Event between (82155) 01FZ173 and star GA0620:06985569 with event index number of 2436981
Geocentric closest approach at 2023/08/13 19:12:49 UTC
J2000 position of star is 14:57:24.3 -26:57:21
Equinox of date position of star is 14:58:47.8 -27:02:57
Stellar brightness G=9.3,
use SENSEUP=2 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 118 degrees from the moon.
Moon is 6% illuminated.
Apparent brightness V=21.7
Object is 34.2 AU from the Sun
and 34.2 AU from the Earth.
Apparent velocity is 8.0
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 219 seconds.
The 1-sigma cross-track error in the shadow position is
1389 km.
The object has an absolute magnitude Hv=6.2
Diameter=345.2 km assuming a 5% albedo -- 43.9 sec chord
Diameter=140.9 km assuming a 30% albedo -- 17.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 82155, (2023/08/13 19:16UT) Object RA Dec mag sep mel Antares 16:30:51.6 -26:28:56 0.9 20.53 138 5The Cen 14:08:04.9 -36:29:05 2.1 14.30 110 59 Hya 15:00:03.5 -27:45:02 5.7 0.75 118 PPM 263595 14:58:23.8 -26:53:46 8.4 0.18 118 PPM 263616 14:59:06.7 -27:07:04 9.1 0.10 118 82155 14:58:48.1 -27:02:59 9.3 118 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, (2023/08/13 19:16UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.53 138 5The Cen 14:06:40.0 -36:22:23 2.1 14.30 110 59 Hya 14:58:39.2 -27:39:27 5.7 0.75 118 PPM 263595 14:57:00.0 -26:48:08 8.4 0.18 118 PPM 263616 14:57:42.7 -27:01:27 9.1 0.10 118 82155 14:57:24.3 -26:57:21 9.3 118 Positions are for J2000
Event circumstances last updated at 2023/07/04 04:03:46 UT
Marc W. Buie, Southwest Research Institute