Event between 99JD132 and star GA0620:07640153 with event index number of 2438559
Geocentric closest approach at 2023/06/20 19:38:13 UTC
J2000 position of star is 15:53:51.0 -26:02:31
Equinox of date position of star is 15:55:15.6 -26:06:34
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 123 degrees from the moon.
Moon is 7% illuminated.
Apparent brightness V=24.2
Object is 44.1 AU from the Sun
and 43.2 AU from the Earth.
Apparent velocity is 21.8
km/sec on the sky relative to the star, or,
2.5 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
4969 km.
The object has an absolute magnitude Hv=7.7
Diameter=177.8 km assuming a 5% albedo -- 8.2 sec chord
Diameter=72.6 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 99JD132, (2023/06/20 19:38UT) Object RA Dec mag sep mel Antares 16:30:51.0 -26:28:55 0.9 7.98 131 7Del Sco 16:01:43.5 -22:41:12 2.3 3.73 124 1 Sco 15:52:23.8 -25:49:15 4.4 0.71 123 PPM 264858 15:56:37.5 -25:50:45 7.8 0.40 124 PPM 264842 15:56:03.4 -26:04:16 9.1 0.18 123 99JD132 15:55:16.2 -26:06:36 16.6 124 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 99JD132, (2023/06/20 19:38UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.98 131 7Del Sco 16:00:20.0 -22:37:19 2.3 3.73 124 1 Sco 15:50:58.8 -25:45:06 4.4 0.71 123 PPM 264858 15:55:12.4 -25:46:42 7.8 0.40 124 PPM 264842 15:54:38.1 -26:00:13 9.1 0.18 123 99JD132 15:53:51.0 -26:02:31 16.6 123 Positions are for J2000
Event circumstances last updated at 2023/04/20 03:43:17 UT
Marc W. Buie, Southwest Research Institute