Event between 11UJ413 and star GA0980:01208320 with event index number of 2129072
Geocentric closest approach at 2022/01/26 13:25:05 UTC
J2000 position of star is 06:00:55.0 +08:42:35
Equinox of date position of star is 06:02:06.9 +08:42:32
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 137 degrees from the moon.
Moon is 39% illuminated.
TNO apparent brightness V=22.8
TNO is 38.9 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 19.8
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 152 seconds.
The 1-sigma cross-track error in the shadow position is
1638 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=261.8 km assuming a 5% albedo -- 13.3 sec chord
Diameter=106.9 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 11UJ413, (2022/01/26 13:25UT) Object RA Dec mag sep mel Betelgeuse 05:56:22.0 +07:24:34 0.4 1.93 138 Bellatrix 05:26:19.0 +06:22:04 1.6 9.18 145 PPM 149523 05:51:15.6 +09:52:33 6.4 2.92 140 PPM 149748 06:01:28.1 +08:57:20 8.1 0.30 137 PPM 149768 06:02:02.7 +08:34:00 9.2 0.14 137 11UJ413 06:02:07.4 +08:42:32 16.2 137 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 11UJ413, (2022/01/26 13:25UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 1.93 138 Bellatrix 05:25:07.8 +06:20:58 1.6 9.18 145 PPM 149523 05:50:02.7 +09:52:15 6.4 2.92 140 PPM 149748 06:00:15.6 +08:57:21 8.1 0.30 137 PPM 149768 06:00:50.4 +08:34:03 9.2 0.14 137 11UJ413 06:00:55.0 +08:42:35 16.2 137 Positions are for J2000
Event circumstances last updated at 2021/12/04 02:03:41 UT
Marc W. Buie, Southwest Research Institute