Event between 14LT28 and star GA0620:42904242 with event index number of 2506547
Geocentric closest approach at 2023/06/21 01:37:41 UTC
J2000 position of star is 20:56:04.0 -26:55:04
Equinox of date position of star is 20:57:25.0 -26:49:46
Stellar brightness G=12.7,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 172 degrees from the moon.
Moon is 8% illuminated.
TNO apparent brightness V=22.1
TNO is 42.0 AU from the Sun
and 41.3 AU from the Earth.
The TNO is moving 18.1
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 156 seconds.
The 1-sigma cross-track error in the shadow position is
1976 km.
The TNO has an absolute magnitude Hv=5.8
Diameter=407.4 km assuming a 5% albedo -- 22.6 sec chord
Diameter=166.3 km assuming a 30% albedo -- 9.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 14LT28, (2023/06/21 01:36UT) Object RA Dec mag sep mel Fomalhaut 22:58:56.5 -29:29:50 1.2 26.83 145 Alnair 22:09:42.0 -46:50:47 1.7 24.56 149 PPM 271828 20:58:10.7 -26:12:19 5.5 0.64 172 PPM 271758 20:54:25.6 -27:04:40 8.4 0.72 172 PPM 271815 20:57:06.6 -26:50:04 9.8 0.08 172 14LT28 20:57:27.5 -26:49:36 12.7 172 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 14LT28, (2023/06/21 01:36UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 26.83 145 Alnair 22:08:14.3 -46:57:43 1.7 24.56 149 PPM 271828 20:56:47.5 -26:17:48 5.5 0.64 172 PPM 271758 20:53:01.8 -27:10:04 8.4 0.72 172 PPM 271815 20:55:43.0 -26:55:32 9.8 0.08 172 14LT28 20:56:04.0 -26:55:04 12.7 172 Positions are for J2000
Event circumstances last updated at 2022/09/29 04:29:46 UT
Marc W. Buie, Southwest Research Institute