Event between (545361) 11GZ61 and star GA0640:06612488 with event index number of 2398825
Geocentric closest approach at 2028/04/14 13:59:36 UTC
J2000 position of star is 14:50:26.5 -24:09:02
Equinox of date position of star is 14:51:51.1 -24:15:00
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 44 degrees from the moon.
Moon is 70% illuminated.
Apparent brightness V=21.7
Object is 39.1 AU from the Sun
and 38.2 AU from the Earth.
Apparent velocity is 22.3
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 196 seconds.
The 1-sigma cross-track error in the shadow position is
1991 km.
The object has an absolute magnitude Hv=5.8
Diameter=401.8 km assuming a 5% albedo -- 18.5 sec chord
Diameter=164.0 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 545361, (2028/04/14 14:07UT) Object RA Dec mag sep mel Antares 16:31:08.8 -26:29:32 0.9 22.45 22 5The Cen 14:08:21.7 -36:30:25 2.1 15.43 51 PPM 263433 14:50:57.3 -24:22:03 5.6 0.28 44 PPM 263453 14:51:57.2 -24:32:36 8.5 0.28 44 PPM 263443 14:51:34.2 -24:20:09 8.7 0.14 44 545361 14:52:05.0 -24:15:58 16.9 44 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 545361, (2028/04/14 14:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.45 22 5The Cen 14:06:40.0 -36:22:23 2.1 15.43 51 PPM 263433 14:49:18.7 -24:15:05 5.6 0.28 44 PPM 263453 14:50:18.5 -24:25:40 8.5 0.28 44 PPM 263443 14:49:55.6 -24:13:12 8.7 0.14 44 545361 14:50:26.5 -24:09:02 16.9 44 Positions are for J2000
Event circumstances last updated at 2024/04/19 00:43:47 UT
Marc W. Buie, Southwest Research Institute