Event between (471155) 10GF65 and star GA0520:29367057 with event index number of 2236488
Geocentric closest approach at 2025/06/05 18:53:42 UTC
J2000 position of star is 18:15:10.8 -36:22:20
Equinox of date position of star is 18:16:50.0 -36:21:46
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 79 degrees from the moon.
Moon is 74% illuminated.
Apparent brightness V=20.8
Object is 22.2 AU from the Sun
and 21.3 AU from the Earth.
Apparent velocity is 20.6
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 705 seconds.
The 1-sigma cross-track error in the shadow position is
3466 km.
The object has an absolute magnitude Hv=7.3
Diameter=229.1 km assuming a 5% albedo -- 10.2 sec chord
Diameter=93.5 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CENTAURR
Star training set for 471155, (2025/06/05 18:54UT) Object RA Dec mag sep mel Antares 16:30:58.2 -26:29:10 0.9 24.56 55 Kap Sco 17:44:14.9 -39:02:26 2.4 6.99 72 Eta Sgr 18:19:20.9 -36:45:05 3.1 0.63 79 PPM 297469 18:17:36.1 -36:45:16 8.4 0.42 79 PPM 297433 18:15:59.5 -36:08:09 9.2 0.29 78 471155 18:16:53.9 -36:21:44 16.8 79 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 471155, (2025/06/05 18:54UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.56 55 Kap Sco 17:42:29.3 -39:01:49 2.4 6.99 72 Eta Sgr 18:17:37.4 -36:45:46 3.1 0.63 79 PPM 297469 18:15:52.6 -36:45:53 8.4 0.42 79 PPM 297433 18:14:16.6 -36:08:42 9.2 0.29 78 471155 18:15:10.8 -36:22:20 16.8 79 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:52:21 UT
Marc W. Buie, Southwest Research Institute