Event between (524049) 00CQ105 and star GA1060:03377498 with event index number of 1591546
Geocentric closest approach at 2023/04/12 14:12:53 UTC
J2000 position of star is 11:03:44.0 +17:23:35
Equinox of date position of star is 11:04:57.7 +17:16:03
Stellar brightness G=11.0,
use SENSEUP=4 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 122 degrees from the moon.
Moon is 59% illuminated.
Apparent brightness V=22.6
Object is 42.8 AU from the Sun
and 42.0 AU from the Earth.
Apparent velocity is 18.0
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 180 seconds.
The 1-sigma cross-track error in the shadow position is
1666 km.
The object has an absolute magnitude Hv=6.2
Diameter=331.1 km assuming a 5% albedo -- 19.5 sec chord
Diameter=135.2 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 524049, (2023/04/12 14:18UT) Object RA Dec mag sep mel Regulus 10:09:36.6 +11:51:09 1.3 14.44 132 68Del Leo 11:15:20.6 +20:23:45 2.6 3.98 121 60 Leo 11:03:34.1 +20:03:16 4.4 2.81 123 PPM 127914 11:02:57.7 +17:14:03 8.3 0.48 123 PPM 127923 11:03:23.8 +17:30:19 9.8 0.44 123 PPM 127945 11:05:36.5 +17:22:34 10.7 0.19 122 524049 11:04:57.9 +17:16:02 11.0 122 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 524049, (2023/04/12 14:18UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 14.44 132 68Del Leo 11:14:06.7 +20:31:23 2.6 3.98 121 60 Leo 11:02:19.7 +20:10:49 4.4 2.81 123 PPM 127914 11:01:43.7 +17:21:35 8.3 0.48 123 PPM 127923 11:02:09.8 +17:37:51 9.8 0.44 123 PPM 127945 11:04:22.5 +17:30:07 10.7 0.19 122 524049 11:03:44.0 +17:23:35 11.0 122 Positions are for J2000
Event circumstances last updated at 2023/03/27 03:04:46 UT
Marc W. Buie, Southwest Research Institute