Event between 13CE223 and star UC4-440-053227 with event index number of 313523
Geocentric closest approach at 2020/05/13 00:12:18 UTC
J2000 position of star is 11:25:16.9 -02:00:27
Equinox of date position of star is 11:26:14.7 -02:06:40
Stellar brightness R=14.7,
use SENSEUP=128
Star is 131 degrees from the moon.
Moon is 66% illuminated.
TNO apparent brightness V=22.8
TNO is 24.0 AU from the Sun
and 23.5 AU from the Earth.
The TNO is moving 9.8
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 420 seconds.
The 1-sigma cross-track error in the shadow position is
4159 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=106.7 km assuming a 5% albedo -- 10.9 sec chord
Diameter=43.5 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURR
Star training set for 13CE223, (2020/05/13 00:12UT) Object RA Dec mag sep mel Regulus 10:09:27.3 +11:52:01 1.3 23.67 155 Denebola 11:50:05.9 +14:27:29 2.1 17.59 133 87 Leo 11:31:21.4 -03:06:58 4.8 1.60 129 PPM 178483 11:26:00.6 -02:19:29 7.3 0.22 131 PPM 178487 11:26:54.1 -02:14:20 9.8 0.19 131 13CE223 11:26:19.4 -02:07:10 14.7 131 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 13CE223, (2020/05/13 00:12UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 23.67 155 Denebola 11:49:02.9 +14:34:17 2.1 17.59 133 87 Leo 11:30:18.9 -03:00:13 4.8 1.60 129 PPM 178483 11:24:58.1 -02:12:46 7.3 0.22 131 PPM 178487 11:25:51.6 -02:07:36 9.8 0.19 131 13CE223 11:25:16.9 -02:00:27 14.7 131 Positions are for J2000
Event circumstances last updated at 2018/10/26 21:05:40 UT
Marc W. Buie, Southwest Research Institute