Event between (471143) Dziewanna and star GA0480:06981110 with event index number of 183447
Geocentric closest approach at 2019/03/13 19:46:07 UTC
J2000 position of star is 14:09:43.4 -40:35:39
Equinox of date position of star is 14:10:54.0 -40:41:02
Stellar brightness G=16.3,
use SENSEUP=128
Star is 138 degrees from the moon.
Moon is 44% illuminated.
TNO apparent brightness V=19.6
TNO is 36.0 AU from the Sun
and 35.5 AU from the Earth.
The TNO is moving 17.2
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 171 seconds.
The 1-sigma cross-track error in the shadow position is
2524 km.
The TNO has an absolute magnitude Hv=3.9
Diameter=1000.0 km assuming a 5% albedo -- 58.1 sec chord
Diameter=408.3 km assuming a 30% albedo -- 23.7 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 471143, (2019/03/13 19:46UT) Object RA Dec mag sep mel Hadar 14:05:11.7 -60:27:53 0.6 19.80 129 5The Cen 14:07:49.1 -36:27:49 2.1 4.26 139 Chi Cen 14:07:13.5 -41:16:17 4.5 0.91 138 PPM 319201 14:08:44.1 -40:44:31 7.8 0.42 138 PPM 319238 14:10:34.4 -40:42:24 9.3 0.07 138 471143 14:10:54.3 -40:41:03 16.3 139 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, (2019/03/13 19:46UT) Object RA Dec mag sep mel Hadar 14:03:49.3 -60:22:23 0.6 19.80 129 5The Cen 14:06:40.1 -36:22:22 2.1 4.26 139 Chi Cen 14:06:02.7 -41:10:49 4.5 0.91 138 PPM 319201 14:07:33.3 -40:39:05 7.8 0.42 138 PPM 319238 14:09:23.6 -40:37:00 9.3 0.07 138 471143 14:09:43.4 -40:35:39 16.3 138 Positions are for J2000
Event circumstances last updated at 2019/02/12 06:44:15 UT
Marc W. Buie, Southwest Research Institute