Event between (556067) 14JK80 and star GA0860:05128812 with event index number of 2488067
Geocentric closest approach at 2023/07/21 22:42:25 UTC
J2000 position of star is 16:54:23.6 -02:10:15
Equinox of date position of star is 16:55:37.0 -02:12:26
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 87 degrees from the moon.
Moon is 15% illuminated.
Apparent brightness V=21.7
Object is 34.1 AU from the Sun
and 33.5 AU from the Earth.
Apparent velocity is 16.7
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 92 seconds.
The 1-sigma cross-track error in the shadow position is
1237 km.
The object has an absolute magnitude Hv=6.3
Diameter=319.2 km assuming a 5% albedo -- 19.5 sec chord
Diameter=130.3 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is 3:2E
Star training set for 556067, (2023/07/21 22:43UT) Object RA Dec mag sep mel Antares 16:30:51.3 -26:28:56 0.9 24.99 86 13Zet Oph 16:38:27.5 -10:36:47 2.6 9.42 84 PPM 179990 17:06:45.1 -00:55:22 5.4 3.06 89 PPM 179954 16:55:23.9 -01:38:59 7.1 0.56 87 PPM 179958 16:56:56.3 -02:07:56 10.0 0.34 87 556067 16:55:37.2 -02:12:27 16.7 87 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 556067, (2023/07/21 22:43UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.99 86 13Zet Oph 16:37:09.6 -10:34:01 2.6 9.42 84 PPM 179990 17:05:32.2 -00:53:32 5.4 3.06 89 PPM 179954 16:54:10.6 -01:36:46 7.1 0.56 87 PPM 179958 16:55:42.7 -02:05:46 10.0 0.34 87 556067 16:54:23.6 -02:10:15 16.7 87 Positions are for J2000
Event circumstances last updated at 2023/07/04 04:03:08 UT
Marc W. Buie, Southwest Research Institute