Event between 05GF187 and star GA0700:07456869 with event index number of 195512
Geocentric closest approach at 2019/04/07 18:54:13 UTC
J2000 position of star is 16:59:41.1 -19:26:46
Equinox of date position of star is 17:00:49.1 -19:28:26
Stellar brightness G=15.4,
use SENSEUP=128
Star is 150 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=22.9
TNO is 29.5 AU from the Sun
and 29.0 AU from the Earth.
The TNO is moving 9.1
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 513 seconds.
The 1-sigma cross-track error in the shadow position is
2400 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 15.9 sec chord
Diameter=59.0 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is 3:2E
Star training set for 05GF187, (2019/04/07 18:54UT) Object RA Dec mag sep mel Antares 16:30:35.5 -26:28:23 0.9 9.86 154 35Eta Oph 17:11:29.1 -15:44:51 2.6 4.51 148 PPM 232367 16:58:11.9 -19:34:09 6.1 0.62 151 PPM 232457 17:01:26.8 -19:11:45 8.3 0.31 150 PPM 232421 17:00:02.2 -19:38:17 9.7 0.25 150 05GF187 17:00:49.2 -19:28:26 15.4 150 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, (2019/04/07 18:54UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.86 154 35Eta Oph 17:10:22.7 -15:43:29 2.6 4.51 148 PPM 232367 16:57:03.9 -19:32:25 6.1 0.62 151 PPM 232457 17:00:18.9 -19:10:06 8.3 0.31 150 PPM 232421 16:58:54.1 -19:36:36 9.7 0.25 150 05GF187 16:59:41.1 -19:26:46 15.4 150 Positions are for J2000
Event circumstances last updated at 2019/03/29 21:47:18 UT
Marc W. Buie, Southwest Research Institute