Event between (38628) Huya and star GA0820:07775302 with event index number of 2433303
Geocentric closest approach at 2028/07/09 03:31:03 UTC
J2000 position of star is 18:07:40.5 -07:49:49
Equinox of date position of star is 18:09:00.3 -07:49:31
Stellar brightness G=15.9,
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 95% illuminated.
Apparent brightness V=19.5
Object is 29.7 AU from the Sun
and 28.7 AU from the Earth.
Apparent velocity is 22.3
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 104 seconds.
The 1-sigma cross-track error in the shadow position is
1077 km.
The object has an absolute magnitude Hv=4.8
Diameter=648.7 km assuming a 5% albedo -- 29.4 sec chord
Diameter=264.8 km assuming a 30% albedo -- 12.0 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 38628, (2028/07/09 03:30UT) Object RA Dec mag sep mel Antares 16:31:09.7 -26:29:34 0.9 29.84 65 60Bet Oph 17:44:53.0 +04:33:26 2.8 13.79 54 PPM 201392 18:07:40.6 -08:19:10 6.1 0.63 44 PPM 201422 18:09:40.9 -07:58:25 9.5 0.19 44 38628 18:09:13.4 -07:49:28 15.9 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 38628, (2028/07/09 03:30UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 29.84 65 60Bet Oph 17:43:28.3 +04:34:06 2.8 13.79 54 PPM 201392 18:06:07.4 -08:19:27 6.1 0.63 44 PPM 201422 18:08:07.9 -07:58:47 9.5 0.19 44 38628 18:07:40.5 -07:49:49 15.9 44 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:30:42 UT
Marc W. Buie, Southwest Research Institute