Event between (471143) Dziewanna and star GA0400:15775981 with event index number of 2266824
Geocentric closest approach at 2028/03/08 19:24:02 UTC
J2000 position of star is 15:46:46.9 -49:49:20
Equinox of date position of star is 15:48:34.7 -49:53:47
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 93% illuminated.
Apparent brightness V=19.5
Object is 33.6 AU from the Sun
and 33.4 AU from the Earth.
Apparent velocity is 14.8
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 211 seconds.
The 1-sigma cross-track error in the shadow position is
4686 km.
The object has an absolute magnitude Hv=4.1
Diameter=933.3 km assuming a 5% albedo -- 62.9 sec chord
Diameter=381.0 km assuming a 30% albedo -- 25.7 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 471143, (2028/03/08 19:22UT) Object RA Dec mag sep mel PPM 360911 14:41:34.1 -60:57:02 0.0 14.51 98 Eps Lup 15:24:36.5 -44:47:19 2.8 6.56 101 PPM 320910 15:44:40.5 -49:34:39 6.0 0.75 105 PPM 344128 15:46:14.7 -50:18:11 6.9 0.58 105 PPM 320968 15:47:23.5 -49:53:45 9.3 0.24 106 471143 15:48:51.0 -49:54:28 16.7 106 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, (2028/03/08 19:22UT) Object RA Dec mag sep mel PPM 360911 14:39:23.8 -60:49:51 0.0 14.51 98 Eps Lup 15:22:40.8 -44:41:23 2.8 6.56 101 PPM 320910 15:42:37.2 -49:29:23 6.0 0.75 105 PPM 344128 15:44:10.3 -50:12:57 6.9 0.58 105 PPM 320968 15:45:19.6 -49:48:34 9.3 0.24 106 471143 15:46:46.9 -49:49:20 16.7 106 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:29:30 UT
Marc W. Buie, Southwest Research Institute