Event between 13FD28 and star GA0740:05053685 with event index number of 1624566
Geocentric closest approach at 2020/08/20 12:10:32 UTC
J2000 position of star is 13:45:17.5 -15:33:16
Equinox of date position of star is 13:46:23.0 -15:39:18
Stellar brightness G=15.1,
use SENSEUP=128
Star is 44 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=26.4
TNO is 42.0 AU from the Sun
and 42.5 AU from the Earth.
The TNO is moving 18.5
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 403 seconds.
The 1-sigma cross-track error in the shadow position is
2608 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=283.1 km assuming a 5% albedo -- 3.3 sec chord
Diameter=115.6 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is 3:2E
Star training set for 13FD28, (2020/08/20 12:11UT) Object RA Dec mag sep mel Spica 13:26:17.0 -11:16:06 1.0 6.57 37 83 Vir 13:45:36.9 -16:16:56 5.6 0.65 44 85 Vir 13:46:41.9 -15:52:14 6.8 0.22 44 PPM 227778 13:46:06.4 -15:43:37 9.0 0.10 44 13FD28 13:46:24.4 -15:39:26 15.1 44 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 13FD28, (2020/08/20 12:11UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 6.57 37 83 Vir 13:44:29.9 -16:10:45 5.6 0.65 44 85 Vir 13:45:35.0 -15:46:04 6.8 0.22 44 PPM 227778 13:44:59.5 -15:37:26 9.0 0.10 44 13FD28 13:45:17.5 -15:33:16 15.1 44 Positions are for J2000
Event circumstances last updated at 2020/03/10 21:52:36 UT
Marc W. Buie, Southwest Research Institute