Event between (500879) 13JH64 and star GA0740:05865343 with event index number of 309497
Geocentric closest approach at 2019/03/28 15:39:45 UTC
J2000 position of star is 16:12:45.4 -15:35:50
Equinox of date position of star is 16:13:50.5 -15:38:42
Stellar brightness G=13.4,
use SENSEUP=32
Star is 39 degrees from the moon.
Moon is 45% illuminated.
TNO apparent brightness V=23.1
TNO is 52.8 AU from the Sun
and 52.2 AU from the Earth.
The TNO is moving 12.1
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 271 seconds.
The 1-sigma cross-track error in the shadow position is
2255 km.
The TNO has an absolute magnitude Hv=5.8
Diameter=416.9 km assuming a 5% albedo -- 34.3 sec chord
Diameter=170.2 km assuming a 30% albedo -- 14.0 sec chord
Dynamical classification is 11:4EEEEEEE
Star training set for 500879, (2019/03/28 15:40UT) Object RA Dec mag sep mel Antares 16:30:35.4 -26:28:23 0.9 11.51 34 8Bet1Sco 16:06:33.5 -19:51:24 2.6 4.55 40 PPM 231511 16:20:05.7 -14:55:06 5.8 1.67 38 PPM 231371 16:14:16.5 -15:09:54 7.2 0.49 39 PPM 231374 16:14:30.6 -15:49:17 9.2 0.24 39 500879 16:13:50.9 -15:38:43 13.4 39 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 500879, (2019/03/28 15:40UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 11.51 34 8Bet1Sco 16:05:26.2 -19:48:20 2.6 4.55 40 PPM 231511 16:19:00.4 -14:52:22 5.8 1.67 38 PPM 231371 16:13:11.2 -15:07:02 7.2 0.49 39 PPM 231374 16:13:24.9 -15:46:25 9.2 0.24 39 500879 16:12:45.4 -15:35:50 13.4 39 Positions are for J2000
Event circumstances last updated at 2019/02/12 07:03:11 UT
Marc W. Buie, Southwest Research Institute