 6.21 109 PPM 094621 05:40:50.0 +21:46:26 6.4 1.30 107 PPM 094553 05:37:49.1 +22:00:19 7.5 0.81 108 PPM 094566 05:38:21.8 +22:48:47 9.9 0.21 108 535168 05:37:27.4 +22:48:42 15.6 108 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 535168, (2022/12/17 19:20UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 15.48 123 Alnath 05:26:17.6 +28:36:23 1.6 6.21 109 PPM 094621 05:39:27.1 +21:45:46 6.4 1.30 107 PPM 094553 05:36:26.2 +21:59:33 7.5 0.81 108 PPM 094566 05:36:58.3 +22:48:02 9.9 0.21 108 535168 05:36:03.9 +22:47:55 15.6 108 Positions are for J2000
Event circumstances last updated at 2021/12/18 01:52:38 UT
Marc W. Buie, Southwest Research Institute