Event between (10370) Hylonome and star UC4-356-145152 with event index number of 73788
Geocentric closest approach at 2017/06/01 00:56:35 UTC
J2000 position of star is 18:29:20.5 -18:59:29
Equinox of date position of star is 18:30:20.3 -18:58:45
Stellar brightness R=16.4
Star is 122 degrees from the moon.
Moon is 45% illuminated.
TNO apparent brightness V=22.4
TNO is 23.7 AU from the Sun
and 22.8 AU from the Earth.
The TNO is moving 20.1
km/sec on the sky relative to the star, or,
4.4 arcsec/hr.
The 1-sigma error in the time of the event is 888 seconds.
The 1-sigma cross-track error in the shadow position is
1217 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 5.7 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 10370, (2017/06/01 00:57UT) Object RA Dec mag sep mel Antares 16:30:28.7 -26:28:09 0.9 28.57 95 Nunki 18:56:20.6 -26:16:25 2.0 9.44 128 PPM 234623 18:31:13.3 -18:42:59 5.5 0.33 122 PPM 234645 18:32:20.2 -18:53:47 7.1 0.47 122 PPM 234596 18:30:01.3 -18:57:01 9.0 0.09 122 10370 18:30:22.0 -18:58:44 16.4 122 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 10370, (2017/06/01 00:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 28.57 95 Nunki 18:55:15.9 -26:17:49 2.0 9.44 128 PPM 234623 18:30:11.9 -18:43:45 5.5 0.33 122 PPM 234645 18:31:18.8 -18:54:36 7.1 0.47 122 PPM 234596 18:28:59.9 -18:57:46 9.0 0.09 122 10370 18:29:20.5 -18:59:29 16.4 122 Positions are for J2000
Event circumstances last updated at 2016/12/09 18:48:58 UT
Marc W. Buie, Southwest Research Institute