Event between 13TC187 and star GA0960:00112944 with event index number of 2675719
Geocentric closest approach at 2024/01/18 16:08:53 UTC
J2000 position of star is 01:17:08.7 +07:17:39
Equinox of date position of star is 01:18:17.0 +07:24:31
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 14 degrees from the moon.
Moon is 56% illuminated.
TNO apparent brightness V=23.4
TNO is 41.0 AU from the Sun
and 41.1 AU from the Earth.
The TNO is moving 8.5
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 672 seconds.
The 1-sigma cross-track error in the shadow position is
4812 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=189.7 km assuming a 5% albedo -- 27.3 sec chord
Diameter=77.4 km assuming a 30% albedo -- 11.1 sec chord
Dynamical classification is 7:4EEE
Star training set for 13TC187, (2024/01/18 16:09UT) Object RA Dec mag sep mel 6Bet Ari 01:55:58.4 +20:55:29 2.6 16.27 7 80 Psc 01:09:36.7 +05:46:35 5.5 2.73 17 88 Psc 01:15:57.6 +07:07:18 7.2 0.68 15 PPM 144453 01:18:49.9 +07:16:35 9.8 0.18 14 13TC187 01:18:24.1 +07:25:13 17.0 14 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 13TC187, (2024/01/18 16:09UT) Object RA Dec mag sep mel 6Bet Ari 01:54:38.5 +20:48:26 2.6 16.27 7 80 Psc 01:08:21.8 +05:38:55 5.5 2.73 17 88 Psc 01:14:42.3 +06:59:42 7.2 0.68 15 PPM 144453 01:17:34.5 +07:09:01 9.8 0.18 14 13TC187 01:17:08.7 +07:17:39 17.0 14 Positions are for J2000
Event circumstances last updated at 2021/10/20 23:55:10 UT
Marc W. Buie, Southwest Research Institute