Event between (119315) 01SQ73 and star GA1300:03662280 with event index number of 180691
Geocentric closest approach at 2019/02/07 19:54:54 UTC
J2000 position of star is 06:52:00.5 +41:05:08
Equinox of date position of star is 06:53:20.8 +41:03:41
Stellar brightness G=14.0,
use SENSEUP=64
Star is 110 degrees from the moon.
Moon is 8% illuminated.
TNO apparent brightness V=22.6
TNO is 19.6 AU from the Sun
and 18.9 AU from the Earth.
The TNO is moving 18.5
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 710 seconds.
The 1-sigma cross-track error in the shadow position is
3739 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=72.4 km assuming a 5% albedo -- 3.9 sec chord
Diameter=29.6 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CENTAURR
Star training set for 119315, (2019/02/07 19:55UT) Object RA Dec mag sep mel Pollux 07:46:28.9 +27:58:43 1.1 17.01 123 34Bet Aur 06:00:55.8 +44:56:50 1.9 10.33 100 58Psi7Aur 06:52:06.9 +41:45:25 6.0 0.73 110 PPM 049392 06:52:50.8 +40:50:35 8.3 0.24 110 PPM 049389 06:52:33.1 +40:59:08 9.7 0.17 110 119315 06:53:20.9 +41:03:41 14.0 110 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, (2019/02/07 19:55UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 17.01 123 34Bet Aur 05:59:31.6 +44:56:51 1.9 10.33 100 58Psi7Aur 06:50:45.9 +41:46:50 6.0 0.73 110 PPM 049392 06:51:30.6 +40:52:01 8.3 0.24 110 PPM 049389 06:51:12.7 +41:00:34 9.7 0.17 110 119315 06:52:00.5 +41:05:08 14.0 110 Positions are for J2000
Event circumstances last updated at 2019/01/31 18:03:04 UT
Marc W. Buie, Southwest Research Institute