Event between (523717) 14KY101 and star GA0680:13054071 with event index number of 2616254
Geocentric closest approach at 2023/02/28 23:21:02 UTC
J2000 position of star is 17:31:29.5 -20:50:52
Equinox of date position of star is 17:32:52.0 -20:51:48
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 172 degrees from the moon.
Moon is 66% illuminated.
Apparent brightness V=22.2
Object is 35.8 AU from the Sun
and 36.0 AU from the Earth.
Apparent velocity is 12.5
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 574 seconds.
The 1-sigma cross-track error in the shadow position is
2050 km.
The object has an absolute magnitude Hv=6.5
Diameter=316.2 km assuming a 5% albedo -- 24.3 sec chord
Diameter=129.1 km assuming a 30% albedo -- 9.9 sec chord
Dynamical classification is 3:2E
Star training set for 523717, (2023/02/28 23:21UT) Object RA Dec mag sep mel Antares 16:30:49.9 -26:28:53 0.9 15.26 161 35Eta Oph 17:11:42.5 -15:45:07 2.6 7.17 165 PPM 266825 17:26:05.3 -21:27:40 6.1 1.69 171 PPM 266907 17:29:39.2 -20:58:51 8.3 0.76 171 PPM 266961 17:32:49.5 -20:53:55 9.5 0.04 172 523717 17:32:52.5 -20:51:49 16.9 172 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 523717, (2023/02/28 23:21UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.26 161 35Eta Oph 17:10:22.7 -15:43:29 2.6 7.17 165 PPM 266825 17:24:42.0 -21:26:30 6.1 1.69 171 PPM 266907 17:28:16.2 -20:57:49 8.3 0.76 171 PPM 266961 17:31:26.5 -20:52:59 9.5 0.04 172 523717 17:31:29.5 -20:50:52 16.9 172 Positions are for J2000
Event circumstances last updated at 2023/01/09 03:34:01 UT
Marc W. Buie, Southwest Research Institute