Event between (501214) 13TC146 and star GA0780:22010109 with event index number of 2453222
Geocentric closest approach at 2023/08/19 21:39:40 UTC
J2000 position of star is 22:24:22.5 -11:36:15
Equinox of date position of star is 22:25:35.3 -11:29:15
Stellar brightness G=14.4,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 149 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=21.0
TNO is 27.6 AU from the Sun
and 26.6 AU from the Earth.
The TNO is moving 24.1
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 43 seconds.
The 1-sigma cross-track error in the shadow position is
980 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=279.3 km assuming a 5% albedo -- 11.8 sec chord
Diameter=114.0 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is CENTAURR
Star training set for 501214, (2023/08/19 21:40UT) Object RA Dec mag sep mel Fomalhaut 22:58:57.0 -29:29:47 1.2 19.61 144 50 Aqr 22:25:42.9 -13:24:32 5.8 1.93 148 PPM 240220 22:25:46.1 -11:02:10 8.1 0.45 149 PPM 240224 22:25:51.9 -11:27:33 9.6 0.06 149 501214 22:25:37.8 -11:29:01 14.4 149 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 501214, (2023/08/19 21:40UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 19.61 144 50 Aqr 22:24:27.1 -13:31:46 5.8 1.93 148 PPM 240220 22:24:30.9 -11:09:23 8.1 0.45 149 PPM 240224 22:24:36.6 -11:34:47 9.6 0.06 149 501214 22:24:22.5 -11:36:15 14.4 149 Positions are for J2000
Event circumstances last updated at 2022/11/13 03:31:14 UT
Marc W. Buie, Southwest Research Institute