Event between (472651) 15DB216 and star GA0600:06582583 with event index number of 2311427
Geocentric closest approach at 2025/08/04 22:10:59 UTC
J2000 position of star is 13:18:02.6 -29:22:59
Equinox of date position of star is 13:19:24.1 -29:30:41
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 52 degrees from the moon.
Moon is 80% illuminated.
Apparent brightness V=20.1
Object is 13.2 AU from the Sun
and 13.4 AU from the Earth.
Apparent velocity is 15.1
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 38 seconds.
The 1-sigma cross-track error in the shadow position is
685 km.
The object has an absolute magnitude Hv=8.5
Diameter=117.5 km assuming a 5% albedo -- 7.9 sec chord
Diameter=48.0 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
Star training set for 472651, (2025/08/04 22:12UT) Object RA Dec mag sep mel Spica 13:26:32.7 -11:17:39 1.0 18.30 56 Iot Cen 13:22:02.7 -36:50:47 2.8 7.35 50 PPM 291197 13:18:18.9 -31:38:27 5.1 2.14 51 PPM 261486 13:20:23.2 -28:55:08 7.9 0.63 51 PPM 261461 13:19:23.0 -29:30:39 9.5 0.02 52 472651 13:19:27.8 -29:31:02 16.4 51 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 472651, (2025/08/04 22:12UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 18.30 56 Iot Cen 13:20:35.2 -36:42:46 2.8 7.35 50 PPM 291197 13:16:53.2 -31:30:24 5.1 2.14 51 PPM 261486 13:18:58.1 -28:47:06 7.9 0.63 51 PPM 261461 13:17:57.8 -29:22:36 9.5 0.02 52 472651 13:18:02.6 -29:22:59 16.4 52 Positions are for J2000
Event circumstances last updated at 2024/06/18 02:51:59 UT
Marc W. Buie, Southwest Research Institute