Event between 12BA155 and star GA0840:03909986 with event index number of 314614
Geocentric closest approach at 2019/11/06 21:03:16 UTC
J2000 position of star is 10:19:12.2 -04:04:44
Equinox of date position of star is 10:20:10.1 -04:10:31
Stellar brightness G=9.5,
use SENSEUP=2
Star is 162 degrees from the moon.
Moon is 72% illuminated.
TNO apparent brightness V=22.2
TNO is 38.8 AU from the Sun
and 39.2 AU from the Earth.
The TNO is moving 18.3
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 94 seconds.
The 1-sigma cross-track error in the shadow position is
1795 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=358.1 km assuming a 5% albedo -- 19.6 sec chord
Diameter=146.2 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is 5:2EEE
Star training set for 12BA155, (2019/11/06 21:03UT) Object RA Dec mag sep mel Regulus 10:09:25.6 +11:52:10 1.3 16.27 168 Alphard 09:28:33.8 -08:44:44 2.0 13.61 150 25 Sex 10:24:26.7 -04:10:30 6.0 1.06 162 PPM 193321 10:21:07.1 -04:26:37 8.2 0.35 162 PPM 193300 10:20:12.4 -04:10:44 9.3 0.00 162 12BA155 10:20:12.4 -04:10:44 9.5 162 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 12BA155, (2019/11/06 21:03UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 16.27 168 Alphard 09:27:35.2 -08:39:31 2.0 13.61 150 25 Sex 10:23:26.4 -04:04:27 6.0 1.06 162 PPM 193321 10:20:07.0 -04:20:36 8.2 0.35 162 PPM 193300 10:19:12.2 -04:04:44 9.3 0.00 162 12BA155 10:19:12.2 -04:04:44 9.5 162 Positions are for J2000
Event circumstances last updated at 2019/01/29 21:44:04 UT
Marc W. Buie, Southwest Research Institute