Event between (559182) 15BZ518 and star GA0660:06758002 with event index number of 2638652
Geocentric closest approach at 2028/07/08 12:13:46 UTC
J2000 position of star is 15:50:16.5 -23:41:14
Equinox of date position of star is 15:51:44.0 -23:45:35
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 66 degrees from the moon.
Moon is 97% illuminated.
Apparent brightness V=21.5
Object is 47.0 AU from the Sun
and 46.3 AU from the Earth.
Apparent velocity is 16.2
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 143 seconds.
The 1-sigma cross-track error in the shadow position is
1890 km.
The object has an absolute magnitude Hv=4.7
Diameter=657.7 km assuming a 5% albedo -- 42.2 sec chord
Diameter=268.5 km assuming a 30% albedo -- 17.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 559182, (2028/07/08 12:05UT) Object RA Dec mag sep mel Antares 16:31:09.7 -26:29:34 0.9 9.27 57 7Del Sco 16:02:01.5 -22:42:02 2.3 2.55 64 PPM 264830 15:55:38.1 -24:03:39 5.4 0.89 65 PPM 264762 15:52:21.5 -23:20:34 7.8 0.44 66 PPM 264732 15:50:58.0 -23:55:39 9.4 0.28 67 559182 15:51:58.4 -23:46:18 16.3 66 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 559182, (2028/07/08 12:05UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.27 57 7Del Sco 16:00:20.0 -22:37:19 2.3 2.55 64 PPM 264830 15:53:55.9 -23:58:42 5.4 0.89 65 PPM 264762 15:50:39.9 -23:15:30 7.8 0.44 66 PPM 264732 15:49:16.0 -23:50:32 9.4 0.28 67 559182 15:50:16.5 -23:41:14 16.3 66 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:30:41 UT
Marc W. Buie, Southwest Research Institute