Event between 11BV163 and star GA1080:03202458 with event index number of 173035
Geocentric closest approach at 2018/12/14 05:22:56 UTC
J2000 position of star is 09:17:39.9 +18:08:06
Equinox of date position of star is 09:18:43.1 +18:03:19
Stellar brightness G=14.5,
use SENSEUP=128
Star is 158 degrees from the moon.
Moon is 38% illuminated.
TNO apparent brightness V=22.8
TNO is 39.7 AU from the Sun
and 39.1 AU from the Earth.
The TNO is moving 12.9
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 626 seconds.
The 1-sigma cross-track error in the shadow position is
3088 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=281.8 km assuming a 5% albedo -- 21.8 sec chord
Diameter=115.1 km assuming a 30% albedo -- 8.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 11BV163, (2018/12/14 05:23UT) Object RA Dec mag sep mel Regulus 10:09:22.8 +11:52:26 1.3 13.70 171 PPM 126439 09:26:35.3 +16:30:10 6.3 2.44 160 PPM 126281 09:17:58.6 +18:02:56 8.4 0.18 158 PPM 126300 09:19:05.2 +17:57:53 9.1 0.12 158 11BV163 09:18:43.6 +18:03:17 14.5 158 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 11BV163, (2018/12/14 05:23UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 13.70 171 PPM 126439 09:25:32.4 +16:35:07 6.3 2.44 160 PPM 126281 09:16:54.9 +18:07:44 8.4 0.18 158 PPM 126300 09:18:01.6 +18:02:42 9.1 0.12 158 11BV163 09:17:39.9 +18:08:06 14.5 158 Positions are for J2000
Event circumstances last updated at 2018/10/22 18:23:23 UT
Marc W. Buie, Southwest Research Institute