Event between 99JD132 and star GA0620:07821055 with event index number of 2438622
Geocentric closest approach at 2024/05/10 20:49:47 UTC
J2000 position of star is 16:02:18.4 -26:37:08
Equinox of date position of star is 16:03:46.7 -26:41:04
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 158 degrees from the moon.
Moon is 10% illuminated.
Apparent brightness V=24.1
Object is 44.1 AU from the Sun
and 43.1 AU from the Earth.
Apparent velocity is 24.3
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 471 seconds.
The 1-sigma cross-track error in the shadow position is
4494 km.
The object has an absolute magnitude Hv=7.7
Diameter=177.8 km assuming a 5% albedo -- 7.3 sec chord
Diameter=72.6 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 99JD132, (2024/05/10 20:50UT) Object RA Dec mag sep mel Antares 16:30:54.3 -26:29:02 0.9 6.06 163 7Del Sco 16:01:46.7 -22:41:21 2.3 4.02 156 PPM 265058 16:04:49.3 -25:55:52 4.2 0.79 158 PPM 265056 16:04:45.4 -26:47:02 7.2 0.24 158 PPM 265053 16:04:39.5 -26:41:44 8.8 0.19 158 99JD132 16:03:47.6 -26:41:06 16.0 158 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, (2024/05/10 20:50UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 6.06 163 7Del Sco 16:00:20.0 -22:37:19 2.3 4.02 156 PPM 265058 16:03:20.5 -25:51:56 4.2 0.79 158 PPM 265056 16:03:16.2 -26:43:06 7.2 0.24 158 PPM 265053 16:03:10.3 -26:37:47 8.8 0.19 158 99JD132 16:02:18.4 -26:37:08 16.0 157 Positions are for J2000
Event circumstances last updated at 2024/02/13 04:30:02 UT
Marc W. Buie, Southwest Research Institute