Event between (500886) 13JN65 and star GA0680:08246458 with event index number of 2336566
Geocentric closest approach at 2028/05/23 18:42:08 UTC
J2000 position of star is 16:58:56.9 -21:03:34
Equinox of date position of star is 17:00:24.4 -21:05:42
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 160 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=23.6
Object is 41.1 AU from the Sun
and 40.2 AU from the Earth.
Apparent velocity is 24.3
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 271 seconds.
The 1-sigma cross-track error in the shadow position is
3551 km.
The object has an absolute magnitude Hv=7.5
Diameter=199.5 km assuming a 5% albedo -- 7.9 sec chord
Diameter=81.5 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 500886, (2028/05/23 18:42UT) Object RA Dec mag sep mel Antares 16:31:09.2 -26:29:33 0.9 8.63 166 35Eta Oph 17:12:00.5 -15:45:29 2.6 5.98 155 PPM 266088 16:55:06.1 -20:27:38 5.7 1.44 161 PPM 266258 17:02:11.5 -21:30:08 7.6 0.54 159 PPM 266248 17:01:40.6 -21:08:32 9.0 0.25 159 500886 17:00:38.3 -21:06:02 16.4 159 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 500886, (2028/05/23 18:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.63 166 35Eta Oph 17:10:22.7 -15:43:29 2.6 5.98 155 PPM 266088 16:53:25.2 -20:24:57 5.7 1.44 161 PPM 266258 17:00:29.7 -21:27:44 7.6 0.54 159 PPM 266248 16:59:59.1 -21:06:07 9.0 0.25 159 500886 16:58:56.9 -21:03:34 16.4 160 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:29:17 UT
Marc W. Buie, Southwest Research Institute