Event between (500877) 13JE64 and star GA0700:10446732 with event index number of 2332975
Geocentric closest approach at 2028/07/24 14:24:29 UTC
J2000 position of star is 17:25:02.6 -19:39:30
Equinox of date position of star is 17:26:29.4 -19:40:43
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 9% illuminated.
Apparent brightness V=24.3
Object is 39.4 AU from the Sun
and 38.6 AU from the Earth.
Apparent velocity is 17.4
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 844 seconds.
The 1-sigma cross-track error in the shadow position is
4363 km.
The object has an absolute magnitude Hv=8.3
Diameter=138.0 km assuming a 5% albedo -- 7.5 sec chord
Diameter=56.4 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 2:1E
Star training set for 500877, (2028/07/24 14:24UT) Object RA Dec mag sep mel Antares 16:31:09.8 -26:29:34 0.9 14.47 93 35Eta Oph 17:12:01.1 -15:45:30 2.6 5.26 102 PPM 233026 17:26:17.5 -18:28:11 6.4 1.22 105 PPM 233004 17:24:57.3 -19:28:24 8.3 0.47 105 PPM 233043 17:27:10.6 -19:45:51 8.6 0.13 106 500877 17:26:43.9 -19:40:55 16.1 106 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 500877, (2028/07/24 14:24UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.47 93 35Eta Oph 17:10:22.7 -15:43:29 2.6 5.26 102 PPM 233026 17:24:37.1 -18:26:45 6.4 1.22 105 PPM 233004 17:23:16.1 -19:26:55 8.3 0.47 105 PPM 233043 17:25:29.2 -19:44:27 8.6 0.13 106 500877 17:25:02.6 -19:39:30 16.1 105 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:33:22 UT
Marc W. Buie, Southwest Research Institute