Event between (559182) 15BZ518 and star GA0680:06294791 with event index number of 2638459
Geocentric closest approach at 2023/06/21 00:43:38 UTC
J2000 position of star is 15:29:45.5 -21:30:05
Equinox of date position of star is 15:31:07.3 -21:34:50
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 114 degrees from the moon.
Moon is 8% illuminated.
Apparent brightness V=21.6
Object is 47.9 AU from the Sun
and 47.0 AU from the Earth.
Apparent velocity is 20.4
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 95 seconds.
The 1-sigma cross-track error in the shadow position is
1785 km.
The object has an absolute magnitude Hv=4.8
Diameter=657.7 km assuming a 5% albedo -- 32.9 sec chord
Diameter=268.5 km assuming a 30% albedo -- 13.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 559182, (2023/06/21 00:42UT) Object RA Dec mag sep mel Antares 16:30:51.0 -26:28:55 0.9 14.48 129 7Del Sco 16:01:43.5 -22:41:12 2.3 7.17 121 PPM 264334 15:31:57.9 -20:48:28 6.5 0.80 114 PPM 264284 15:29:40.5 -21:17:22 7.4 0.45 114 PPM 264313 15:30:44.8 -21:29:16 9.4 0.13 114 559182 15:31:07.5 -21:34:51 15.5 115 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, (2023/06/21 00:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.48 129 7Del Sco 16:00:20.0 -22:37:19 2.3 7.17 121 PPM 264334 15:30:36.3 -20:43:43 6.5 0.80 114 PPM 264284 15:28:18.7 -21:12:34 7.4 0.45 114 PPM 264313 15:29:22.9 -21:24:30 9.4 0.13 114 559182 15:29:45.5 -21:30:05 15.5 114 Positions are for J2000
Event circumstances last updated at 2023/05/28 03:39:34 UT
Marc W. Buie, Southwest Research Institute