Event between 04KE19 and star GA0660:07884671 with event index number of 1972772
Geocentric closest approach at 2023/02/04 23:47:28 UTC
J2000 position of star is 16:45:49.7 -23:06:37
Equinox of date position of star is 16:47:13.0 -23:09:02
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 99% illuminated.
Apparent brightness V=22.9
Object is 43.2 AU from the Sun
and 43.7 AU from the Earth.
Apparent velocity is 18.7
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 342 seconds.
The 1-sigma cross-track error in the shadow position is
1962 km.
The object has an absolute magnitude Hv=6.4
Diameter=319.2 km assuming a 5% albedo -- 17.1 sec chord
Diameter=130.3 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 04KE19, (2023/02/04 23:47UT) Object RA Dec mag sep mel Antares 16:30:49.6 -26:28:53 0.9 4.99 123 23Tau Sco 16:37:19.5 -28:15:43 2.8 5.58 124 PPM 266088 16:54:47.2 -20:27:08 5.7 3.22 127 PPM 265861 16:45:13.7 -23:10:24 8.4 0.46 125 PPM 265898 16:46:22.8 -23:14:11 9.4 0.21 125 04KE19 16:47:13.3 -23:09:03 16.2 126 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 04KE19, (2023/02/04 23:47UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 4.99 123 23Tau Sco 16:35:52.9 -28:12:58 2.8 5.58 124 PPM 266088 16:53:25.2 -20:24:57 5.7 3.22 127 PPM 265861 16:43:50.2 -23:07:54 8.4 0.46 125 PPM 265898 16:44:59.3 -23:11:44 9.4 0.21 125 04KE19 16:45:49.7 -23:06:37 16.2 126 Positions are for J2000
Event circumstances last updated at 2023/01/07 03:18:29 UT
Marc W. Buie, Southwest Research Institute