Event between 13UE15 and star UC4-595-017890 with event index number of 226379
Geocentric closest approach at 2019/11/23 20:35:17 UTC
J2000 position of star is 05:18:12.9 +28:55:27
Equinox of date position of star is 05:19:26.8 +28:56:37
Stellar brightness R=16.6,
use SENSEUP=128
Star is 123 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=22.1
TNO is 22.7 AU from the Sun
and 21.8 AU from the Earth.
The TNO is moving 20.9
km/sec on the sky relative to the star, or,
4.8 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is
845 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=119.7 km assuming a 5% albedo -- 5.7 sec chord
Diameter=48.9 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 13UE15, (2019/11/23 20:35UT) Object RA Dec mag sep mel Aldebaran 04:37:03.9 +16:32:52 0.8 15.77 135 Alnath 05:27:33.1 +28:37:21 1.6 1.80 121 PPM 094297 05:22:28.7 +29:35:17 5.7 0.92 122 PPM 094248 05:19:30.9 +28:47:58 7.4 0.14 123 13UE15 05:19:28.6 +28:56:38 16.6 122 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 13UE15, (2019/11/23 20:35UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 15.77 135 Alnath 05:26:17.5 +28:36:23 1.6 1.80 121 PPM 094297 05:21:12.7 +29:34:11 5.7 0.92 122 PPM 094248 05:18:15.4 +28:46:47 7.4 0.14 123 13UE15 05:18:12.9 +28:55:27 16.6 123 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:54:41 UT
Marc W. Buie, Southwest Research Institute