Event between (523683) 14CP23 and star GA1040:03455935 with event index number of 2624545
Geocentric closest approach at 2023/03/31 00:10:19 UTC
J2000 position of star is 11:24:19.9 +15:45:46
Equinox of date position of star is 11:25:32.7 +15:38:06
Stellar brightness G=13.0,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 45 degrees from the moon.
Moon is 68% illuminated.
Apparent brightness V=22.0
Object is 38.1 AU from the Sun
and 37.2 AU from the Earth.
Apparent velocity is 22.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 71 seconds.
The 1-sigma cross-track error in the shadow position is
1456 km.
The object has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 15.5 sec chord
Diameter=141.6 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 523683, (2023/03/31 00:11UT) Object RA Dec mag sep mel Regulus 10:09:36.5 +11:51:10 1.3 18.82 29 68Del Leo 11:15:20.5 +20:23:46 2.6 5.34 41 81 Leo 11:26:49.0 +16:19:42 5.8 0.76 45 PPM 128227 11:25:39.3 +15:45:22 8.1 0.12 45 523683 11:25:32.7 +15:38:06 13.0 45 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 523683, (2023/03/31 00:11UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 18.82 29 68Del Leo 11:14:06.7 +20:31:22 2.6 5.34 41 81 Leo 11:25:36.2 +16:27:23 5.8 0.76 45 PPM 128227 11:24:26.5 +15:53:02 8.1 0.12 45 523683 11:24:19.9 +15:45:46 13.0 45 Positions are for J2000
Event circumstances last updated at 2023/03/27 03:04:29 UT
Marc W. Buie, Southwest Research Institute