Event between (312645) 10EP65 and star GA0800:04558069 with event index number of 2295213
Geocentric closest approach at 2026/06/09 18:49:32 UTC
J2000 position of star is 14:33:47.0 -09:33:13
Equinox of date position of star is 14:35:05.7 -09:39:36
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 36% illuminated.
Apparent brightness V=20.8
Object is 33.7 AU from the Sun
and 32.9 AU from the Earth.
Apparent velocity is 17.3
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is
1200 km.
The object has an absolute magnitude Hv=5.4
Diameter=478.6 km assuming a 5% albedo -- 28.3 sec chord
Diameter=195.4 km assuming a 30% albedo -- 11.6 sec chord
Dynamical classification is 2:1E
Star training set for 312645, (2026/06/09 18:49UT) Object RA Dec mag sep mel Spica 13:26:35.4 -11:17:54 1.0 16.94 162 27Bet Lib 15:18:26.0 -09:28:44 2.6 10.66 135 PPM 229046 14:38:24.7 -12:25:01 6.2 2.86 145 PPM 197657 14:33:59.4 -09:52:20 8.5 0.36 146 PPM 197679 14:35:20.8 -09:36:39 9.3 0.07 146 312645 14:35:12.1 -09:40:06 15.0 145 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 312645, (2026/06/09 18:49UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 16.94 162 27Bet Lib 15:17:00.3 -09:22:59 2.6 10.66 135 PPM 229046 14:36:58.5 -12:18:12 6.2 2.86 145 PPM 197657 14:32:34.3 -09:45:24 8.5 0.36 146 PPM 197679 14:33:55.8 -09:29:45 9.3 0.07 146 312645 14:33:47.0 -09:33:13 15.0 146 Positions are for J2000
Event circumstances last updated at 2024/06/19 21:27:00 UT
Marc W. Buie, Southwest Research Institute