Event between 05GF187 and star GA0680:15031366 with event index number of 1191310
Geocentric closest approach at 2023/06/13 12:36:47 UTC
J2000 position of star is 17:37:48.3 -20:30:57
Equinox of date position of star is 17:39:11.5 -20:31:41
Stellar brightness G=16.4,
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 22% illuminated.
Apparent brightness V=22.7
Object is 29.4 AU from the Sun
and 28.4 AU from the Earth.
Apparent velocity is 23.1
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 426 seconds.
The 1-sigma cross-track error in the shadow position is
1655 km.
The object has an absolute magnitude Hv=8.1
Diameter=142.6 km assuming a 5% albedo -- 6.2 sec chord
Diameter=58.2 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is 3:2E
Star training set for 05GF187, (2023/06/13 12:37UT) Object RA Dec mag sep mel Antares 16:30:50.9 -26:28:55 0.9 16.74 137 35Eta Oph 17:11:43.5 -15:45:08 2.6 8.09 128 PPM 267109 17:40:09.5 -21:55:28 6.4 1.41 122 PPM 267087 17:39:14.5 -20:40:47 8.4 0.15 122 PPM 267097 17:39:32.6 -20:34:05 9.4 0.09 122 05GF187 17:39:12.1 -20:31:41 16.4 122 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 05GF187, (2023/06/13 12:37UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.74 137 35Eta Oph 17:10:22.7 -15:43:29 2.6 8.09 128 PPM 267109 17:38:44.8 -21:54:46 6.4 1.41 122 PPM 267087 17:37:50.6 -20:40:03 8.4 0.15 122 PPM 267097 17:38:08.8 -20:33:21 9.4 0.09 122 05GF187 17:37:48.3 -20:30:57 16.4 122 Positions are for J2000
Event circumstances last updated at 2023/04/18 02:27:16 UT
Marc W. Buie, Southwest Research Institute