Event between (447178) 05RO43 and star GA0780:01547726 with event index number of 2290026
Geocentric closest approach at 2024/05/11 00:29:34 UTC
J2000 position of star is 06:55:00.8 -11:42:18
Equinox of date position of star is 06:56:09.0 -11:44:15
Stellar brightness G=15.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 43 degrees from the moon.
Moon is 11% illuminated.
Apparent brightness V=19.7
Object is 16.2 AU from the Sun
and 16.7 AU from the Earth.
Apparent velocity is 28.1
km/sec on the sky relative to the star, or,
8.4 arcsec/hr.
The 1-sigma error in the time of the event is 27 seconds.
The 1-sigma cross-track error in the shadow position is
643 km.
The object has an absolute magnitude Hv=7.2
Diameter=208.9 km assuming a 5% albedo -- 7.9 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
Star training set for 447178, (2024/05/11 00:31UT) Object RA Dec mag sep mel Sirius 06:46:13.4 -16:45:01 -1.5 5.56 47 2Bet CMa 06:23:46.4 -17:58:11 2.0 10.00 47 14The CMa 06:55:19.4 -12:04:15 4.1 0.39 43 PPM 217866 06:56:12.8 -11:57:15 8.3 0.22 43 447178 06:56:09.2 -11:44:15 15.0 43 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, (2024/05/11 00:31UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:24 -1.5 5.56 47 2Bet CMa 06:22:42.0 -17:57:21 2.0 10.00 47 14The CMa 06:54:11.2 -12:02:19 4.1 0.39 43 PPM 217866 06:55:04.6 -11:55:18 8.3 0.22 43 447178 06:55:00.8 -11:42:18 15.0 43 Positions are for J2000
Event circumstances last updated at 2024/04/18 03:36:40 UT
Marc W. Buie, Southwest Research Institute