Event between 11JY31 and star GA0680:34655217 with event index number of 203331
Geocentric closest approach at 2019/05/14 16:54:50 UTC
J2000 position of star is 19:17:04.7 -20:03:39
Equinox of date position of star is 19:18:09.9 -20:01:37
Stellar brightness G=16.8,
use SENSEUP=128
Star is 109 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=25.2
TNO is 42.4 AU from the Sun
and 41.8 AU from the Earth.
The TNO is moving 12.1
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 1811 seconds.
The 1-sigma cross-track error in the shadow position is
1972 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=103.8 km assuming a 5% albedo -- 8.6 sec chord
Diameter=42.4 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 11JY31, (2019/05/14 16:55UT) Object RA Dec mag sep mel Antares 16:30:35.9 -26:28:24 0.9 38.87 71 Nunki 18:56:27.9 -26:16:16 2.0 8.00 104 43 Sgr 19:18:46.0 -18:55:01 4.9 1.12 109 PPM 235722 19:16:34.7 -19:45:07 8.1 0.47 109 PPM 235780 19:19:04.2 -19:50:09 9.3 0.28 109 11JY31 19:18:13.2 -20:01:30 16.8 109 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, (2019/05/14 16:55UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 38.87 71 Nunki 18:55:15.9 -26:17:49 2.0 8.00 104 43 Sgr 19:17:38.1 -18:57:11 4.9 1.12 109 PPM 235722 19:15:26.3 -19:47:14 8.1 0.47 109 PPM 235780 19:17:55.8 -19:52:19 9.3 0.28 109 11JY31 19:17:04.7 -20:03:39 16.8 109 Positions are for J2000
Event circumstances last updated at 2018/06/11 23:10:39 UT
Marc W. Buie, Southwest Research Institute