Event between 05LB54 and star GA0660:17016066 with event index number of 1941910
Geocentric closest approach at 2022/07/26 23:27:51 UTC
J2000 position of star is 17:40:52.2 -22:51:13
Equinox of date position of star is 17:42:12.9 -22:51:49
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=22.0
TNO is 41.6 AU from the Sun
and 40.8 AU from the Earth.
The TNO is moving 18.3
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 671 seconds.
The 1-sigma cross-track error in the shadow position is
2899 km.
The TNO has an absolute magnitude Hv=5.7
Diameter=440.6 km assuming a 5% albedo -- 24.1 sec chord
Diameter=179.9 km assuming a 30% albedo -- 9.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 05LB54, (2022/07/26 23:28UT) Object RA Dec mag sep mel Antares 16:30:47.7 -26:28:48 0.9 16.61 145 35Eta Oph 17:11:40.4 -15:45:05 2.6 10.12 151 PPM 267109 17:40:06.3 -21:55:26 6.4 1.06 160 PPM 267163 17:43:42.5 -23:21:30 7.7 0.60 161 PPM 267154 17:43:09.5 -22:59:07 9.4 0.24 161 05LB54 17:42:14.3 -22:51:50 15.9 161 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, (2022/07/26 23:28UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.61 145 35Eta Oph 17:10:22.7 -15:43:29 2.6 10.12 151 PPM 267109 17:38:44.8 -21:54:46 6.4 1.06 160 PPM 267163 17:42:20.2 -23:20:56 7.7 0.60 161 PPM 267154 17:41:47.3 -22:58:33 9.4 0.24 161 05LB54 17:40:52.2 -22:51:13 15.9 160 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:15:23 UT
Marc W. Buie, Southwest Research Institute