Event between (587670) 06QE181 and star GA0980:00152797 with event index number of 2686345
Geocentric closest approach at 2024/08/13 19:52:09 UTC
J2000 position of star is 01:46:45.1 +08:47:29
Equinox of date position of star is 01:47:54.3 +08:54:00
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=24.0
TNO is 41.6 AU from the Sun
and 41.2 AU from the Earth.
The TNO is moving 7.3
km/sec on the sky relative to the star, or,
0.9 arcsec/hr.
The 1-sigma error in the time of the event is 462 seconds.
The 1-sigma cross-track error in the shadow position is
3853 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=176.2 km assuming a 5% albedo -- 24.2 sec chord
Diameter=71.9 km assuming a 30% albedo -- 9.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 587670, (2024/08/13 19:52UT) Object RA Dec mag sep mel Aldebaran 04:37:20.2 +16:33:25 0.8 41.90 169 6Bet Ari 01:56:00.3 +20:55:39 2.6 12.17 149 110Omi Psc 01:46:41.8 +09:16:50 4.3 0.50 142 PPM 144954 01:47:00.5 +08:40:54 6.6 0.35 142 PPM 144978 01:48:30.0 +08:53:20 9.9 0.11 142 587670 01:48:03.1 +08:54:50 15.0 143 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 587670, (2024/08/13 19:52UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 41.90 169 6Bet Ari 01:54:38.5 +20:48:26 2.6 12.17 149 110Omi Psc 01:45:23.7 +09:09:29 4.3 0.50 142 PPM 144954 01:45:42.6 +08:33:33 6.6 0.35 142 PPM 144978 01:47:12.0 +08:46:00 9.9 0.11 142 587670 01:46:45.1 +08:47:29 15.0 142 Positions are for J2000
Event circumstances last updated at 2021/11/02 23:42:42 UT
Marc W. Buie, Southwest Research Institute