Event between (450265) 03WU172 and star UC4-587-033726 with event index number of 125133
Geocentric closest approach at 2018/03/09 19:26:24 UTC
J2000 position of star is 06:45:51.9 +27:13:57
Equinox of date position of star is 06:46:59.1 +27:12:45
Stellar brightness R=13.8,
use SENSEUP=64
Star is 161 degrees from the moon.
Moon is 47% illuminated.
TNO apparent brightness V=21.1
TNO is 29.2 AU from the Sun
and 28.9 AU from the Earth.
The TNO is moving 5.6
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 633 seconds.
The 1-sigma cross-track error in the shadow position is
1157 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 59.6 sec chord
Diameter=135.2 km assuming a 30% albedo -- 24.3 sec chord
Dynamical classification is 3:2E
Star training set for 450265, (2018/03/09 19:26UT) Object RA Dec mag sep mel Pollux 07:46:25.6 +27:58:51 1.1 13.18 148 Alhena 06:38:45.7 +16:22:56 1.9 11.00 164 54 Aur 06:40:41.9 +28:14:43 5.8 1.74 162 PPM 096498 06:46:43.5 +27:39:10 8.0 0.44 161 PPM 096538 06:48:24.3 +27:06:11 9.5 0.33 161 PPM 096521 06:47:43.3 +27:29:01 10.6 0.32 161 450265 06:47:00.1 +27:12:44 13.8 161 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 450265, (2018/03/09 19:26UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 13.18 148 Alhena 06:37:42.8 +16:23:57 1.9 11.00 164 54 Aur 06:39:33.1 +28:15:47 5.8 1.74 162 PPM 096498 06:45:35.1 +27:40:23 8.0 0.44 161 PPM 096538 06:47:16.2 +27:07:26 9.5 0.33 161 PPM 096521 06:46:35.0 +27:30:16 10.6 0.32 161 450265 06:45:51.9 +27:13:57 13.8 161 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:20:02 UT
Marc W. Buie, Southwest Research Institute