Event between 13SJ102 and star GA0920:00135063 with event index number of 2675034
Geocentric closest approach at 2023/02/06 21:49:23 UTC
J2000 position of star is 01:33:42.2 +02:28:26
Equinox of date position of star is 01:34:49.6 +02:35:05
Stellar brightness G=10.6,
use SENSEUP=4 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 128 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.7
TNO is 32.2 AU from the Sun
and 32.6 AU from the Earth.
The TNO is moving 18.7
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 199 seconds.
The 1-sigma cross-track error in the shadow position is
3477 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=160.7 km assuming a 5% albedo -- 10.5 sec chord
Diameter=65.6 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is 7:4EEE
Star training set for 13SJ102, (2023/02/06 21:49UT) Object RA Dec mag sep mel Fomalhaut 22:58:55.3 -29:29:57 1.2 49.19 163 68Omi Cet 02:20:30.9 -02:52:26 2.0 12.64 119 PPM 144619 01:28:05.4 +03:39:16 6.5 2.00 129 PPM 144716 01:33:29.9 +01:41:25 8.0 0.97 129 PPM 144748 01:35:07.6 +02:40:59 8.9 0.11 128 13SJ102 01:34:53.8 +02:35:30 10.6 128 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 13SJ102, (2023/02/06 21:49UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 49.19 163 68Omi Cet 02:19:20.8 -02:58:45 2.0 12.64 119 PPM 144619 01:26:53.6 +03:32:06 6.5 2.00 129 PPM 144716 01:32:18.5 +01:34:19 8.0 0.97 129 PPM 144748 01:33:56.0 +02:33:55 8.9 0.11 128 13SJ102 01:33:42.2 +02:28:26 10.6 128 Positions are for J2000
Event circumstances last updated at 2021/10/06 01:12:12 UT
Marc W. Buie, Southwest Research Institute