Event between (120216) 04EW95 and star GA0480:09859572 with event index number of 2139675
Geocentric closest approach at 2024/05/13 07:12:11 UTC
J2000 position of star is 15:52:54.1 -40:43:18
Equinox of date position of star is 15:54:29.5 -40:47:25
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 29% illuminated.
Apparent brightness V=21.0
Object is 27.3 AU from the Sun
and 26.4 AU from the Earth.
Apparent velocity is 23.2
km/sec on the sky relative to the star, or,
4.4 arcsec/hr.
The 1-sigma error in the time of the event is 86 seconds.
The 1-sigma cross-track error in the shadow position is
1598 km.
The object has an absolute magnitude Hv=6.6
Diameter=287.1 km assuming a 5% albedo -- 12.5 sec chord
Diameter=117.2 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is 3:2E
Star training set for 120216, (2024/05/13 07:12UT) Object RA Dec mag sep mel Antares 16:30:54.3 -26:29:02 0.9 16.16 132 Eta Lup 16:01:44.7 -38:27:50 2.8 2.71 127 PPM 294433 15:57:45.2 -39:56:02 6.4 1.05 127 PPM 321183 15:56:46.2 -40:40:57 7.7 0.43 126 PPM 321134 15:53:58.4 -40:40:27 9.6 0.16 126 120216 15:54:33.0 -40:47:34 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 120216, (2024/05/13 07:12UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.16 132 Eta Lup 16:00:07.3 -38:23:48 2.8 2.71 127 PPM 294433 15:56:06.9 -39:51:52 6.4 1.05 127 PPM 321183 15:55:07.3 -40:36:46 7.7 0.43 126 PPM 321134 15:52:19.7 -40:36:10 9.6 0.16 126 120216 15:52:54.1 -40:43:18 16.2 126 Positions are for J2000
Event circumstances last updated at 2023/07/04 04:10:29 UT
Marc W. Buie, Southwest Research Institute