Event between (471155) 10GF65 and star GA0540:37767931 with event index number of 2238204
Geocentric closest approach at 2028/03/22 16:27:56 UTC
J2000 position of star is 19:17:34.0 -34:19:48
Equinox of date position of star is 19:19:10.3 -34:17:03
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 40 degrees from the moon.
Moon is 11% illuminated.
Apparent brightness V=21.0
Object is 22.1 AU from the Sun
and 22.3 AU from the Earth.
Apparent velocity is 16.1
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 1482 seconds.
The 1-sigma cross-track error in the shadow position is
5838 km.
The object has an absolute magnitude Hv=7.3
Diameter=229.1 km assuming a 5% albedo -- 13.1 sec chord
Diameter=93.5 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is CENTAURR
Star training set for 471155, (2028/03/22 16:28UT) Object RA Dec mag sep mel Antares 16:31:08.6 -26:29:31 0.9 36.85 75 38Zet Sgr 19:04:24.3 -29:50:14 2.7 5.46 42 PPM 298854 19:21:32.0 -35:22:03 5.6 1.17 40 PPM 298811 19:19:46.9 -34:28:00 8.5 0.20 40 PPM 298793 19:18:56.3 -34:08:46 8.8 0.16 40 471155 19:19:25.0 -34:16:38 17.0 40 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 471155, (2028/03/22 16:28UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 36.85 75 38Zet Sgr 19:02:36.7 -29:52:49 2.7 5.46 42 PPM 298854 19:19:40.0 -35:25:18 5.6 1.17 40 PPM 298811 19:17:55.7 -34:31:11 8.5 0.20 40 PPM 298793 19:17:05.3 -34:11:54 8.8 0.16 40 471155 19:17:34.0 -34:19:48 17.0 40 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:29:41 UT
Marc W. Buie, Southwest Research Institute