Event between 05TV189 and star GA0920:01409432 with event index number of 1957972
Geocentric closest approach at 2022/02/23 12:41:39 UTC
J2000 position of star is 06:26:02.6 +02:51:35
Equinox of date position of star is 06:27:11.4 +02:50:44
Stellar brightness G=13.9,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 55% illuminated.
TNO apparent brightness V=22.9
TNO is 32.8 AU from the Sun
and 32.3 AU from the Earth.
The TNO is moving 13.0
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 430 seconds.
The 1-sigma cross-track error in the shadow position is
4542 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=178.7 km assuming a 5% albedo -- 13.7 sec chord
Diameter=72.9 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is 3:2E
Star training set for 05TV189, (2022/02/23 12:42UT) Object RA Dec mag sep mel Betelgeuse 05:56:22.3 +07:24:34 0.4 8.93 147 Alhena 06:38:59.5 +16:22:43 1.9 13.84 140 PPM 150489 06:26:55.8 +02:15:26 6.4 0.59 138 PPM 150547 06:28:30.0 +02:53:36 6.6 0.33 138 PPM 150486 06:26:52.8 +02:40:02 9.7 0.20 138 PPM 150482 06:26:49.8 +02:55:14 10.7 0.12 138 05TV189 06:27:12.1 +02:50:43 13.9 138 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 05TV189, (2022/02/23 12:42UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.93 147 Alhena 06:37:42.8 +16:23:57 1.9 13.84 140 PPM 150489 06:25:46.5 +02:16:17 6.4 0.59 138 PPM 150547 06:27:20.4 +02:54:30 6.6 0.33 138 PPM 150486 06:25:43.4 +02:40:53 9.7 0.20 138 PPM 150482 06:25:40.2 +02:56:04 10.7 0.12 138 05TV189 06:26:02.6 +02:51:35 13.9 138 Positions are for J2000
Event circumstances last updated at 2021/12/03 01:45:19 UT
Marc W. Buie, Southwest Research Institute