Event between (28978) Ixion and star GA0560:39840758 with event index number of 1906199
Geocentric closest approach at 2028/06/14 17:18:07 UTC
J2000 position of star is 18:51:47.8 -33:10:19
Equinox of date position of star is 18:53:22.7 -33:08:29
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 55% illuminated.
Apparent brightness V=19.2
Object is 37.0 AU from the Sun
and 36.0 AU from the Earth.
Apparent velocity is 23.4
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 371 seconds.
The 1-sigma cross-track error in the shadow position is
3852 km.
The object has an absolute magnitude Hv=3.5
Diameter=1148.2 km assuming a 5% albedo -- 52.0 sec chord
Diameter=468.7 km assuming a 30% albedo -- 21.2 sec chord
Dynamical classification is 3:2E
Star training set for 28978, (2028/06/14 17:18UT) Object RA Dec mag sep mel Antares 16:31:09.4 -26:29:33 0.9 31.46 100 38Zet Sgr 19:04:25.2 -29:50:13 2.7 4.02 66 PPM 298194 18:51:10.5 -34:42:56 6.5 1.66 70 PPM 298200 18:51:33.2 -33:33:50 7.8 0.61 70 PPM 298277 18:54:56.8 -33:09:26 9.9 0.27 69 28978 18:53:39.5 -33:08:09 17.0 69 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 28978, (2028/06/14 17:18UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 31.46 100 38Zet Sgr 19:02:36.7 -29:52:49 2.7 4.02 66 PPM 298194 18:49:17.3 -34:45:00 6.5 1.66 70 PPM 298200 18:49:41.1 -33:35:55 7.8 0.61 70 PPM 298277 18:53:05.2 -33:11:39 9.9 0.27 69 28978 18:51:47.8 -33:10:19 17.0 69 Positions are for J2000
Event circumstances last updated at 2024/03/07 04:28:00 UT
Marc W. Buie, Southwest Research Institute