Event between (447178) 05RO43 and star GA0760:02407327 with event index number of 2290413
Geocentric closest approach at 2025/05/16 17:48:56 UTC
J2000 position of star is 07:21:28.9 -12:16:47
Equinox of date position of star is 07:22:37.0 -12:19:38
Stellar brightness G=13.7,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 139 degrees from the moon.
Moon is 85% illuminated.
Apparent brightness V=19.5
Object is 15.7 AU from the Sun
and 16.1 AU from the Earth.
Apparent velocity is 27.9
km/sec on the sky relative to the star, or,
8.6 arcsec/hr.
The 1-sigma error in the time of the event is 32 seconds.
The 1-sigma cross-track error in the shadow position is
657 km.
The object has an absolute magnitude Hv=7.2
Diameter=208.9 km assuming a 5% albedo -- 8.0 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CENTAURR
Star training set for 447178, (2025/05/16 17:52UT) Object RA Dec mag sep mel Sirius 06:46:16.1 -16:45:05 -1.5 9.85 135 25Del CMa 07:09:25.4 -26:26:06 1.9 14.45 126 PPM 218618 07:26:18.3 -13:48:13 5.8 1.72 138 PPM 218566 07:24:10.9 -12:34:52 8.5 0.45 139 PPM 218526 07:22:20.0 -12:20:10 8.9 0.08 139 447178 07:22:40.0 -12:19:45 13.7 139 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 447178, (2025/05/16 17:52UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:24 -1.5 9.85 135 25Del CMa 07:08:23.5 -26:23:35 1.9 14.45 126 PPM 218618 07:25:08.0 -13:45:07 5.8 1.72 138 PPM 218566 07:22:59.9 -12:31:50 8.5 0.45 139 PPM 218526 07:21:08.9 -12:17:12 8.9 0.08 139 447178 07:21:28.9 -12:16:47 13.7 139 Positions are for J2000
Event circumstances last updated at 2024/04/18 03:39:55 UT
Marc W. Buie, Southwest Research Institute