Event between 10EL139 and star GA0560:06780008 with event index number of 294936
Geocentric closest approach at 2019/07/23 11:48:02 UTC
J2000 position of star is 13:37:03.5 -32:52:45
Equinox of date position of star is 13:38:10.2 -32:58:40
Stellar brightness G=16.3,
use SENSEUP=128
Star is 146 degrees from the moon.
Moon is 65% illuminated.
TNO apparent brightness V=21.3
TNO is 37.3 AU from the Sun
and 37.2 AU from the Earth.
The TNO is moving 10.0
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 207 seconds.
The 1-sigma cross-track error in the shadow position is
2636 km.
The TNO has an absolute magnitude Hv=5.4
Diameter=496.6 km assuming a 5% albedo -- 49.5 sec chord
Diameter=202.7 km assuming a 30% albedo -- 20.2 sec chord
Dynamical classification is 3:2E
Star training set for 10EL139, (2019/07/23 11:48UT) Object RA Dec mag sep mel Spica 13:26:13.6 -11:15:46 1.0 21.89 167 Iot Cen 13:21:42.2 -36:48:54 2.8 5.11 143 PPM 291555 13:35:50.6 -33:24:38 6.5 0.65 146 PPM 291648 13:39:57.7 -33:12:37 7.4 0.44 146 PPM 291608 13:38:12.8 -32:52:13 9.8 0.11 146 10EL139 13:38:10.6 -32:58:42 16.3 146 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 10EL139, (2019/07/23 11:48UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 21.89 167 Iot Cen 13:20:35.3 -36:42:46 2.8 5.11 143 PPM 291555 13:34:43.5 -33:18:39 6.5 0.65 146 PPM 291648 13:38:50.3 -33:06:41 7.4 0.44 146 PPM 291608 13:37:05.7 -32:46:17 9.8 0.11 146 10EL139 13:37:03.5 -32:52:45 16.3 146 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:27:22 UT
Marc W. Buie, Southwest Research Institute