Event between (55638) 02VE95 and star GA0960:02105152 with event index number of 2249651
Geocentric closest approach at 2022/12/21 15:21:33 UTC
J2000 position of star is 06:44:41.1 +06:19:26
Equinox of date position of star is 06:45:54.4 +06:17:57
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 139 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=20.5
TNO is 30.9 AU from the Sun
and 30.0 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 98 seconds.
The 1-sigma cross-track error in the shadow position is
1126 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=524.8 km assuming a 5% albedo -- 19.2 sec chord
Diameter=214.3 km assuming a 30% albedo -- 7.8 sec chord
Dynamical classification is 3:2E
Star training set for 55638, (2022/12/21 15:22UT) Object RA Dec mag sep mel Betelgeuse 05:56:25.0 +07:24:34 0.4 12.34 150 Alhena 06:39:02.3 +16:22:40 1.9 10.22 145 PPM 151081 06:43:13.3 +06:19:19 6.2 0.67 140 PPM 151152 06:45:39.2 +06:15:24 7.9 0.08 139 PPM 151165 06:46:03.3 +06:19:52 9.0 0.05 139 55638 06:45:55.1 +06:17:56 15.4 139 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 55638, (2022/12/21 15:22UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 12.34 150 Alhena 06:37:42.8 +16:23:57 1.9 10.22 145 PPM 151081 06:41:59.3 +06:20:44 6.2 0.67 140 PPM 151152 06:44:25.2 +06:16:53 7.9 0.08 139 PPM 151165 06:44:49.3 +06:21:22 9.0 0.05 139 55638 06:44:41.1 +06:19:26 15.4 139 Positions are for J2000
Event circumstances last updated at 2022/10/03 04:14:33 UT
Marc W. Buie, Southwest Research Institute