Event between (523643) 10TY53 and star GA0820:00203365 with event index number of 325974
Geocentric closest approach at 2019/07/12 23:30:46 UTC
J2000 position of star is 02:37:40.3 -07:41:51
Equinox of date position of star is 02:38:37.8 -07:36:51
Stellar brightness G=14.9,
use SENSEUP=128
Star is 146 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=20.6
TNO is 29.1 AU from the Sun
and 29.3 AU from the Earth.
The TNO is moving 16.4
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 150 seconds.
The 1-sigma cross-track error in the shadow position is
1577 km.
The TNO has an absolute magnitude Hv=5.7
Diameter=436.5 km assuming a 5% albedo -- 26.6 sec chord
Diameter=178.2 km assuming a 30% albedo -- 10.9 sec chord
Dynamical classification is CENTAURR
Star training set for 523643, (2019/07/12 23:31UT) Object RA Dec mag sep mel Aldebaran 04:37:02.6 +16:32:49 0.8 37.97 174 68Omi Cet 02:20:20.1 -02:53:24 2.0 6.56 145 80 Cet 02:36:57.8 -07:44:51 5.5 0.44 145 PPM 184865 02:39:58.6 -08:50:41 7.5 1.27 145 PPM 184835 02:38:19.6 -07:50:53 9.5 0.25 145 523643 02:38:38.1 -07:36:50 14.9 146 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 523643, (2019/07/12 23:31UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 37.97 174 68Omi Cet 02:19:20.8 -02:58:45 2.0 6.56 145 80 Cet 02:36:00.0 -07:49:55 5.5 0.44 145 PPM 184865 02:39:01.1 -08:55:41 7.5 1.27 145 PPM 184835 02:37:21.9 -07:55:55 9.5 0.25 145 523643 02:37:40.3 -07:41:51 14.9 145 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:24:17 UT
Marc W. Buie, Southwest Research Institute