Event between (471165) 10HE79 and star GA0720:08479912 with event index number of 2264618
Geocentric closest approach at 2028/05/20 01:47:29 UTC
J2000 position of star is 17:19:57.1 -17:09:46
Equinox of date position of star is 17:21:18.9 -17:11:06
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 18% illuminated.
Apparent brightness V=21.2
Object is 38.9 AU from the Sun
and 37.9 AU from the Earth.
Apparent velocity is 22.9
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 105 seconds.
The 1-sigma cross-track error in the shadow position is
1424 km.
The object has an absolute magnitude Hv=5.3
Diameter=527.2 km assuming a 5% albedo -- 23.1 sec chord
Diameter=215.2 km assuming a 30% albedo -- 9.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 471165, (2028/05/20 01:48UT) Object RA Dec mag sep mel Antares 16:31:09.2 -26:29:33 0.9 14.93 120 35Eta Oph 17:12:00.5 -15:45:29 2.6 2.71 110 PPM 232892 17:19:57.5 -16:20:23 5.9 0.94 109 PPM 232993 17:24:14.6 -17:43:44 8.5 0.83 108 PPM 232948 17:22:12.6 -16:56:13 9.2 0.29 108 471165 17:21:35.9 -17:11:23 15.7 108 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 471165, (2028/05/20 01:48UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.93 120 35Eta Oph 17:10:22.7 -15:43:29 2.6 2.71 110 PPM 232892 17:18:19.3 -16:18:42 5.9 0.94 109 PPM 232993 17:22:35.3 -17:42:13 8.5 0.83 108 PPM 232948 17:20:33.9 -16:54:37 9.2 0.29 108 471165 17:19:57.1 -17:09:46 15.7 108 Positions are for J2000
Event circumstances last updated at 2023/07/07 03:10:02 UT
Marc W. Buie, Southwest Research Institute