Event between (500881) 13JM64 and star UC4-377-076685 with event index number of 309449
Geocentric closest approach at 2019/06/05 01:15:26 UTC
J2000 position of star is 16:41:29.7 -14:41:48
Equinox of date position of star is 16:42:33.8 -14:43:54
Stellar brightness R=15.8,
use SENSEUP=128
Star is 155 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=24.3
TNO is 40.7 AU from the Sun
and 39.7 AU from the Earth.
The TNO is moving 24.6
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 192 seconds.
The 1-sigma cross-track error in the shadow position is
1706 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=138.0 km assuming a 5% albedo -- 5.6 sec chord
Diameter=56.4 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 500881, (2019/06/05 01:15UT) Object RA Dec mag sep mel Antares 16:30:36.1 -26:28:25 0.9 12.07 154 13Zet Oph 16:38:13.8 -10:36:18 2.6 4.26 152 PPM 232182 16:49:33.3 -14:56:33 6.2 1.69 157 PPM 232071 16:44:30.3 -14:54:24 8.5 0.49 155 PPM 232016 16:42:17.0 -14:46:41 9.4 0.09 155 500881 16:42:35.8 -14:43:58 15.8 155 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 500881, (2019/06/05 01:15UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.07 154 13Zet Oph 16:37:09.6 -10:34:01 2.6 4.26 152 PPM 232182 16:48:27.0 -14:54:34 6.2 1.69 157 PPM 232071 16:43:24.0 -14:52:18 8.5 0.49 155 PPM 232016 16:41:10.9 -14:44:31 9.4 0.09 155 500881 16:41:29.7 -14:41:48 15.8 155 Positions are for J2000
Event circumstances last updated at 2018/10/24 21:34:18 UT
Marc W. Buie, Southwest Research Institute