Event between (10370) Hylonome and star GA0700:26335668 with event index number of 152873
Geocentric closest approach at 2018/10/24 04:01:04 UTC
J2000 position of star is 18:33:38.2 -19:12:50
Equinox of date position of star is 18:34:44.7 -19:11:54
Stellar brightness G=14.5,
use SENSEUP=128
Star is 107 degrees from the moon.
Moon is 99% 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 18.0
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 1333 seconds.
The 1-sigma cross-track error in the shadow position is
1637 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 6.4 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is CENTAURR
Star training set for 10370, (2018/10/24 04:01UT) Object RA Dec mag sep mel Antares 16:30:33.8 -26:28:20 0.9 29.44 133 Nunki 18:56:25.8 -26:16:18 2.0 8.66 101 PPM 234623 18:31:18.2 -18:42:55 5.5 0.95 107 PPM 234682 18:33:35.6 -18:57:27 7.2 0.36 107 PPM 234714 18:35:05.3 -19:27:48 9.5 0.28 106 10370 18:34:44.7 -19:11:54 14.5 106 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, (2018/10/24 04:01UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 29.44 133 Nunki 18:55:15.9 -26:17:49 2.0 8.66 101 PPM 234623 18:30:11.9 -18:43:45 5.5 0.95 107 PPM 234682 18:32:29.2 -18:58:22 7.2 0.36 107 PPM 234714 18:33:58.6 -19:28:44 9.5 0.28 106 10370 18:33:38.2 -19:12:50 14.5 106 Positions are for J2000
Event circumstances last updated at 2018/10/22 18:18:27 UT
Marc W. Buie, Southwest Research Institute