Event between (10370) Hylonome and star GA0700:26415055 with event index number of 152877
Geocentric closest approach at 2018/10/26 14:57:09 UTC
J2000 position of star is 18:33:53.9 -19:13:00
Equinox of date position of star is 18:35:00.4 -19:12:04
Stellar brightness G=16.0,
use SENSEUP=128
Star is 139 degrees from the moon.
Moon is 96% illuminated.
TNO apparent brightness V=22.7
TNO is 24.1 AU from the Sun
and 24.5 AU from the Earth.
The TNO is moving 19.2
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 1256 seconds.
The 1-sigma cross-track error in the shadow position is
2022 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 6.0 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 10370, (2018/10/26 14:57UT) Object RA Dec mag sep mel Antares 16:30:33.9 -26:28:20 0.9 29.50 165 Nunki 18:56:25.8 -26:16:18 2.0 8.62 134 PPM 234652 18:32:32.4 -18:23:18 5.0 1.00 140 PPM 234753 18:36:30.3 -19:15:08 7.0 0.36 139 PPM 234737 18:35:54.1 -19:16:00 9.3 0.22 139 10370 18:35:00.4 -19:12:04 16.0 139 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 10370, (2018/10/26 14:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 29.50 165 Nunki 18:55:15.9 -26:17:49 2.0 8.62 134 PPM 234652 18:31:26.3 -18:24:10 5.0 1.00 140 PPM 234753 18:35:23.8 -19:16:07 7.0 0.36 139 PPM 234737 18:34:47.6 -19:16:58 9.3 0.22 139 10370 18:33:53.9 -19:13:00 16.0 139 Positions are for J2000
Event circumstances last updated at 2018/10/22 18:18:45 UT
Marc W. Buie, Southwest Research Institute