Event between 05LB54 and star GA0660:18955882 with event index number of 1942634
Geocentric closest approach at 2023/08/06 23:32:33 UTC
J2000 position of star is 17:46:16.8 -22:57:53
Equinox of date position of star is 17:47:42.6 -22:58:20
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 119 degrees from the moon.
Moon is 66% illuminated.
Apparent brightness V=22.0
Object is 41.6 AU from the Sun
and 40.9 AU from the Earth.
Apparent velocity is 15.1
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 974 seconds.
The 1-sigma cross-track error in the shadow position is
1989 km.
The object has an absolute magnitude Hv=5.7
Diameter=440.6 km assuming a 5% albedo -- 29.2 sec chord
Diameter=179.9 km assuming a 30% albedo -- 11.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 05LB54, (2023/08/06 23:33UT) Object RA Dec mag sep mel Antares 16:30:51.5 -26:28:56 0.9 17.78 136 35Eta Oph 17:11:44.0 -15:45:09 2.6 11.14 128 PPM 267309 17:49:11.2 -22:29:04 6.1 0.59 119 PPM 267328 17:49:48.6 -23:14:20 8.3 0.55 119 PPM 267264 17:47:45.2 -22:49:57 9.0 0.14 119 05LB54 17:47:42.7 -22:58:20 15.6 119 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 05LB54, (2023/08/06 23:33UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.78 136 35Eta Oph 17:10:22.7 -15:43:29 2.6 11.14 128 PPM 267309 17:47:45.6 -22:28:40 6.1 0.59 119 PPM 267328 17:48:22.6 -23:13:58 8.3 0.55 119 PPM 267264 17:46:19.3 -22:49:31 9.0 0.14 119 05LB54 17:46:16.8 -22:57:53 15.6 119 Positions are for J2000
Event circumstances last updated at 2023/07/27 03:49:11 UT
Marc W. Buie, Southwest Research Institute