Event between (120216) 04EW95 and star GA0440:17327413 with event index number of 2141391
Geocentric closest approach at 2028/09/09 17:59:26 UTC
J2000 position of star is 16:37:19.6 -45:50:44
Equinox of date position of star is 16:39:02.3 -45:53:28
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 150 degrees from the moon.
Moon is 72% illuminated.
Apparent brightness V=21.3
Object is 27.9 AU from the Sun
and 27.9 AU from the Earth.
Apparent velocity is 12.5
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 266 seconds.
The 1-sigma cross-track error in the shadow position is
2866 km.
The object has an absolute magnitude Hv=6.6
Diameter=287.1 km assuming a 5% albedo -- 23.2 sec chord
Diameter=117.2 km assuming a 30% albedo -- 9.5 sec chord
Dynamical classification is 3:2E
Star training set for 120216, (2028/09/09 18:00UT) Object RA Dec mag sep mel Antares 16:31:10.3 -26:29:35 0.9 19.48 161 Eta Lup 16:02:02.0 -38:28:33 2.8 10.14 161 PPM 322069 16:45:09.4 -46:07:20 6.3 1.02 150 PPM 321961 16:40:05.5 -46:12:36 6.6 0.33 150 PPM 321957 16:39:55.3 -45:56:03 8.8 0.09 150 120216 16:39:24.9 -45:54:04 15.6 150 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, (2028/09/09 18:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.48 161 Eta Lup 16:00:07.3 -38:23:48 2.8 10.14 161 PPM 322069 16:43:03.5 -46:04:13 6.3 1.02 150 PPM 321961 16:37:59.8 -46:09:17 6.6 0.33 150 PPM 321957 16:37:49.9 -45:52:44 8.8 0.09 150 120216 16:37:19.6 -45:50:44 15.6 150 Positions are for J2000
Event circumstances last updated at 2023/07/07 03:27:38 UT
Marc W. Buie, Southwest Research Institute