Event between (450265) 03WU172 and star GA1160:02689178 with event index number of 172984
Geocentric closest approach at 2018/12/29 18:10:59 UTC
J2000 position of star is 07:04:12.1 +26:55:36
Equinox of date position of star is 07:05:22.2 +26:53:51
Stellar brightness G=16.4,
use SENSEUP=128
Star is 88 degrees from the moon.
Moon is 46% illuminated.
TNO apparent brightness V=20.9
TNO is 29.2 AU from the Sun
and 28.2 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 188 seconds.
The 1-sigma cross-track error in the shadow position is
1166 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 13.8 sec chord
Diameter=135.2 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is 3:2E
Star training set for 450265, (2018/12/29 18:11UT) Object RA Dec mag sep mel Pollux 07:46:28.5 +27:58:44 1.1 9.18 79 PPM 097053 07:08:36.2 +28:08:44 6.2 1.44 87 PPM 096908 07:02:46.6 +26:32:42 8.4 0.68 88 PPM 096969 07:04:59.4 +26:48:25 9.2 0.13 88 450265 07:05:22.9 +26:53:50 16.4 88 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, (2018/12/29 18:11UT) Object RA Dec mag sep mel Pollux 07:45:18.1 +28:01:33 1.1 9.18 79 PPM 097053 07:07:24.8 +28:10:36 6.2 1.44 87 PPM 096908 07:01:36.0 +26:34:24 8.4 0.68 88 PPM 096969 07:03:48.7 +26:50:11 9.2 0.13 88 450265 07:04:12.1 +26:55:36 16.4 88 Positions are for J2000
Event circumstances last updated at 2018/10/23 20:48:17 UT
Marc W. Buie, Southwest Research Institute