Event between (556068) 14JR80 and star GA0680:36139266 with event index number of 2492879
Geocentric closest approach at 2026/08/08 20:25:56 UTC
J2000 position of star is 20:38:41.2 -20:42:43
Equinox of date position of star is 20:40:05.9 -20:37:29
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 136 degrees from the moon.
Moon is 20% illuminated.
Apparent brightness V=21.0
Object is 40.4 AU from the Sun
and 39.4 AU from the Earth.
Apparent velocity is 24.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 77 seconds.
The 1-sigma cross-track error in the shadow position is
1455 km.
The object has an absolute magnitude Hv=5.0
Diameter=578.1 km assuming a 5% albedo -- 24.4 sec chord
Diameter=236.0 km assuming a 30% albedo -- 10.0 sec chord
Dynamical classification is 3:2E
Star training set for 556068, (2026/08/08 20:28UT) Object RA Dec mag sep mel Fomalhaut 22:59:06.8 -29:28:50 1.2 32.55 110 38Zet Sgr 19:04:18.1 -29:50:23 2.7 23.51 159 17 Cap 20:47:42.3 -21:24:56 5.9 1.92 135 PPM 271419 20:39:57.8 -20:53:59 7.8 0.29 137 556068 20:40:13.3 -20:37:02 16.9 136 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 556068, (2026/08/08 20:28UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 32.55 110 38Zet Sgr 19:02:36.7 -29:52:49 2.7 23.51 159 17 Cap 20:46:10.0 -21:30:51 5.9 1.92 135 PPM 271419 20:38:25.5 -20:59:40 7.8 0.29 137 556068 20:38:41.2 -20:42:43 16.9 136 Positions are for J2000
Event circumstances last updated at 2024/06/19 21:32:30 UT
Marc W. Buie, Southwest Research Institute