Event between (469372) 01QF298 and star GA0840:00062813 with event index number of 355615
Geocentric closest approach at 2019/06/12 16:01:54 UTC
J2000 position of star is 00:45:22.8 -04:58:36
Equinox of date position of star is 00:46:22.0 -04:52:15
Stellar brightness G=15.8,
use SENSEUP=128
Star is 165 degrees from the moon.
Moon is 76% illuminated.
TNO apparent brightness V=21.6
TNO is 43.5 AU from the Sun
and 43.8 AU from the Earth.
The TNO is moving 14.2
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 301 seconds.
The 1-sigma cross-track error in the shadow position is
1949 km.
The TNO has an absolute magnitude Hv=5.1
Diameter=575.5 km assuming a 5% albedo -- 40.6 sec chord
Diameter=234.9 km assuming a 30% albedo -- 16.6 sec chord
Dynamical classification is 3:2E
Star training set for 469372, (2019/06/12 16:02UT) Object RA Dec mag sep mel Fomalhaut 22:58:43.3 -29:31:08 1.2 35.41 130 Diphda 00:44:33.9 -17:52:49 2.0 13.02 155 PPM 182626 00:46:23.6 -04:31:22 5.9 0.35 165 PPM 182647 00:47:40.0 -04:19:21 7.8 0.64 166 PPM 182625 00:46:19.6 -04:54:11 8.8 0.03 165 469372 00:46:22.1 -04:52:14 15.8 165 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 469372, (2019/06/12 16:02UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 35.41 130 Diphda 00:43:35.7 -17:59:11 2.0 13.02 155 PPM 182626 00:45:24.2 -04:37:44 5.9 0.35 165 PPM 182647 00:46:40.6 -04:25:43 7.8 0.64 166 PPM 182625 00:45:20.3 -05:00:33 8.8 0.03 165 469372 00:45:22.8 -04:58:36 15.8 165 Positions are for J2000
Event circumstances last updated at 2019/05/23 22:40:13 UT
Marc W. Buie, Southwest Research Institute