Event between 13SL100 and star GA0940:00133796 with event index number of 2464559
Geocentric closest approach at 2021/11/02 23:32:00 UTC
J2000 position of star is 01:32:06.8 +05:59:19
Equinox of date position of star is 01:33:14.9 +06:06:00
Stellar brightness G=15.5,
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 5% illuminated.
TNO apparent brightness V=23.8
TNO is 41.2 AU from the Sun
and 40.3 AU from the Earth.
The TNO is moving 23.8
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 238 seconds.
The 1-sigma cross-track error in the shadow position is
3006 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=166.0 km assuming a 5% albedo -- 7.6 sec chord
Diameter=67.8 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 13SL100, (2021/11/02 23:32UT) Object RA Dec mag sep mel Aldebaran 04:37:10.6 +16:33:05 0.8 46.16 125 68Omi Cet 02:20:27.1 -02:52:47 2.0 14.81 159 98Mu Psc 01:31:19.9 +06:15:20 4.8 0.50 171 PPM 144765 01:35:54.6 +06:41:51 8.2 0.89 170 PPM 144725 01:34:08.5 +06:17:58 9.5 0.30 171 PPM 144730 01:34:22.3 +06:07:29 11.1 0.28 171 13SL100 01:33:15.2 +06:06:01 15.5 171 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 13SL100, (2021/11/02 23:32UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 46.16 125 68Omi Cet 02:19:20.8 -02:58:45 2.0 14.81 159 98Mu Psc 01:30:11.5 +06:08:37 4.8 0.50 171 PPM 144765 01:34:46.1 +06:35:11 8.2 0.89 170 PPM 144725 01:33:00.0 +06:11:16 9.5 0.30 171 PPM 144730 01:33:13.9 +06:00:48 11.1 0.28 171 13SL100 01:32:06.8 +05:59:19 15.5 171 Positions are for J2000
Event circumstances last updated at 2021/10/05 01:11:35 UT
Marc W. Buie, Southwest Research Institute