Event between (511130) 13WV107 and star GA1000:03014845 with event index number of 246800
Geocentric closest approach at 2018/12/13 21:18:11 UTC
J2000 position of star is 07:51:38.0 +11:29:59
Equinox of date position of star is 07:52:40.3 +11:27:02
Stellar brightness G=17.1,
use SENSEUP=128
Star is 142 degrees from the moon.
Moon is 35% illuminated.
TNO apparent brightness V=20.4
TNO is 10.9 AU from the Sun
and 10.1 AU from the Earth.
The TNO is moving 16.5
km/sec on the sky relative to the star, or,
8.2 arcsec/hr.
The 1-sigma error in the time of the event is 109 seconds.
The 1-sigma cross-track error in the shadow position is
1243 km.
The TNO has an absolute magnitude Hv=9.9
Diameter=63.1 km assuming a 5% albedo -- 3.8 sec chord
Diameter=25.8 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CENTAURR
Star training set for 511130, (2018/12/13 21:18UT) Object RA Dec mag sep mel Pollux 07:46:28.4 +27:58:44 1.1 16.59 139 11 CMi 07:47:18.7 +10:43:15 5.2 1.51 140 PPM 124521 07:52:27.8 +11:06:59 8.4 0.34 141 511130 07:52:40.8 +11:27:01 17.1 142 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 511130, (2018/12/13 21:18UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 16.59 139 11 CMi 07:46:16.2 +10:46:05 5.2 1.51 140 PPM 124521 07:51:25.2 +11:09:57 8.4 0.34 141 511130 07:51:38.0 +11:29:59 17.1 142 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:45:27 UT
Marc W. Buie, Southwest Research Institute