Event between 10BK118 and star UC4-141-190442 with event index number of 79203
Geocentric closest approach at 2017/05/23 05:01:10 UTC
J2000 position of star is 17:19:13.8 -61:49:15
Equinox of date position of star is 17:20:47.6 -61:50:14
Stellar brightness R=15.6
Star is 111 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=21.5
TNO is 13.1 AU from the Sun
and 12.3 AU from the Earth.
The TNO is moving 35.9
km/sec on the sky relative to the star, or,
14.4 arcsec/hr.
The 1-sigma error in the time of the event is 63 seconds.
The 1-sigma cross-track error in the shadow position is
953 km.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.5 km assuming a 5% albedo -- 1.5 sec chord
Diameter=22.6 km assuming a 30% albedo -- 0.6 sec chord
Dynamical classification is CENTAURR
Star training set for 10BK118, (2017/05/23 05:01UT) Object RA Dec mag sep mel PPM 360911 14:40:47.7 -60:54:22 0.0 18.89 124 Bet Ara 17:26:44.9 -55:32:40 2.8 6.34 113 PPM 362618 17:20:29.8 -62:53:29 6.5 1.05 111 PPM 362655 17:24:43.4 -61:44:40 8.2 0.47 111 PPM 362610 17:19:39.4 -61:53:47 9.4 0.15 111 10BK118 17:20:50.0 -61:50:15 15.6 111 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, (2017/05/23 05:01UT) Object RA Dec mag sep mel PPM 360911 14:39:27.4 -60:49:56 0.0 18.89 124 Bet Ara 17:25:18.0 -55:31:48 2.8 6.34 113 PPM 362618 17:18:51.6 -62:52:28 6.5 1.05 111 PPM 362655 17:23:07.3 -61:43:45 8.2 0.47 111 PPM 362610 17:18:03.1 -61:52:45 9.4 0.15 111 10BK118 17:19:13.8 -61:49:15 15.6 111 Positions are for J2000
Event circumstances last updated at 2016/12/09 18:48:29 UT
Marc W. Buie, Southwest Research Institute