Event between (459865) 13XZ8 and star GA0560:07496505 with event index number of 2281543
Geocentric closest approach at 2023/04/24 13:39:56 UTC
J2000 position of star is 15:01:10.0 -33:17:35
Equinox of date position of star is 15:02:36.3 -33:23:02
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 144 degrees from the moon.
Moon is 20% illuminated.
Apparent brightness V=19.0
Object is 8.8 AU from the Sun
and 7.9 AU from the Earth.
Apparent velocity is 17.1
km/sec on the sky relative to the star, or,
10.8 arcsec/hr.
The 1-sigma error in the time of the event is 25 seconds.
The 1-sigma cross-track error in the shadow position is
311 km.
The object has an absolute magnitude Hv=9.5
Diameter=70.8 km assuming a 5% albedo -- 4.4 sec chord
Diameter=28.9 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 459865, (2023/04/24 13:40UT) Object RA Dec mag sep mel Antares 16:30:50.4 -26:28:54 0.9 20.27 163 Bet Lup 15:00:04.1 -43:13:35 2.7 9.85 143 PPM 293387 15:04:25.3 -32:44:02 5.4 0.75 144 PPM 293353 15:02:28.9 -33:55:51 7.5 0.55 144 PPM 293358 15:02:44.4 -33:18:25 9.9 0.08 144 459865 15:02:36.3 -33:23:02 16.9 144 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 459865, (2023/04/24 13:40UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.27 163 Bet Lup 14:58:31.9 -43:08:03 2.7 9.85 143 PPM 293387 15:02:59.3 -32:38:37 5.4 0.75 144 PPM 293353 15:01:02.3 -33:50:23 7.5 0.55 144 PPM 293358 15:01:18.1 -33:12:57 9.9 0.08 144 459865 15:01:10.0 -33:17:35 16.9 144 Positions are for J2000
Event circumstances last updated at 2023/04/23 03:54:38 UT
Marc W. Buie, Southwest Research Institute