Event between 10BK118 and star UC4-166-167510 with event index number of 84056
Geocentric closest approach at 2017/10/09 10:52:38 UTC
J2000 position of star is 16:23:28.9 -56:48:28
Equinox of date position of star is 16:24:52.6 -56:50:46
Stellar brightness R=15.2
Star is 140 degrees from the moon.
Moon is 83% illuminated.
TNO apparent brightness V=22.0
TNO is 13.8 AU from the Sun
and 14.2 AU from the Earth.
The TNO is moving 17.6
km/sec on the sky relative to the star, or,
6.2 arcsec/hr.
The 1-sigma error in the time of the event is 115 seconds.
The 1-sigma cross-track error in the shadow position is
1990 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.5 km assuming a 5% albedo -- 3.2 sec chord
Diameter=22.6 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is CENTAURR
Star training set for 10BK118, (2017/10/09 10:53UT) Object RA Dec mag sep mel PPM 360911 14:40:49.5 -60:54:28 0.0 13.95 132 Bet TrA 15:56:43.4 -63:29:01 2.8 7.50 133 PPM 345112 16:31:14.7 -57:47:39 6.3 1.27 139 PPM 344996 16:26:16.2 -57:02:47 7.6 0.27 139 PPM 344928 16:23:29.3 -56:43:36 9.4 0.23 140 10BK118 16:24:56.7 -56:50:52 15.2 139 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, (2017/10/09 10:53UT) Object RA Dec mag sep mel PPM 360911 14:39:27.4 -60:49:56 0.0 13.95 132 Bet TrA 15:55:08.1 -63:25:57 2.8 7.50 133 PPM 345112 16:29:45.2 -57:45:23 6.3 1.27 139 PPM 344996 16:24:48.0 -57:00:24 7.6 0.27 139 PPM 344928 16:22:01.7 -56:41:09 9.4 0.23 140 10BK118 16:23:28.9 -56:48:28 15.2 139 Positions are for J2000
Event circumstances last updated at 2016/12/09 18:53:54 UT
Marc W. Buie, Southwest Research Institute