Event between 05LA54 and star GA0640:16327483 with event index number of 276583
Geocentric closest approach at 2020/04/18 06:55:04 UTC
J2000 position of star is 17:30:20.2 -24:52:20
Equinox of date position of star is 17:31:30.0 -24:53:08
Stellar brightness G=15.9,
use SENSEUP=128
Star is 73 degrees from the moon.
Moon is 20% illuminated.
TNO apparent brightness V=23.0
TNO is 41.4 AU from the Sun
and 40.8 AU from the Earth.
The TNO is moving 12.0
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 1397 seconds.
The 1-sigma cross-track error in the shadow position is
5264 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=271.7 km assuming a 5% albedo -- 22.6 sec chord
Diameter=110.9 km assuming a 30% albedo -- 9.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 05LA54, (2020/04/18 06:55UT) Object RA Dec mag sep mel Antares 16:30:39.3 -26:28:31 0.9 13.81 86 35Eta Oph 17:11:32.6 -15:44:55 2.6 10.27 79 51 Oph 17:32:39.4 -23:58:36 4.8 0.94 73 PPM 266921 17:30:14.8 -24:21:05 8.5 0.62 73 PPM 266919 17:30:11.2 -24:45:50 9.5 0.34 73 05LA54 17:31:35.1 -24:53:11 15.9 73 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 05LA54, (2020/04/18 06:55UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.81 86 35Eta Oph 17:10:22.7 -15:43:29 2.6 10.27 79 51 Oph 17:31:25.0 -23:57:46 4.8 0.94 73 PPM 266921 17:29:00.2 -24:20:12 8.5 0.62 73 PPM 266919 17:28:56.4 -24:44:56 9.5 0.34 73 05LA54 17:30:20.2 -24:52:20 15.9 73 Positions are for J2000
Event circumstances last updated at 2018/11/29 20:34:02 UT
Marc W. Buie, Southwest Research Institute