Event between 13TD188 and star GA0940:00095306 with event index number of 1990729
Geocentric closest approach at 2022/08/06 23:41:32 UTC
J2000 position of star is 01:03:42.4 +05:06:22
Equinox of date position of star is 01:04:50.0 +05:13:21
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 132 degrees from the moon.
Moon is 67% illuminated.
TNO apparent brightness V=23.7
TNO is 47.4 AU from the Sun
and 46.9 AU from the Earth.
The TNO is moving 9.7
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 640 seconds.
The 1-sigma cross-track error in the shadow position is
3527 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=223.9 km assuming a 5% albedo -- 27.2 sec chord
Diameter=91.4 km assuming a 30% albedo -- 11.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 13TD188, (2022/08/06 23:41UT) Object RA Dec mag sep mel Fomalhaut 22:58:53.6 -29:30:07 1.2 46.04 89 Algenib 00:14:24.1 +15:18:33 2.8 15.98 124 80 Psc 01:09:32.2 +05:46:07 5.5 1.28 134 PPM 144217 01:04:50.9 +05:21:22 7.9 0.13 132 13TD188 01:04:52.6 +05:13:37 16.7 133 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 13TD188, (2022/08/06 23:41UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 46.04 89 Algenib 00:13:14.2 +15:11:01 2.8 15.98 124 80 Psc 01:08:21.8 +05:38:55 5.5 1.28 134 PPM 144217 01:03:40.7 +05:14:07 7.9 0.13 132 13TD188 01:03:42.4 +05:06:22 16.7 132 Positions are for J2000
Event circumstances last updated at 2021/10/05 01:12:20 UT
Marc W. Buie, Southwest Research Institute