Event between 12DR30 and star GA0180:06749840 with event index number of 254317
Geocentric closest approach at 2020/04/02 21:41:27 UTC
J2000 position of star is 08:14:53.6 -71:15:17
Equinox of date position of star is 08:14:49.9 -71:18:42
Stellar brightness G=16.4,
use SENSEUP=128
Star is 93 degrees from the moon.
Moon is 66% illuminated.
TNO apparent brightness V=20.4
TNO is 20.4 AU from the Sun
and 20.2 AU from the Earth.
The TNO is moving 26.3
km/sec on the sky relative to the star, or,
6.5 arcsec/hr.
The 1-sigma error in the time of the event is 153 seconds.
The 1-sigma cross-track error in the shadow position is
3116 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=227.0 km assuming a 5% albedo -- 8.6 sec chord
Diameter=92.7 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CENTAURS
Star training set for 12DR30, (2020/04/02 21:41UT) Object RA Dec mag sep mel Canopus 06:24:24.1 -52:42:27 -0.7 22.24 79 Bet Car 09:13:24.9 -69:48:03 1.7 5.09 92 PPM 369948 08:27:19.0 -70:09:39 5.8 1.55 92 PPM 369824 08:10:31.3 -70:50:41 8.1 0.59 93 PPM 369862 08:16:16.5 -71:20:23 9.3 0.12 93 12DR30 08:14:49.5 -71:19:02 16.4 93 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, (2020/04/02 21:41UT) Object RA Dec mag sep mel Canopus 06:23:57.2 -52:41:44 -0.7 22.24 79 Bet Car 09:13:11.4 -69:43:00 1.7 5.09 92 PPM 369948 08:27:16.7 -70:05:36 5.8 1.55 92 PPM 369824 08:10:34.5 -70:47:02 8.1 0.59 93 PPM 369862 08:16:20.5 -71:16:35 9.3 0.12 93 12DR30 08:14:53.6 -71:15:17 16.4 93 Positions are for J2000
Event circumstances last updated at 2018/06/12 19:58:14 UT
Marc W. Buie, Southwest Research Institute