Event between 05GX186 and star GA0860:04110023 with event index number of 276303
Geocentric closest approach at 2020/07/12 20:39:45 UTC
J2000 position of star is 12:40:53.1 -02:11:18
Equinox of date position of star is 12:41:53.0 -02:17:41
Stellar brightness G=13.2,
use SENSEUP=32
Star is 170 degrees from the moon.
Moon is 51% illuminated.
TNO apparent brightness V=23.8
TNO is 43.3 AU from the Sun
and 43.4 AU from the Earth.
The TNO is moving 9.9
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 810 seconds.
The 1-sigma cross-track error in the shadow position is
4151 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=210.9 km assuming a 5% albedo -- 21.2 sec chord
Diameter=86.1 km assuming a 30% albedo -- 8.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 05GX186, (2020/07/12 20:40UT) Object RA Dec mag sep mel Spica 13:26:16.7 -11:16:04 1.0 14.19 172 Vindemiatrix 13:03:12.0 +10:50:57 2.8 14.17 165 38 Vir 12:54:14.4 -03:39:52 6.1 3.36 173 PPM 195709 12:40:56.9 -03:10:44 8.1 0.91 170 PPM 178853 12:43:59.2 -02:21:48 10.0 0.52 171 PPM 178846 12:42:35.0 -02:04:28 10.6 0.28 170 05GX186 12:41:56.4 -02:18:03 13.2 170 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 05GX186, (2020/07/12 20:40UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 14.19 172 Vindemiatrix 13:02:10.2 +10:57:33 2.8 14.17 165 38 Vir 12:53:10.8 -03:33:11 6.1 3.36 173 PPM 195709 12:39:53.5 -03:03:59 8.1 0.91 170 PPM 178853 12:42:55.9 -02:15:04 10.0 0.52 171 PPM 178846 12:41:31.7 -01:57:44 10.6 0.28 170 05GX186 12:40:53.1 -02:11:18 13.2 170 Positions are for J2000
Event circumstances last updated at 2019/06/08 00:03:22 UT
Marc W. Buie, Southwest Research Institute