Event between (119315) 01SQ73 and star GA1300:03797514 with event index number of 229677
Geocentric closest approach at 2019/12/11 18:29:55 UTC
J2000 position of star is 07:25:02.2 +40:26:02
Equinox of date position of star is 07:26:21.1 +40:23:42
Stellar brightness G=15.8,
use SENSEUP=128
Star is 38 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.6
TNO is 19.8 AU from the Sun
and 18.9 AU from the Earth.
The TNO is moving 21.1
km/sec on the sky relative to the star, or,
5.5 arcsec/hr.
The 1-sigma error in the time of the event is 513 seconds.
The 1-sigma cross-track error in the shadow position is
4524 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=72.4 km assuming a 5% albedo -- 3.4 sec chord
Diameter=29.6 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 119315, (2019/12/11 18:30UT) Object RA Dec mag sep mel Pollux 07:46:32.1 +27:58:35 1.1 13.09 40 66 Aur 07:25:31.1 +40:37:55 5.2 0.29 38 PPM 049815 07:24:31.1 +40:39:36 8.5 0.45 38 66 Aur 07:25:31.1 +40:37:55 5.2 0.29 38 119315 07:26:24.7 +40:23:36 15.8 39 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 119315, (2019/12/11 18:30UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 13.09 40 66 Aur 07:24:08.5 +40:40:20 5.2 0.29 38 PPM 049815 07:23:08.4 +40:41:59 8.5 0.45 38 66 Aur 07:24:08.5 +40:40:20 5.2 0.29 38 119315 07:25:02.2 +40:26:02 15.8 38 Positions are for J2000
Event circumstances last updated at 2019/01/30 20:42:06 UT
Marc W. Buie, Southwest Research Institute