Event between (500881) 13JM64 and star GA0740:07040455 with event index number of 2335006
Geocentric closest approach at 2024/06/02 18:10:02 UTC
J2000 position of star is 17:11:19.7 -15:28:40
Equinox of date position of star is 17:12:36.2 -15:30:13
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 124 degrees from the moon.
Moon is 18% illuminated.
TNO apparent brightness V=24.3
TNO is 40.9 AU from the Sun
and 39.9 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 1098 seconds.
The 1-sigma cross-track error in the shadow position is
4358 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=138.0 km assuming a 5% albedo -- 5.6 sec chord
Diameter=56.4 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 500881, (2024/06/02 18:10UT) Object RA Dec mag sep mel Antares 16:30:54.5 -26:29:03 0.9 14.67 133 35Eta Oph 17:11:46.8 -15:45:12 2.6 0.34 125 PPM 232829 17:16:43.7 -14:36:36 5.9 1.32 123 PPM 232759 17:13:58.8 -15:11:28 8.3 0.44 124 PPM 232709 17:12:11.5 -15:26:40 9.4 0.14 124 500881 17:12:43.7 -15:30:22 16.8 124 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 500881, (2024/06/02 18:10UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.67 133 35Eta Oph 17:10:22.7 -15:43:29 2.6 0.34 125 PPM 232829 17:15:20.3 -14:35:03 5.9 1.32 123 PPM 232759 17:12:35.0 -15:09:49 8.3 0.44 124 PPM 232709 17:10:47.6 -15:24:57 9.4 0.14 124 500881 17:11:19.7 -15:28:40 16.8 124 Positions are for J2000
Event circumstances last updated at 2022/04/03 00:08:23 UT
Marc W. Buie, Southwest Research Institute