Event between (131318) 01FL194 and star GA0660:06130374 with event index number of 1047057
Geocentric closest approach at 2021/02/02 00:27:45 UTC
J2000 position of star is 14:29:55.0 -23:59:16
Equinox of date position of star is 14:31:07.4 -24:04:50
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 38 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=23.3
TNO is 34.2 AU from the Sun
and 34.2 AU from the Earth.
The TNO is moving 7.7
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 407 seconds.
The 1-sigma cross-track error in the shadow position is
3219 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=166.0 km assuming a 5% albedo -- 21.4 sec chord
Diameter=67.8 km assuming a 30% albedo -- 8.8 sec chord
Dynamical classification is 3:2E
Star training set for 131318, (2021/02/02 00:28UT) Object RA Dec mag sep mel Spica 13:26:18.4 -11:16:15 1.0 20.03 18 5The Cen 14:07:55.9 -36:28:22 2.1 13.36 43 PPM 262884 14:26:01.1 -24:54:03 5.3 1.42 37 PPM 263073 14:32:59.8 -24:39:06 8.1 0.71 38 PPM 263025 14:31:02.3 -24:08:58 9.7 0.07 38 131318 14:31:07.5 -24:04:51 16.8 38 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 131318, (2021/02/02 00:28UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 20.03 18 5The Cen 14:06:40.0 -36:22:23 2.1 13.36 43 PPM 262884 14:24:48.5 -24:48:23 5.3 1.42 37 PPM 263073 14:31:47.0 -24:33:33 8.1 0.71 38 PPM 263025 14:29:49.8 -24:03:23 9.7 0.07 38 131318 14:29:55.0 -23:59:16 16.8 38 Positions are for J2000
Event circumstances last updated at 2021/01/18 21:08:52 UT
Marc W. Buie, Southwest Research Institute