Event between 99JD132 and star GA0620:07779970 with event index number of 2438626
Geocentric closest approach at 2024/05/31 13:56:14 UTC
J2000 position of star is 16:00:33.8 -26:33:17
Equinox of date position of star is 16:02:02.0 -26:37:16
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 40% illuminated.
Apparent brightness V=24.1
Object is 44.1 AU from the Sun
and 43.1 AU from the Earth.
Apparent velocity is 24.8
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 443 seconds.
The 1-sigma cross-track error in the shadow position is
4499 km.
The object has an absolute magnitude Hv=7.7
Diameter=177.8 km assuming a 5% albedo -- 7.2 sec chord
Diameter=72.6 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 99JD132, (2024/05/31 13:56UT) Object RA Dec mag sep mel Antares 16:30:54.5 -26:29:03 0.9 6.45 102 7Del Sco 16:01:46.9 -22:41:21 2.3 3.93 109 PPM 265058 16:04:49.5 -25:55:53 4.2 0.93 108 PPM 264949 16:00:41.1 -26:39:06 8.4 0.31 109 PPM 264982 16:02:00.4 -26:43:08 8.6 0.10 108 99JD132 16:02:03.1 -26:37:19 16.4 108 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 99JD132, (2024/05/31 13:56UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 6.45 102 7Del Sco 16:00:20.0 -22:37:19 2.3 3.93 109 PPM 265058 16:03:20.5 -25:51:56 4.2 0.93 108 PPM 264949 15:59:11.9 -26:35:01 8.4 0.31 109 PPM 264982 16:00:31.1 -26:39:06 8.6 0.10 108 99JD132 16:00:33.8 -26:33:17 16.4 108 Positions are for J2000
Event circumstances last updated at 2024/02/13 04:30:40 UT
Marc W. Buie, Southwest Research Institute