Event between 05JJ186 and star GA0640:21678804 with event index number of 1040169
Geocentric closest approach at 2020/09/26 00:06:48 UTC
J2000 position of star is 17:59:09.2 -25:20:52
Equinox of date position of star is 18:00:25.1 -25:20:53
Stellar brightness G=15.9,
use SENSEUP=128
Star is 27 degrees from the moon.
Moon is 70% illuminated.
TNO apparent brightness V=26.3
TNO is 40.9 AU from the Sun
and 41.0 AU from the Earth.
The TNO is moving 7.1
km/sec on the sky relative to the star, or,
0.9 arcsec/hr.
The 1-sigma error in the time of the event is 8376 seconds.
The 1-sigma cross-track error in the shadow position is
5068 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=270.4 km assuming a 5% albedo -- 8.5 sec chord
Diameter=110.4 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 05JJ186, (2020/09/26 00:07UT) Object RA Dec mag sep mel Antares 16:30:40.9 -26:28:35 0.9 20.19 47 Nunki 18:56:33.0 -26:16:09 2.0 12.66 14 PPM 267497 17:56:10.7 -24:53:22 6.4 1.07 28 PPM 267617 18:00:33.4 -25:49:08 8.5 0.47 27 PPM 267603 18:00:11.1 -25:16:56 9.0 0.09 27 05JJ186 18:00:26.1 -25:20:53 15.9 27 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 05JJ186, (2020/09/26 00:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.19 47 Nunki 18:55:15.9 -26:17:49 2.0 12.66 14 PPM 267497 17:54:54.1 -24:53:13 6.4 1.07 28 PPM 267617 17:59:16.2 -25:49:08 8.5 0.47 27 PPM 267603 17:58:54.3 -25:16:55 9.0 0.09 27 05JJ186 17:59:09.2 -25:20:52 15.9 27 Positions are for J2000
Event circumstances last updated at 2020/06/21 21:33:15 UT
Marc W. Buie, Southwest Research Institute