Event between 11BR163 and star GA1160:03196929 with event index number of 1048003
Geocentric closest approach at 2020/01/01 14:22:08 UTC
J2000 position of star is 10:00:30.2 +27:55:02
Equinox of date position of star is 10:01:36.7 +27:49:24
Stellar brightness G=15.7,
use SENSEUP=128
Star is 148 degrees from the moon.
Moon is 35% illuminated.
TNO apparent brightness V=22.0
TNO is 38.5 AU from the Sun
and 37.8 AU from the Earth.
The TNO is moving 18.3
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 160 seconds.
The 1-sigma cross-track error in the shadow position is
3075 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=359.8 km assuming a 5% albedo -- 19.6 sec chord
Diameter=146.9 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 11BR163, (2020/01/01 14:22UT) Object RA Dec mag sep mel Regulus 10:09:26.1 +11:52:07 1.3 16.06 156 PPM 100009 10:00:45.2 +29:32:55 5.7 1.74 147 PPM 100021 10:01:48.4 +28:04:34 8.5 0.26 148 11BR163 10:01:38.7 +27:49:14 15.7 148 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 11BR163, (2020/01/01 14:22UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 16.06 156 PPM 100009 09:59:36.1 +29:38:42 5.7 1.74 147 PPM 100021 10:00:39.8 +28:10:22 8.5 0.26 148 11BR163 10:00:30.2 +27:55:02 15.7 148 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:06:26 UT
Marc W. Buie, Southwest Research Institute