Event between (82155) 01FZ173 and star GA0620:06986127 with event index number of 2436979
Geocentric closest approach at 2023/07/09 12:05:28 UTC
J2000 position of star is 14:57:28.5 -27:05:46
Equinox of date position of star is 14:58:52.1 -27:11:22
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 139 degrees from the moon.
Moon is 56% illuminated.
Apparent brightness V=21.7
Object is 34.2 AU from the Sun
and 33.6 AU from the Earth.
Apparent velocity is 10.2
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 147 seconds.
The 1-sigma cross-track error in the shadow position is
1601 km.
The object has an absolute magnitude Hv=6.2
Diameter=345.2 km assuming a 5% albedo -- 34.4 sec chord
Diameter=140.9 km assuming a 30% albedo -- 14.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 82155, (2023/07/09 12:04UT) Object RA Dec mag sep mel Antares 16:30:51.2 -26:28:56 0.9 20.50 120 5The Cen 14:08:04.6 -36:29:04 2.1 14.22 140 59 Hya 15:00:03.1 -27:45:01 5.7 0.62 138 PPM 263595 14:58:23.4 -26:53:45 8.4 0.31 139 PPM 263616 14:59:06.3 -27:07:03 9.1 0.09 138 82155 14:58:52.2 -27:11:22 16.7 138 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 82155, (2023/07/09 12:04UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.50 120 5The Cen 14:06:40.0 -36:22:23 2.1 14.22 140 59 Hya 14:58:39.2 -27:39:27 5.7 0.62 138 PPM 263595 14:57:00.0 -26:48:08 8.4 0.31 139 PPM 263616 14:57:42.7 -27:01:27 9.1 0.09 138 82155 14:57:28.5 -27:05:46 16.7 138 Positions are for J2000
Event circumstances last updated at 2023/07/04 04:00:48 UT
Marc W. Buie, Southwest Research Institute