Event between (471143) Dziewanna and star GA0500:06954053 with event index number of 208424
Geocentric closest approach at 2019/08/23 02:34:07 UTC
J2000 position of star is 14:01:05.1 -39:29:59
Equinox of date position of star is 14:02:15.7 -39:35:35
Stellar brightness G=17.2,
use SENSEUP=128
Star is 149 degrees from the moon.
Moon is 55% illuminated.
TNO apparent brightness V=19.6
TNO is 35.9 AU from the Sun
and 36.1 AU from the Earth.
The TNO is moving 17.9
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 216 seconds.
The 1-sigma cross-track error in the shadow position is
3355 km.
The TNO has an absolute magnitude Hv=3.9
Diameter=1000.0 km assuming a 5% albedo -- 55.9 sec chord
Diameter=408.3 km assuming a 30% albedo -- 22.8 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 471143, (2019/08/23 02:34UT) Object RA Dec mag sep mel Hadar 14:05:13.6 -60:28:00 0.6 20.88 132 5The Cen 14:07:50.7 -36:27:57 2.1 3.31 152 PPM 319095 14:02:30.7 -40:18:58 5.8 0.72 148 PPM 292120 14:02:57.1 -39:31:58 7.8 0.14 149 471143 14:02:16.5 -39:35:38 17.2 149 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, (2019/08/23 02:34UT) Object RA Dec mag sep mel Hadar 14:03:49.3 -60:22:23 0.6 20.88 132 5The Cen 14:06:40.1 -36:22:22 2.1 3.31 152 PPM 319095 14:01:19.0 -40:13:19 5.8 0.72 148 PPM 292120 14:01:45.7 -39:26:20 7.8 0.14 149 471143 14:01:05.1 -39:29:59 17.2 149 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:35:14 UT
Marc W. Buie, Southwest Research Institute