Event between 12DR30 and star GA0300:02160767 with event index number of 127457
Geocentric closest approach at 2018/07/08 08:00:03 UTC
J2000 position of star is 09:13:02.4 -59:34:39
Equinox of date position of star is 09:13:31.1 -59:39:15
Stellar brightness G=16.4,
use SENSEUP=128
Star is 103 degrees from the moon.
Moon is 29% illuminated.
TNO apparent brightness V=20.1
TNO is 18.6 AU from the Sun
and 18.7 AU from the Earth.
The TNO is moving 21.1
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 187 seconds.
The 1-sigma cross-track error in the shadow position is
2588 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=227.0 km assuming a 5% albedo -- 10.7 sec chord
Diameter=92.7 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURS
Star training set for 12DR30, (2018/07/08 08:00UT) Object RA Dec mag sep mel Canopus 06:24:21.8 -52:42:23 -0.7 24.08 79 Iot Car 09:17:35.1 -59:21:12 2.3 0.60 103 PPM 337703 09:13:24.7 -59:29:27 5.3 0.16 103 PPM 337670 09:11:19.9 -59:56:51 7.6 0.40 103 PPM 337703 09:13:24.7 -59:29:27 5.3 0.16 103 12DR30 09:13:31.3 -59:39:17 16.4 103 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, (2018/07/08 08:00UT) Object RA Dec mag sep mel Canopus 06:23:57.2 -52:41:44 -0.7 24.08 79 Iot Car 09:17:05.4 -59:16:31 2.3 0.60 103 PPM 337703 09:12:55.7 -59:24:50 5.3 0.16 103 PPM 337670 09:10:51.7 -59:52:17 7.6 0.40 103 PPM 337703 09:12:55.7 -59:24:50 5.3 0.16 103 12DR30 09:13:02.4 -59:34:39 16.4 103 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:13:29 UT
Marc W. Buie, Southwest Research Institute