Event between 13XD26 and star UC4-424-055662 with event index number of 327795
Geocentric closest approach at 2020/03/16 22:13:07 UTC
J2000 position of star is 11:54:54.6 -05:17:07
Equinox of date position of star is 11:55:56.7 -05:23:52
Stellar brightness R=13.3,
use SENSEUP=32
Star is 92 degrees from the moon.
Moon is 45% illuminated.
TNO apparent brightness V=25.5
TNO is 36.1 AU from the Sun
and 35.1 AU from the Earth.
The TNO is moving 25.4
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 104 seconds.
The 1-sigma cross-track error in the shadow position is
3073 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=229.1 km assuming a 5% albedo -- 2.4 sec chord
Diameter=93.5 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATEXTD
Star training set for 13XD26, (2020/03/16 22:13UT) Object RA Dec mag sep mel Spica 13:26:15.6 -11:15:58 1.0 23.09 69 4Gam Crv 12:16:50.9 -17:39:15 2.6 13.28 83 PPM 194890 11:52:04.3 -05:26:45 5.6 0.97 93 PPM 194969 11:56:28.5 -05:14:50 7.6 0.20 92 PPM 194952 11:55:37.7 -05:32:32 9.6 0.16 92 13XD26 11:55:56.7 -05:23:52 13.3 92 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 13XD26, (2020/03/16 22:13UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 23.09 69 4Gam Crv 12:15:48.1 -17:32:31 2.6 13.28 83 PPM 194890 11:51:02.2 -05:20:00 5.6 0.97 93 PPM 194969 11:55:26.4 -05:08:05 7.6 0.20 92 PPM 194952 11:54:35.6 -05:25:47 9.6 0.16 92 13XD26 11:54:54.6 -05:17:07 13.3 92 Positions are for J2000
Event circumstances last updated at 2020/03/11 20:30:23 UT
Marc W. Buie, Southwest Research Institute