Event between 13GJ138 and star GA0700:05286003 with event index number of 284820
Geocentric closest approach at 2020/08/24 18:32:17 UTC
J2000 position of star is 13:45:53.3 -19:47:10
Equinox of date position of star is 13:46:59.8 -19:53:12
Stellar brightness G=16.6,
use SENSEUP=128
Star is 21 degrees from the moon.
Moon is 39% illuminated.
TNO apparent brightness V=24.9
TNO is 29.1 AU from the Sun
and 29.6 AU from the Earth.
The TNO is moving 21.4
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 86 seconds.
The 1-sigma cross-track error in the shadow position is
2068 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=144.5 km assuming a 5% albedo -- 2.8 sec chord
Diameter=59.0 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 13GJ138, (2020/08/24 18:32UT) Object RA Dec mag sep mel Spica 13:26:17.0 -11:16:06 1.0 9.96 26 89 Vir 13:50:59.8 -18:14:11 5.0 1.90 20 PPM 262071 13:48:25.0 -20:23:22 8.5 0.60 21 PPM 227821 13:47:24.9 -19:50:57 10.0 0.10 21 13GJ138 13:47:01.3 -19:53:20 16.6 21 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 13GJ138, (2020/08/24 18:32UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 9.96 26 89 Vir 13:49:52.1 -18:08:04 5.0 1.90 20 PPM 262071 13:47:16.8 -20:17:13 8.5 0.60 21 PPM 227821 13:46:17.0 -19:44:47 10.0 0.10 21 13GJ138 13:45:53.3 -19:47:10 16.6 21 Positions are for J2000
Event circumstances last updated at 2020/03/10 21:55:31 UT
Marc W. Buie, Southwest Research Institute