Event between 10BK118 and star UC4-155-193997 with event index number of 108820
Geocentric closest approach at 2018/03/25 12:04:35 UTC
J2000 position of star is 16:54:55.7 -59:08:01
Equinox of date position of star is 16:56:29.4 -59:09:40
Stellar brightness R=13.3,
use SENSEUP=32
Star is 134 degrees from the moon.
Moon is 60% illuminated.
TNO apparent brightness V=22.1
TNO is 14.6 AU from the Sun
and 14.3 AU from the Earth.
The TNO is moving 22.2
km/sec on the sky relative to the star, or,
7.7 arcsec/hr.
The 1-sigma error in the time of the event is 91 seconds.
The 1-sigma cross-track error in the shadow position is
1746 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.5 km assuming a 5% albedo -- 2.5 sec chord
Diameter=22.6 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 10BK118, (2018/03/25 12:05UT) Object RA Dec mag sep mel PPM 360911 14:40:51.1 -60:54:35 0.0 16.84 119 Bet Ara 17:26:49.1 -55:32:42 2.8 5.45 140 Eta Ara 16:51:22.1 -59:04:19 3.8 0.67 134 PPM 345527 16:57:18.2 -59:26:43 7.6 0.30 134 PPM 345506 16:55:46.2 -59:20:06 9.6 0.20 134 10BK118 16:56:31.0 -59:09:42 13.3 134 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 10BK118, (2018/03/25 12:05UT) Object RA Dec mag sep mel PPM 360911 14:39:27.0 -60:49:55 0.0 16.84 119 Bet Ara 17:25:18.0 -55:31:48 2.8 5.45 140 Eta Ara 16:49:47.2 -59:02:30 3.8 0.67 134 PPM 345527 16:55:42.5 -59:25:03 7.6 0.30 134 PPM 345506 16:54:10.8 -59:18:23 9.6 0.20 134 10BK118 16:54:55.7 -59:08:01 13.3 134 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:23:05 UT
Marc W. Buie, Southwest Research Institute