Event between 12DR30 and star GA0080:00326008 with event index number of 2143896
Geocentric closest approach at 2022/12/29 19:02:47 UTC
J2000 position of star is 06:49:29.4 -80:31:19
Equinox of date position of star is 06:47:41.1 -80:32:54
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 90 degrees from the moon.
Moon is 47% illuminated.
TNO apparent brightness V=21.0
TNO is 23.4 AU from the Sun
and 23.6 AU from the Earth.
The TNO is moving 36.5
km/sec on the sky relative to the star, or,
7.7 arcsec/hr.
The 1-sigma error in the time of the event is 40 seconds.
The 1-sigma cross-track error in the shadow position is
1652 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=228.0 km assuming a 5% albedo -- 6.3 sec chord
Diameter=93.1 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is CENTAURS
Star training set for 12DR30, (2022/12/29 19:03UT) Object RA Dec mag sep mel Canopus 06:24:27.8 -52:42:33 -0.7 27.90 89 Bet Car 09:13:26.6 -69:48:44 1.7 13.73 103 The Men 06:55:05.2 -79:27:04 5.4 1.14 91 PPM 376727 06:48:48.4 -80:09:48 8.4 0.39 90 PPM 376720 06:46:03.8 -80:40:00 9.4 0.13 90 12DR30 06:47:39.9 -80:32:55 14.8 90 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 12DR30, (2022/12/29 19:03UT) Object RA Dec mag sep mel Canopus 06:23:57.2 -52:41:44 -0.7 27.90 89 Bet Car 09:13:11.3 -69:43:00 1.7 13.73 103 The Men 06:56:34.4 -79:25:13 5.4 1.14 91 PPM 376727 06:50:30.5 -80:08:09 8.4 0.39 90 PPM 376720 06:47:55.8 -80:38:26 9.4 0.13 90 12DR30 06:49:29.4 -80:31:19 14.8 90 Positions are for J2000
Event circumstances last updated at 2022/10/01 04:18:22 UT
Marc W. Buie, Southwest Research Institute