Event between 03TL58 and star UC4-557-024304 with event index number of 89277
Geocentric closest approach at 2017/11/07 02:14:19 UTC
J2000 position of star is 06:10:31.3 +21:12:16
Equinox of date position of star is 06:11:29.5 +21:12:00
Stellar brightness R=16.2
Star is 8 degrees from the moon.
Moon is 88% illuminated.
TNO apparent brightness V=23.5
TNO is 41.8 AU from the Sun
and 41.1 AU from the Earth.
The TNO is moving 15.9
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 647 seconds.
The 1-sigma cross-track error in the shadow position is
3247 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=219.8 km assuming a 5% albedo -- 13.8 sec chord
Diameter=89.7 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 03TL58, (2017/11/07 02:14UT) Object RA Dec mag sep mel Betelgeuse 05:56:08.3 +07:24:32 0.4 14.29 13 Alhena 06:38:44.6 +16:22:57 1.9 8.03 15 7Eta Gem 06:15:57.4 +22:30:00 4.5 1.65 9 PPM 095533 06:11:10.7 +21:13:51 8.5 0.10 8 03TL58 06:11:35.4 +21:11:59 16.2 8 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.
Event circumstances last updated at 2016/03/13 18:17:55 UT
Marc W. Buie, Southwest Research Institute