Event between (120216) 04EW95 and star GA0500:08622958 with event index number of 2139500
Geocentric closest approach at 2023/07/14 06:05:34 UTC
J2000 position of star is 15:32:39.8 -38:31:51
Equinox of date position of star is 15:34:12.1 -38:36:32
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon.
Moon is 12% illuminated.
Apparent brightness V=21.1
Object is 27.2 AU from the Sun
and 26.6 AU from the Earth.
Apparent velocity is 13.3
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 107 seconds.
The 1-sigma cross-track error in the shadow position is
1440 km.
The object has an absolute magnitude Hv=6.6
Diameter=287.1 km assuming a 5% albedo -- 21.9 sec chord
Diameter=117.2 km assuming a 30% albedo -- 8.9 sec chord
Dynamical classification is 3:2E
Star training set for 120216, (2023/07/14 06:05UT) Object RA Dec mag sep mel Antares 16:30:51.3 -26:28:56 0.9 16.98 178 Eta Lup 16:01:41.3 -38:27:42 2.8 5.38 165 Ups Lup 15:26:17.7 -39:47:32 5.5 1.94 159 PPM 293965 15:33:36.6 -38:42:05 6.6 0.15 161 120216 15:34:12.2 -38:36:32 16.5 161 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 120216, (2023/07/14 06:05UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.98 178 Eta Lup 16:00:07.3 -38:23:48 2.8 5.38 165 Ups Lup 15:24:44.9 -39:42:38 5.5 1.94 159 PPM 293965 15:32:04.1 -38:37:23 6.6 0.15 161 120216 15:32:39.8 -38:31:51 16.5 161 Positions are for J2000
Event circumstances last updated at 2023/07/04 04:03:07 UT
Marc W. Buie, Southwest Research Institute