Event between (538691) 16FW59 and star GA0760:04734368 with event index number of 2397594
Geocentric closest approach at 2028/03/06 02:54:33 UTC
J2000 position of star is 13:01:08.0 -13:28:05
Equinox of date position of star is 13:02:24.4 -13:35:51
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon.
Moon is 69% illuminated.
Apparent brightness V=22.7
Object is 44.9 AU from the Sun
and 44.1 AU from the Earth.
Apparent velocity is 20.5
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 532 seconds.
The 1-sigma cross-track error in the shadow position is
5210 km.
The object has an absolute magnitude Hv=6.1
Diameter=359.8 km assuming a 5% albedo -- 17.6 sec chord
Diameter=146.9 km assuming a 30% albedo -- 7.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 538691, (2028/03/06 02:55UT) Object RA Dec mag sep mel Spica 13:26:40.9 -11:18:27 1.0 6.31 106 PPM 226546 12:57:22.4 -15:28:45 6.2 2.25 101 PPM 226652 13:01:54.4 -14:02:37 7.9 0.46 101 PPM 226657 13:02:13.8 -13:25:46 9.7 0.21 101 538691 13:02:37.1 -13:37:09 16.5 102 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 538691, (2028/03/06 02:55UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 6.31 106 PPM 226546 12:55:53.2 -15:19:37 6.2 2.25 101 PPM 226652 13:00:25.3 -13:53:32 7.9 0.46 101 PPM 226657 13:00:44.8 -13:16:41 9.7 0.21 101 538691 13:01:08.0 -13:28:05 16.5 101 Positions are for J2000
Event circumstances last updated at 2024/02/25 04:13:28 UT
Marc W. Buie, Southwest Research Institute