Event between (523790) 15HP9 and star GA0680:34215381 with event index number of 2606698
Geocentric closest approach at 2028/05/14 13:43:49 UTC
J2000 position of star is 19:08:47.9 -20:33:32
Equinox of date position of star is 19:10:14.9 -20:31:05
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 18 degrees from the moon.
Moon is 68% illuminated.
Apparent brightness V=23.3
Object is 18.3 AU from the Sun
and 17.6 AU from the Earth.
Apparent velocity is 11.2
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 783 seconds.
The 1-sigma cross-track error in the shadow position is
913 km.
The object has an absolute magnitude Hv=10.5
Diameter=50.1 km assuming a 5% albedo -- 4.3 sec chord
Diameter=20.5 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 523790, (2028/05/14 13:44UT) Object RA Dec mag sep mel Antares 16:31:09.1 -26:29:33 0.9 36.87 54 Nunki 18:57:01.3 -26:15:32 2.0 6.52 22 PPM 235581 19:11:28.4 -19:45:22 6.4 0.79 17 PPM 269408 19:12:12.2 -20:37:22 8.3 0.42 17 PPM 269396 19:11:31.8 -20:24:11 8.6 0.27 17 523790 19:10:28.7 -20:30:42 13.8 17 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 523790, (2028/05/14 13:44UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 36.87 54 Nunki 18:55:15.9 -26:17:49 2.0 6.52 22 PPM 235581 19:09:48.2 -19:48:15 6.4 0.79 17 PPM 269408 19:10:31.4 -20:40:16 8.3 0.42 17 PPM 269396 19:09:51.1 -20:27:04 8.6 0.27 17 523790 19:08:47.9 -20:33:32 13.8 18 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:29:02 UT
Marc W. Buie, Southwest Research Institute