Event between (310071) 10KR59 and star GA0560:14034147 with event index number of 2188614
Geocentric closest approach at 2027/06/30 22:07:30 UTC
J2000 position of star is 16:58:19.8 -33:38:29
Equinox of date position of star is 16:59:55.0 -33:40:36
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 157 degrees from the moon.
Moon is 14% illuminated.
Apparent brightness V=21.6
Object is 23.6 AU from the Sun
and 22.7 AU from the Earth.
Apparent velocity is 21.8
km/sec on the sky relative to the star, or,
4.8 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is
1051 km.
The object has an absolute magnitude Hv=7.8
Diameter=163.7 km assuming a 5% albedo -- 7.5 sec chord
Diameter=66.8 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CENTAURR
Star training set for 310071, (2027/06/30 22:07UT) Object RA Dec mag sep mel Antares 16:31:05.9 -26:29:26 0.9 9.54 165 26Eps Sco 16:51:57.3 -34:20:24 2.3 1.82 159 27 Sco 16:58:59.0 -33:18:02 5.2 0.45 158 PPM 295723 17:00:07.9 -33:38:57 7.3 0.03 157 310071 17:00:08.0 -33:40:53 16.1 157 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, (2027/06/30 22:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.54 165 26Eps Sco 16:50:08.8 -34:17:41 2.3 1.82 159 27 Sco 16:57:11.2 -33:15:35 5.2 0.45 158 PPM 295723 16:58:19.8 -33:36:33 7.3 0.03 157 310071 16:58:19.8 -33:38:29 16.1 157 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:27:51 UT
Marc W. Buie, Southwest Research Institute