Event between (447178) 05RO43 and star GA0740:01491598 with event index number of 2289956
Geocentric closest approach at 2024/01/25 22:51:26 UTC
J2000 position of star is 06:53:44.8 -14:46:06
Equinox of date position of star is 06:54:50.5 -14:47:59
Stellar brightness G=12.6,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 47 degrees from the moon.
Moon is 100% illuminated.
Apparent brightness V=19.5
Object is 16.4 AU from the Sun
and 15.7 AU from the Earth.
Apparent velocity is 21.2
km/sec on the sky relative to the star, or,
6.7 arcsec/hr.
The 1-sigma error in the time of the event is 37 seconds.
The 1-sigma cross-track error in the shadow position is
619 km.
The object has an absolute magnitude Hv=7.2
Diameter=208.9 km assuming a 5% albedo -- 10.2 sec chord
Diameter=85.3 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CENTAURR
Star training set for 447178, (2024/01/25 22:49UT) Object RA Dec mag sep mel Sirius 06:46:12.6 -16:44:59 -1.5 2.85 49 2Bet CMa 06:23:45.6 -17:58:10 2.0 8.10 54 18Mu CMa 06:57:12.8 -14:04:35 4.6 0.92 46 PPM 217858 06:55:58.9 -14:53:43 7.8 0.29 47 PPM 217823 06:54:36.2 -14:38:21 8.8 0.17 47 447178 06:54:50.6 -14:47:59 12.6 46 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, (2024/01/25 22:49UT) Object RA Dec mag sep mel Sirius 06:45:08.0 -16:43:24 -1.5 2.85 49 2Bet CMa 06:22:42.0 -17:57:21 2.0 8.10 54 18Mu CMa 06:56:06.6 -14:02:37 4.6 0.92 46 PPM 217858 06:54:53.1 -14:51:47 7.8 0.29 47 PPM 217823 06:53:30.3 -14:36:28 8.8 0.17 47 447178 06:53:44.8 -14:46:06 12.6 47 Positions are for J2000
Event circumstances last updated at 2024/01/08 05:06:38 UT
Marc W. Buie, Southwest Research Institute