Event between 11JY31 and star GA0680:34609703 with event index number of 315605
Geocentric closest approach at 2019/06/01 23:57:05 UTC
J2000 position of star is 19:16:07.3 -20:04:37
Equinox of date position of star is 19:17:14.9 -20:02:31
Stellar brightness G=13.7,
use SENSEUP=64
Star is 126 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=25.1
TNO is 42.4 AU from the Sun
and 41.6 AU from the Earth.
The TNO is moving 18.7
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 377 seconds.
The 1-sigma cross-track error in the shadow position is
1847 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=103.8 km assuming a 5% albedo -- 5.6 sec chord
Diameter=42.4 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 11JY31, (2019/06/01 23:57UT) Object RA Dec mag sep mel Antares 16:30:36.1 -26:28:24 0.9 38.65 161 Nunki 18:56:28.1 -26:16:15 2.0 7.85 130 43 Sgr 19:18:46.2 -18:55:01 4.9 1.18 125 PPM 235722 19:16:34.8 -19:45:07 8.1 0.33 126 PPM 269520 19:16:00.1 -19:59:57 9.6 0.30 126 11JY31 19:17:16.0 -20:02:29 13.7 125 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 11JY31, (2019/06/01 23:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 38.65 161 Nunki 18:55:15.9 -26:17:49 2.0 7.85 130 43 Sgr 19:17:38.1 -18:57:11 4.9 1.18 125 PPM 235722 19:15:26.3 -19:47:14 8.1 0.33 126 PPM 269520 19:14:51.4 -20:02:03 9.6 0.30 126 11JY31 19:16:07.3 -20:04:37 13.7 126 Positions are for J2000
Event circumstances last updated at 2019/02/12 08:18:37 UT
Marc W. Buie, Southwest Research Institute