Event between 15KO174 and star GA0740:06325833 with event index number of 2454320
Geocentric closest approach at 2024/08/10 21:48:44 UTC
J2000 position of star is 16:45:26.0 -15:57:15
Equinox of date position of star is 16:46:41.0 -15:59:34
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 43 degrees from the moon.
Moon is 34% illuminated.
TNO apparent brightness V=23.3
TNO is 33.2 AU from the Sun
and 32.8 AU from the Earth.
The TNO is moving 6.2
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 673 seconds.
The 1-sigma cross-track error in the shadow position is
2388 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=147.2 km assuming a 5% albedo -- 24.8 sec chord
Diameter=60.1 km assuming a 30% albedo -- 10.1 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 15KO174, (2024/08/10 21:49UT) Object RA Dec mag sep mel Antares 16:30:55.2 -26:29:04 0.9 11.12 40 13Zet Oph 16:38:31.0 -10:36:54 2.6 5.75 42 PPM 232198 16:50:52.2 -15:42:33 6.3 1.01 44 PPM 232174 16:49:26.6 -16:00:23 7.8 0.62 44 PPM 232126 16:47:10.8 -16:18:44 9.6 0.32 43 15KO174 16:46:50.6 -15:59:51 15.4 43 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 15KO174, (2024/08/10 21:49UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 11.12 40 13Zet Oph 16:37:09.6 -10:34:01 2.6 5.75 42 PPM 232198 16:49:27.7 -15:40:05 6.3 1.01 44 PPM 232174 16:48:02.0 -15:57:52 7.8 0.62 44 PPM 232126 16:45:46.0 -16:16:09 9.6 0.32 43 15KO174 16:45:26.0 -15:57:15 15.4 43 Positions are for J2000
Event circumstances last updated at 2021/10/29 23:07:08 UT
Marc W. Buie, Southwest Research Institute