Event between 12VB116 and star GA0900:01066539 with event index number of 2161921
Geocentric closest approach at 2023/12/18 13:26:28 UTC
J2000 position of star is 06:09:10.6 +00:07:04
Equinox of date position of star is 06:10:24.0 +00:06:43
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 109 degrees from the moon.
Moon is 36% illuminated.
Apparent brightness V=22.0
Object is 47.1 AU from the Sun
and 46.2 AU from the Earth.
Apparent velocity is 25.9
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 146 seconds.
The 1-sigma cross-track error in the shadow position is
1830 km.
The object has an absolute magnitude Hv=5.2
Diameter=562.4 km assuming a 5% albedo -- 21.7 sec chord
Diameter=229.6 km assuming a 30% albedo -- 8.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 12VB116, (2023/12/18 13:26UT) Object RA Dec mag sep mel Betelgeuse 05:56:28.2 +07:24:34 0.4 8.08 107 34Del Ori 05:33:13.9 -00:17:00 2.2 9.30 100 PPM 176187 06:16:47.4 -00:31:23 6.2 1.72 110 PPM 149909 06:08:13.1 +00:04:21 8.4 0.55 108 PPM 149972 06:10:08.7 +00:08:18 8.9 0.07 109 12VB116 06:10:24.4 +00:06:43 15.3 109 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 12VB116, (2023/12/18 13:26UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.08 107 34Del Ori 05:32:00.4 -00:17:57 2.2 9.30 100 PPM 176187 06:15:34.0 -00:30:49 6.2 1.72 110 PPM 149909 06:06:59.3 +00:04:37 8.4 0.55 108 PPM 149972 06:08:54.9 +00:08:38 8.9 0.07 109 12VB116 06:09:10.6 +00:07:04 15.3 109 Positions are for J2000
Event circumstances last updated at 2023/11/05 04:13:21 UT
Marc W. Buie, Southwest Research Institute