Event between (471318) 11JF31 and star GA0700:05873711 with event index number of 183159
Geocentric closest approach at 2019/03/29 23:15:03 UTC
J2000 position of star is 15:38:39.5 -19:53:43
Equinox of date position of star is 15:39:43.5 -19:57:16
Stellar brightness G=14.8,
use SENSEUP=128
Star is 62 degrees from the moon.
Moon is 33% illuminated.
TNO apparent brightness V=21.6
TNO is 42.4 AU from the Sun
and 41.7 AU from the Earth.
The TNO is moving 15.6
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 614 seconds.
The 1-sigma cross-track error in the shadow position is
3150 km.
The TNO has an absolute magnitude Hv=5.2
Diameter=549.6 km assuming a 5% albedo -- 35.2 sec chord
Diameter=224.4 km assuming a 30% albedo -- 14.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 471318, (2019/03/29 23:15UT) Object RA Dec mag sep mel Antares 16:30:35.4 -26:28:23 0.9 13.36 49 7Del Sco 16:01:28.5 -22:40:30 2.3 5.74 56 41 Lib 15:40:01.2 -19:21:50 5.3 0.60 62 PPM 230514 15:39:31.9 -19:58:32 7.1 0.06 62 471318 15:39:46.3 -19:57:26 14.8 61 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 471318, (2019/03/29 23:15UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.36 49 7Del Sco 16:00:20.0 -22:37:18 2.3 5.74 56 41 Lib 15:38:54.7 -19:18:08 5.3 0.60 62 PPM 230514 15:38:25.1 -19:54:49 7.1 0.06 62 471318 15:38:39.5 -19:53:43 14.8 62 Positions are for J2000
Event circumstances last updated at 2018/06/11 22:53:13 UT
Marc W. Buie, Southwest Research Institute