Event between 10BK118 and star GA0360:18949544 with event index number of 211944
Geocentric closest approach at 2019/09/30 20:36:52 UTC
J2000 position of star is 15:20:48.2 -53:07:26
Equinox of date position of star is 15:22:13.1 -53:11:29
Stellar brightness G=13.4,
use SENSEUP=32
Star is 45 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=22.9
TNO is 17.2 AU from the Sun
and 17.6 AU from the Earth.
The TNO is moving 18.8
km/sec on the sky relative to the star, or,
5.3 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is
2129 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.5 km assuming a 5% albedo -- 3.0 sec chord
Diameter=22.6 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 10BK118, (2019/09/30 20:37UT) Object RA Dec mag sep mel PPM 360911 14:40:57.6 -60:54:57 0.0 9.52 52 Eps Lup 15:24:01.8 -44:45:33 2.8 8.44 38 PPM 343490 15:12:45.1 -55:25:11 5.5 2.62 47 PPM 343655 15:23:46.0 -53:18:27 7.7 0.25 45 PPM 343637 15:22:29.4 -53:00:01 9.8 0.20 45 10BK118 15:22:16.1 -53:11:38 13.4 45 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, (2019/09/30 20:37UT) Object RA Dec mag sep mel PPM 360911 14:39:26.4 -60:49:54 0.0 9.52 52 Eps Lup 15:22:40.8 -44:41:23 2.8 8.44 38 PPM 343490 15:11:16.0 -55:20:46 5.5 2.62 47 PPM 343655 15:22:17.9 -53:14:16 7.7 0.25 45 PPM 343637 15:21:01.7 -52:55:49 9.8 0.20 45 10BK118 15:20:48.2 -53:07:26 13.4 45 Positions are for J2000
Event circumstances last updated at 2019/01/28 21:48:57 UT
Marc W. Buie, Southwest Research Institute