Event between 04KC19 and star GA0680:20161820 with event index number of 286412
Geocentric closest approach at 2020/09/14 20:31:52 UTC
J2000 position of star is 17:53:29.5 -20:36:58
Equinox of date position of star is 17:54:42.8 -20:37:09
Stellar brightness G=16.4,
use SENSEUP=128
Star is 131 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=25.0
TNO is 30.5 AU from the Sun
and 30.3 AU from the Earth.
The TNO is moving 3.3
km/sec on the sky relative to the star, or,
0.5 arcsec/hr.
The 1-sigma error in the time of the event is 1073 seconds.
The 1-sigma cross-track error in the shadow position is
3297 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=121.3 km assuming a 5% albedo -- 18.2 sec chord
Diameter=49.5 km assuming a 30% albedo -- 7.4 sec chord
Dynamical classification is 3:2E
Star training set for 04KC19, (2020/09/14 20:32UT) Object RA Dec mag sep mel Antares 16:30:40.8 -26:28:34 0.9 20.10 113 35Eta Oph 17:11:34.0 -15:44:57 2.6 11.34 120 PPM 267640 18:01:14.1 -20:20:22 6.0 1.55 133 PPM 267493 17:55:55.3 -21:01:25 8.5 0.49 132 PPM 267468 17:54:39.8 -20:30:09 9.4 0.12 131 04KC19 17:54:43.6 -20:37:09 16.4 132 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 04KC19, (2020/09/14 20:32UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.10 113 35Eta Oph 17:10:22.7 -15:43:29 2.6 11.34 120 PPM 267640 18:00:00.1 -20:20:23 6.0 1.55 133 PPM 267493 17:54:41.0 -21:01:17 8.5 0.49 132 PPM 267468 17:53:25.7 -20:29:58 9.4 0.12 131 04KC19 17:53:29.5 -20:36:58 16.4 131 Positions are for J2000
Event circumstances last updated at 2020/06/21 21:23:17 UT
Marc W. Buie, Southwest Research Institute