Event between (450265) 03WU172 and star GA1160:02773234 with event index number of 234417
Geocentric closest approach at 2019/12/21 14:26:59 UTC
J2000 position of star is 07:16:56.7 +26:33:28
Equinox of date position of star is 07:18:08.7 +26:31:19
Stellar brightness G=16.7,
use SENSEUP=128
Star is 103 degrees from the moon.
Moon is 24% illuminated.
TNO apparent brightness V=20.8
TNO is 29.2 AU from the Sun
and 28.2 AU from the Earth.
The TNO is moving 22.7
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 176 seconds.
The 1-sigma cross-track error in the shadow position is
1516 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=331.1 km assuming a 5% albedo -- 16.0 sec chord
Diameter=135.2 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is 3:2E
Star training set for 450265, (2019/12/21 14:27UT) Object RA Dec mag sep mel Pollux 07:46:32.1 +27:58:35 1.1 6.47 97 59 Gem 07:25:47.8 +27:35:51 6.0 2.01 102 PPM 097300 07:18:17.6 +26:39:06 7.3 0.13 103 PPM 097303 07:18:28.0 +26:30:43 11.3 0.06 103 450265 07:18:10.7 +26:31:15 16.7 103 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, (2019/12/21 14:27UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 6.47 97 59 Gem 07:24:33.4 +27:38:16 6.0 2.01 102 PPM 097300 07:17:03.5 +26:41:19 7.3 0.13 103 PPM 097303 07:17:14.0 +26:32:56 11.3 0.06 103 450265 07:16:56.7 +26:33:28 16.7 103 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:03:06 UT
Marc W. Buie, Southwest Research Institute