Event between 12GX17 and star GA0800:04456790 with event index number of 2155033
Geocentric closest approach at 2024/07/30 05:11:32 UTC
J2000 position of star is 13:59:52.6 -09:44:21
Equinox of date position of star is 14:01:08.7 -09:51:15
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 28% illuminated.
Apparent brightness V=23.6
Object is 36.4 AU from the Sun
and 36.5 AU from the Earth.
Apparent velocity is 6.9
km/sec on the sky relative to the star, or,
0.9 arcsec/hr.
The 1-sigma error in the time of the event is 1533 seconds.
The 1-sigma cross-track error in the shadow position is
4741 km.
The object has an absolute magnitude Hv=7.8
Diameter=166.0 km assuming a 5% albedo -- 24.1 sec chord
Diameter=67.8 km assuming a 30% albedo -- 9.8 sec chord
Dynamical classification is CENTAURR
Star training set for 12GX17, (2024/07/30 05:12UT) Object RA Dec mag sep mel Spica 13:26:29.5 -11:17:20 1.0 8.64 139 95 Vir 14:08:01.1 -09:25:47 5.3 1.74 148 PPM 228049 13:57:54.5 -10:09:13 8.1 0.86 146 PPM 197085 14:01:01.7 -09:45:45 9.1 0.10 146 12GX17 14:01:11.0 -09:51:27 14.3 147 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 12GX17, (2024/07/30 05:12UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 8.64 139 95 Vir 14:06:42.6 -09:18:48 5.3 1.74 148 PPM 228049 13:56:36.1 -10:02:03 8.1 0.86 146 PPM 197085 13:59:43.3 -09:38:39 9.1 0.10 146 12GX17 13:59:52.6 -09:44:21 14.3 146 Positions are for J2000
Event circumstances last updated at 2023/11/08 05:25:09 UT
Marc W. Buie, Southwest Research Institute