Event between (612148) 00CG105 and star GA0860:04002311 with event index number of 2806683
Geocentric closest approach at 2025/06/08 12:00:00 UTC
J2000 position of star is 10:19:09.7 -03:03:44
Equinox of date position of star is 10:20:23.4 -03:11:04
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 68 degrees from the moon.
Moon is 93% illuminated.
Apparent brightness V=23.8
Object is 47.4 AU from the Sun
and 47.5 AU from the Earth.
Apparent velocity is 9.8
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 584 seconds.
The 1-sigma cross-track error in the shadow position is
5921 km.
The object has an absolute magnitude Hv=6.9
Diameter=284.5 km assuming a 5% albedo -- 25.5 sec chord
Diameter=116.1 km assuming a 30% albedo -- 10.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 612148, (2025/06/08 12:00UT) Object RA Dec mag sep mel Regulus 10:09:43.5 +11:50:31 1.3 15.27 77 Alphard 09:28:50.2 -08:46:12 2.0 13.99 79 PPM 193381 10:24:50.0 -03:46:20 6.4 1.24 67 PPM 193270 10:18:49.0 -03:39:42 8.5 0.62 69 PPM 193298 10:20:22.7 -03:23:49 9.9 0.21 68 612148 10:20:27.1 -03:11:26 16.9 68 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 612148, (2025/06/08 12:00UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 15.27 77 Alphard 09:27:35.2 -08:39:30 2.0 13.99 79 PPM 193381 10:23:32.7 -03:38:34 6.4 1.24 67 PPM 193270 10:17:31.7 -03:32:02 8.5 0.62 69 PPM 193298 10:19:05.3 -03:16:07 9.9 0.21 68 612148 10:19:09.7 -03:03:44 16.9 68 Positions are for J2000
Event circumstances last updated at 2024/03/19 03:38:54 UT
Marc W. Buie, Southwest Research Institute