Event between (471143) Dziewanna and star GA0420:11181927 with event index number of 2265920
Geocentric closest approach at 2025/05/23 08:56:12 UTC
J2000 position of star is 15:01:19.4 -47:23:42
Equinox of date position of star is 15:03:00.0 -47:29:25
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 20% illuminated.
Apparent brightness V=19.5
Object is 34.2 AU from the Sun
and 33.3 AU from the Earth.
Apparent velocity is 23.3
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 109 seconds.
The 1-sigma cross-track error in the shadow position is
1910 km.
The object has an absolute magnitude Hv=4.1
Diameter=933.3 km assuming a 5% albedo -- 40.1 sec chord
Diameter=381.0 km assuming a 30% albedo -- 16.4 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 471143, (2025/05/23 08:53UT) Object RA Dec mag sep mel PPM 360911 14:41:22.5 -60:56:22 0.0 13.80 119 Alp Lup 14:43:37.9 -47:29:44 2.3 3.28 130 Pi Lup 15:06:51.7 -47:08:56 3.4 0.73 127 PPM 320156 15:03:41.2 -47:15:08 7.6 0.26 127 PPM 320141 15:02:50.4 -47:17:32 9.8 0.21 127 471143 15:03:03.9 -47:29:39 15.1 127 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, (2025/05/23 08:53UT) Object RA Dec mag sep mel PPM 360911 14:39:25.2 -60:49:52 0.0 13.80 119 Alp Lup 14:41:55.7 -47:23:18 2.3 3.28 130 Pi Lup 15:05:07.1 -47:03:05 3.4 0.73 127 PPM 320156 15:01:56.9 -47:09:12 7.6 0.26 127 PPM 320141 15:01:06.2 -47:11:36 9.8 0.21 127 471143 15:01:19.4 -47:23:42 15.1 127 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:50:53 UT
Marc W. Buie, Southwest Research Institute