Event between (500882) 13JN64 and star UC4-377-077008 with event index number of 309393
Geocentric closest approach at 2019/07/18 03:51:24 UTC
J2000 position of star is 16:44:57.1 -14:40:45
Equinox of date position of star is 16:46:01.2 -14:42:46
Stellar brightness R=13.7,
use SENSEUP=64
Star is 58 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=24.3
TNO is 38.8 AU from the Sun
and 38.0 AU from the Earth.
The TNO is moving 16.1
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 353 seconds.
The 1-sigma cross-track error in the shadow position is
2479 km.
The TNO has an absolute magnitude Hv=8.3
Diameter=131.8 km assuming a 5% albedo -- 8.2 sec chord
Diameter=53.8 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is 7:3EEEE
Star training set for 500882, (2019/07/18 03:51UT) Object RA Dec mag sep mel Antares 16:30:36.5 -26:28:25 0.9 12.30 60 13Zet Oph 16:38:14.2 -10:36:19 2.6 4.53 61 PPM 232182 16:49:33.7 -14:56:33 6.2 0.88 57 PPM 232071 16:44:30.7 -14:54:25 8.5 0.42 59 PPM 232115 16:46:26.1 -14:28:22 9.3 0.26 58 500882 16:46:03.6 -14:42:50 13.7 58 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 500882, (2019/07/18 03:51UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.30 60 13Zet Oph 16:37:09.6 -10:34:01 2.6 4.53 61 PPM 232182 16:48:27.0 -14:54:34 6.2 0.88 57 PPM 232071 16:43:24.0 -14:52:18 8.5 0.42 59 PPM 232115 16:45:19.6 -14:26:18 9.3 0.26 58 500882 16:44:57.1 -14:40:45 13.7 58 Positions are for J2000
Event circumstances last updated at 2018/10/24 21:46:46 UT
Marc W. Buie, Southwest Research Institute