Event between (578992) 14JL80 and star GA0700:11988651 with event index number of 2556089
Geocentric closest approach at 2028/10/04 22:25:23 UTC
J2000 position of star is 17:32:40.4 -19:01:30
Equinox of date position of star is 17:34:06.9 -19:02:26
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 122 degrees from the moon.
Moon is 98% illuminated.
Apparent brightness V=22.2
Object is 28.7 AU from the Sun
and 29.0 AU from the Earth.
Apparent velocity is 16.3
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 134 seconds.
The 1-sigma cross-track error in the shadow position is
1095 km.
The object has an absolute magnitude Hv=7.4
Diameter=199.5 km assuming a 5% albedo -- 12.4 sec chord
Diameter=81.5 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is 3:2E
Star training set for 578992, (2028/10/04 22:30UT) Object RA Dec mag sep mel Antares 16:31:10.6 -26:29:36 0.9 16.34 136 35Eta Oph 17:12:01.8 -15:45:30 2.6 6.26 127 PPM 233026 17:26:18.2 -18:28:11 6.4 1.99 124 PPM 233265 17:36:14.4 -18:14:17 7.4 0.92 121 PPM 233236 17:34:57.0 -19:23:42 9.6 0.38 122 578992 17:34:22.0 -19:02:36 16.9 121 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 578992, (2028/10/04 22:30UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.34 136 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.26 127 PPM 233026 17:24:37.1 -18:26:45 6.4 1.99 124 PPM 233265 17:34:33.4 -18:13:15 7.4 0.92 121 PPM 233236 17:33:15.1 -19:22:37 9.6 0.38 122 578992 17:32:40.4 -19:01:30 16.9 122 Positions are for J2000
Event circumstances last updated at 2024/06/24 21:34:13 UT
Marc W. Buie, Southwest Research Institute