Event between (613411) 06HQ122 and star GA0780:05420545 with event index number of 2820830
Geocentric closest approach at 2026/06/11 18:14:21 UTC
J2000 position of star is 16:24:54.8 -10:13:22
Equinox of date position of star is 16:26:12.0 -10:16:30
Stellar brightness G=16.2,
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 16% illuminated.
Apparent brightness V=22.8
Object is 42.3 AU from the Sun
and 41.4 AU from the Earth.
Apparent velocity is 23.3
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 206 seconds.
The 1-sigma cross-track error in the shadow position is
1958 km.
The object has an absolute magnitude Hv=6.5
Diameter=295.1 km assuming a 5% albedo -- 12.7 sec chord
Diameter=120.5 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 613411, (2026/06/11 18:07UT) Object RA Dec mag sep mel Antares 16:31:02.0 -26:29:18 0.9 16.24 144 13Zet Oph 16:38:37.1 -10:37:07 2.6 3.03 141 3Ups Oph 16:29:14.1 -08:25:44 4.2 1.98 143 PPM 231679 16:27:05.3 -10:08:33 8.5 0.23 144 613411 16:26:22.0 -10:16:54 16.2 144 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 613411, (2026/06/11 18:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.24 144 13Zet Oph 16:37:09.6 -10:34:01 2.6 3.03 141 3Ups Oph 16:27:48.0 -08:22:18 4.2 1.98 143 PPM 231679 16:25:38.2 -10:05:03 8.5 0.23 144 613411 16:24:54.8 -10:13:22 16.2 144 Positions are for J2000
Event circumstances last updated at 2023/05/29 02:45:30 UT
Marc W. Buie, Southwest Research Institute