Event between 00WT169 and star GA1120:02024641 with event index number of 1994620
Geocentric closest approach at 2022/12/23 18:34:02 UTC
J2000 position of star is 06:19:56.2 +22:52:08
Equinox of date position of star is 06:21:16.9 +22:51:28
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 175 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.6
TNO is 45.1 AU from the Sun
and 44.1 AU from the Earth.
The TNO is moving 25.8
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 386 seconds.
The 1-sigma cross-track error in the shadow position is
2336 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=356.5 km assuming a 5% albedo -- 13.8 sec chord
Diameter=145.5 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 00WT169, (2022/12/23 18:34UT) Object RA Dec mag sep mel Betelgeuse 05:56:25.0 +07:24:34 0.4 16.57 158 Alhena 06:39:02.3 +16:22:40 1.9 7.70 169 9 Gem 06:18:22.8 +23:43:52 6.1 1.11 175 PPM 095769 06:20:46.3 +23:15:48 7.7 0.43 175 PPM 095773 06:20:58.0 +22:49:07 9.1 0.09 175 PPM 095793 06:21:32.0 +22:50:34 10.7 0.05 175 00WT169 06:21:19.8 +22:51:27 16.5 175 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 00WT169, (2022/12/23 18:34UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 16.57 158 Alhena 06:37:42.8 +16:23:57 1.9 7.70 169 9 Gem 06:16:58.7 +23:44:27 6.1 1.11 175 PPM 095769 06:19:22.5 +23:16:28 7.7 0.43 175 PPM 095773 06:19:34.5 +22:49:48 9.1 0.09 175 PPM 095793 06:20:08.5 +22:51:16 10.7 0.05 175 00WT169 06:19:56.2 +22:52:08 16.5 175 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:19:01 UT
Marc W. Buie, Southwest Research Institute