Event between (310071) 10KR59 and star GA0540:17514115 with event index number of 2189258
Geocentric closest approach at 2028/06/23 13:01:44 UTC
J2000 position of star is 17:12:38.0 -34:45:15
Equinox of date position of star is 17:14:14.3 -34:46:53
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 155 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=21.7
Object is 24.4 AU from the Sun
and 23.4 AU from the Earth.
Apparent velocity is 23.4
km/sec on the sky relative to the star, or,
5.0 arcsec/hr.
The 1-sigma error in the time of the event is 86 seconds.
The 1-sigma cross-track error in the shadow position is
1146 km.
The object has an absolute magnitude Hv=7.8
Diameter=163.7 km assuming a 5% albedo -- 7.0 sec chord
Diameter=66.8 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
Star training set for 310071, (2028/06/23 13:01UT) Object RA Dec mag sep mel Antares 16:31:09.5 -26:29:33 0.9 12.47 147 34Ups Sco 17:32:42.2 -37:18:56 2.7 4.46 157 PPM 296118 17:18:15.9 -35:46:55 6.0 1.25 155 PPM 296077 17:16:24.3 -34:50:17 8.1 0.39 155 PPM 296021 17:13:51.4 -35:02:23 9.6 0.29 155 310071 17:14:31.4 -34:47:10 16.2 155 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 310071, (2028/06/23 13:01UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.47 147 34Ups Sco 17:30:45.8 -37:17:46 2.7 4.46 157 PPM 296118 17:16:21.4 -35:45:09 6.0 1.25 155 PPM 296077 17:14:30.7 -34:48:27 8.1 0.39 155 PPM 296021 17:11:57.8 -35:00:26 9.6 0.29 155 310071 17:12:38.0 -34:45:15 16.2 155 Positions are for J2000
Event circumstances last updated at 2024/03/07 04:31:14 UT
Marc W. Buie, Southwest Research Institute