Event between (495297) 13TJ159 and star GA0940:00099237 with event index number of 2397638
Geocentric closest approach at 2023/01/13 17:53:39 UTC
J2000 position of star is 01:06:31.4 +04:13:31
Equinox of date position of star is 01:07:39.0 +04:20:29
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 171 degrees from the moon.
Moon is 64% illuminated.
TNO apparent brightness V=22.7
TNO is 38.3 AU from the Sun
and 38.4 AU from the Earth.
The TNO is moving 8.5
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 241 seconds.
The 1-sigma cross-track error in the shadow position is
2244 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=288.4 km assuming a 5% albedo -- 31.7 sec chord
Diameter=117.7 km assuming a 30% albedo -- 12.9 sec chord
Dynamical classification is 7:3EEEE
Star training set for 495297, (2023/01/13 17:53UT) Object RA Dec mag sep mel Fomalhaut 22:58:55.1 -29:29:59 1.2 45.81 142 Algenib 00:14:25.5 +15:18:41 2.8 17.09 165 80 Psc 01:09:33.6 +05:46:16 5.5 1.50 170 PPM 144252 01:06:53.5 +04:19:16 8.1 0.21 171 PPM 144271 01:07:53.2 +04:25:27 10.7 0.09 171 495297 01:07:42.9 +04:20:53 16.6 170 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 495297, (2023/01/13 17:53UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 45.81 142 Algenib 00:13:14.2 +15:11:01 2.8 17.09 165 80 Psc 01:08:21.8 +05:38:55 5.5 1.50 170 PPM 144252 01:05:42.0 +04:11:53 8.1 0.21 171 PPM 144271 01:06:41.7 +04:18:05 10.7 0.09 171 495297 01:06:31.4 +04:13:31 16.6 171 Positions are for J2000
Event circumstances last updated at 2021/10/16 01:12:45 UT
Marc W. Buie, Southwest Research Institute