Event between (53311) Deucalion and star GA0680:06610054 with event index number of 1888038
Geocentric closest approach at 2028/05/06 20:45:13 UTC
J2000 position of star is 15:59:38.7 -20:37:54
Equinox of date position of star is 16:01:04.7 -20:41:58
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 42 degrees from the moon.
Moon is 95% illuminated.
Apparent brightness V=23.0
Object is 42.3 AU from the Sun
and 41.3 AU from the Earth.
Apparent velocity is 23.6
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 292 seconds.
The 1-sigma cross-track error in the shadow position is
2535 km.
The object has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 11.6 sec chord
Diameter=112.4 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 53311, (2028/05/06 20:45UT) Object RA Dec mag sep mel Antares 16:31:09.0 -26:29:32 0.9 8.95 49 8Bet1Sco 16:07:05.4 -19:52:50 2.6 1.59 43 PPM 264922 15:59:20.2 -21:03:47 6.1 0.58 41 PPM 264933 16:00:10.1 -20:58:22 7.7 0.37 41 PPM 264972 16:01:41.1 -20:46:58 9.4 0.11 42 53311 16:01:18.3 -20:42:37 16.1 42 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 53311, (2028/05/06 20:45UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.95 49 8Bet1Sco 16:05:26.2 -19:48:20 2.6 1.59 43 PPM 264922 15:57:40.5 -20:59:00 6.1 0.58 41 PPM 264933 15:58:30.4 -20:53:37 7.7 0.37 41 PPM 264972 16:00:01.5 -20:42:15 9.4 0.11 42 53311 15:59:38.7 -20:37:54 16.1 42 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:28:57 UT
Marc W. Buie, Southwest Research Institute