Event between (120216) 04EW95 and star GA0420:19411044 with event index number of 2141248
Geocentric closest approach at 2028/06/16 13:55:52 UTC
J2000 position of star is 16:43:00.8 -46:40:07
Equinox of date position of star is 16:44:44.6 -46:42:40
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 116 degrees from the moon.
Moon is 37% illuminated.
Apparent brightness V=21.1
Object is 27.8 AU from the Sun
and 26.9 AU from the Earth.
Apparent velocity is 22.9
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 180 seconds.
The 1-sigma cross-track error in the shadow position is
2373 km.
The object has an absolute magnitude Hv=6.6
Diameter=287.1 km assuming a 5% albedo -- 12.7 sec chord
Diameter=117.2 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is 3:2E
Star training set for 120216, (2028/06/16 13:54UT) Object RA Dec mag sep mel Antares 16:31:09.4 -26:29:33 0.9 20.42 122 The Sco 17:39:22.0 -43:00:46 1.9 10.29 106 PPM 322069 16:45:08.4 -46:07:19 6.3 0.60 116 PPM 322092 16:45:54.1 -46:45:55 8.5 0.14 115 PPM 322053 16:44:25.5 -46:41:58 9.4 0.12 116 120216 16:45:06.4 -46:43:12 15.7 115 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, (2028/06/16 13:54UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.42 122 The Sco 17:37:19.2 -42:59:52 1.9 10.29 106 PPM 322069 16:43:03.5 -46:04:13 6.3 0.60 116 PPM 322092 16:43:48.3 -46:42:52 8.5 0.14 115 PPM 322053 16:42:19.9 -46:38:51 9.4 0.12 116 120216 16:43:00.8 -46:40:07 15.7 115 Positions are for J2000
Event circumstances last updated at 2023/07/07 03:13:54 UT
Marc W. Buie, Southwest Research Institute