Event between (471143) Dziewanna and star GA0480:07118342 with event index number of 243683
Geocentric closest approach at 2020/02/01 15:25:15 UTC
J2000 position of star is 14:19:45.2 -41:19:16
Equinox of date position of star is 14:20:58.1 -41:24:34
Stellar brightness G=15.9,
use SENSEUP=128
Star is 148 degrees from the moon.
Moon is 46% illuminated.
TNO apparent brightness V=19.6
TNO is 35.7 AU from the Sun
and 35.8 AU from the Earth.
The TNO is moving 16.9
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 194 seconds.
The 1-sigma cross-track error in the shadow position is
4206 km.
The TNO has an absolute magnitude Hv=3.9
Diameter=1000.0 km assuming a 5% albedo -- 59.3 sec chord
Diameter=408.3 km assuming a 30% albedo -- 24.2 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 471143, (2020/02/01 15:25UT) Object RA Dec mag sep mel Hadar 14:05:15.6 -60:28:08 0.6 19.21 129 5The Cen 14:07:52.3 -36:28:04 2.1 5.56 153 PPM 319325 14:15:57.6 -41:55:50 5.5 1.08 148 PPM 319399 14:20:47.8 -41:02:41 7.7 0.37 149 PPM 319433 14:22:39.3 -41:25:43 9.7 0.31 148 PPM 319384 14:19:57.0 -41:24:22 10.1 0.20 148 471143 14:21:00.6 -41:24:45 15.9 148 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 471143, (2020/02/01 15:25UT) Object RA Dec mag sep mel Hadar 14:03:49.3 -60:22:23 0.6 19.21 129 5The Cen 14:06:40.1 -36:22:22 2.1 5.56 153 PPM 319325 14:14:42.5 -41:50:15 5.5 1.08 148 PPM 319399 14:19:32.6 -40:57:11 7.7 0.37 149 PPM 319433 14:21:23.7 -41:20:15 9.7 0.31 148 PPM 319384 14:18:41.7 -41:18:52 10.1 0.20 148 471143 14:19:45.2 -41:19:16 15.9 148 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:13:26 UT
Marc W. Buie, Southwest Research Institute