Event between (363401) 03LB7 and star UC4-334-084544 with event index number of 65386
Geocentric closest approach at 2017/04/28 22:24:45 UTC
J2000 position of star is 16:47:18.1 -23:18:27
Equinox of date position of star is 16:48:20.7 -23:20:15
Stellar brightness R=14.4,
use SENSEUP=128
Star is 174 degrees from the moon.
Moon is 9% illuminated.
TNO apparent brightness V=22.9
TNO is 41.1 AU from the Sun
and 40.3 AU from the Earth.
The TNO is moving 19.2
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 771 seconds.
The 1-sigma cross-track error in the shadow position is
2892 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 14.3 sec chord
Diameter=112.4 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 363401, (2017/04/28 22:25UT) Object RA Dec mag sep mel Antares 16:30:28.3 -26:28:08 0.9 5.12 170 23Tau Sco 16:36:57.8 -28:15:02 2.8 5.54 169 PPM 266088 16:54:26.7 -20:26:35 5.7 3.22 177 PPM 265974 16:48:49.6 -24:00:15 8.1 0.68 173 PPM 265964 16:48:35.4 -23:13:26 9.4 0.13 174 363401 16:48:20.9 -23:20:15 14.4 174 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 363401, (2017/04/28 22:25UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 5.12 170 23Tau Sco 16:35:53.0 -28:12:58 2.8 5.54 169 PPM 266088 16:53:25.2 -20:24:57 5.7 3.22 177 PPM 265974 16:47:46.5 -23:58:28 8.1 0.68 173 PPM 265964 16:47:32.7 -23:11:39 9.4 0.13 174 363401 16:47:18.1 -23:18:27 14.4 174 Positions are for J2000
Event circumstances last updated at 2017/04/07 16:38:12 UT
Marc W. Buie, Southwest Research Institute