Event between 14XQ40 and star UC4-382-060077 with event index number of 141707
Geocentric closest approach at 2017/07/04 23:32:06 UTC
J2000 position of star is 11:44:20.3 -13:45:31
Equinox of date position of star is 11:45:13.3 -13:51:19
Stellar brightness R=14.4,
use SENSEUP=128
Star is 58 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=22.0
TNO is 18.3 AU from the Sun
and 18.4 AU from the Earth.
The TNO is moving 16.5
km/sec on the sky relative to the star, or,
4.4 arcsec/hr.
The 1-sigma error in the time of the event is 216 seconds.
The 1-sigma cross-track error in the shadow position is
2725 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=92.9 km assuming a 5% albedo -- 5.6 sec chord
Diameter=37.9 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 14XQ40, (2017/07/04 23:32UT) Object RA Dec mag sep mel Spica 13:26:07.1 -11:15:08 1.0 24.74 34 4Gam Crv 12:16:42.5 -17:38:21 2.6 8.46 50 PPM 224734 11:40:44.4 -14:33:57 6.5 1.30 59 PPM 224818 11:44:27.6 -14:07:04 8.5 0.32 58 PPM 224853 11:45:41.8 -13:48:44 9.3 0.12 58 14XQ40 11:45:13.7 -13:51:21 14.4 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 14XQ40, (2017/07/04 23:32UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 24.74 34 4Gam Crv 12:15:48.2 -17:32:31 2.6 8.46 50 PPM 224734 11:39:51.1 -14:28:07 6.5 1.30 59 PPM 224818 11:43:34.2 -14:01:14 8.5 0.32 58 PPM 224853 11:44:48.3 -13:42:54 9.3 0.12 58 14XQ40 11:44:20.3 -13:45:31 14.4 58 Positions are for J2000
Event circumstances last updated at 2017/05/16 18:28:40 UT
Marc W. Buie, Southwest Research Institute