Event between (459865) 13XZ8 and star GA0680:20700631 with event index number of 2284389
Geocentric closest approach at 2026/07/07 18:56:43 UTC
J2000 position of star is 17:55:16.2 -21:40:25
Equinox of date position of star is 17:56:44.4 -21:40:33
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 50% illuminated.
Apparent brightness V=19.7
Object is 10.6 AU from the Sun
and 9.6 AU from the Earth.
Apparent velocity is 19.5
km/sec on the sky relative to the star, or,
10.1 arcsec/hr.
The 1-sigma error in the time of the event is 44 seconds.
The 1-sigma cross-track error in the shadow position is
501 km.
The object has an absolute magnitude Hv=9.5
Diameter=70.8 km assuming a 5% albedo -- 3.9 sec chord
Diameter=28.9 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CENTAURR
Star training set for 459865, (2026/07/07 18:57UT) Object RA Dec mag sep mel Antares 16:31:02.3 -26:29:19 0.9 20.14 126 35Eta Oph 17:11:54.0 -15:45:21 2.6 12.17 117 PPM 267640 18:01:34.8 -20:20:21 6.0 1.73 105 PPM 267533 17:57:57.1 -21:57:30 7.3 0.38 106 PPM 267491 17:56:12.1 -21:27:03 9.4 0.27 106 459865 17:56:51.8 -21:40:34 16.0 106 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, (2026/07/07 18:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.14 126 35Eta Oph 17:10:22.8 -15:43:28 2.6 12.17 117 PPM 267640 18:00:00.1 -20:20:23 6.0 1.73 105 PPM 267533 17:56:21.3 -21:57:23 7.3 0.38 106 PPM 267491 17:54:36.6 -21:26:52 9.4 0.27 106 459865 17:55:16.2 -21:40:25 16.0 106 Positions are for J2000
Event circumstances last updated at 2024/06/19 21:30:14 UT
Marc W. Buie, Southwest Research Institute