Event between (500877) 13JE64 and star GA0720:06493628 with event index number of 2331935
Geocentric closest approach at 2022/08/03 02:01:55 UTC
J2000 position of star is 16:44:18.6 -17:31:27
Equinox of date position of star is 16:45:35.7 -17:33:50
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 60 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=24.1
TNO is 38.0 AU from the Sun
and 37.4 AU from the Earth.
The TNO is moving 10.3
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 405 seconds.
The 1-sigma cross-track error in the shadow position is
1894 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=138.0 km assuming a 5% albedo -- 13.4 sec chord
Diameter=56.4 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 2:1E
Star training set for 500877, (2022/08/03 02:02UT) Object RA Dec mag sep mel Antares 16:30:47.8 -26:28:49 0.9 9.55 59 35Eta Oph 17:11:40.5 -15:45:05 2.6 6.50 66 PPM 232030 16:42:52.9 -17:47:03 5.0 0.69 60 PPM 232143 16:47:53.2 -17:38:06 8.4 0.55 61 PPM 232095 16:45:30.7 -17:28:57 8.6 0.09 60 500877 16:45:37.1 -17:33:52 15.7 60 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 500877, (2022/08/03 02:02UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.55 59 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.50 66 PPM 232030 16:41:34.4 -17:44:32 5.0 0.69 60 PPM 232143 16:46:34.6 -17:35:45 8.4 0.55 61 PPM 232095 16:44:12.2 -17:26:32 8.6 0.09 60 500877 16:44:18.6 -17:31:27 15.7 60 Positions are for J2000
Event circumstances last updated at 2022/03/15 01:08:20 UT
Marc W. Buie, Southwest Research Institute