Event between (471143) Dziewanna and star GA0400:13331338 with event index number of 2266589
Geocentric closest approach at 2027/09/18 00:43:27 UTC
J2000 position of star is 15:22:39.7 -48:04:53
Equinox of date position of star is 15:24:23.3 -48:10:02
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 133 degrees from the moon.
Moon is 96% illuminated.
Apparent brightness V=19.6
Object is 33.7 AU from the Sun
and 34.0 AU from the Earth.
Apparent velocity is 22.0
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 151 seconds.
The 1-sigma cross-track error in the shadow position is
1986 km.
The object has an absolute magnitude Hv=4.1
Diameter=933.3 km assuming a 5% albedo -- 42.5 sec chord
Diameter=381.0 km assuming a 30% albedo -- 17.4 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 471143, (2027/09/18 00:48UT) Object RA Dec mag sep mel PPM 360911 14:41:33.2 -60:56:57 0.0 14.17 128 Eps Lup 15:24:34.5 -44:47:13 2.8 3.39 135 Nu 1Lup 15:24:05.0 -48:01:35 5.0 0.18 133 PPM 320483 15:22:46.4 -48:08:52 8.2 0.31 134 PPM 320529 15:25:31.1 -48:06:57 9.7 0.16 133 471143 15:24:37.0 -48:10:43 16.9 133 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, (2027/09/18 00:48UT) Object RA Dec mag sep mel PPM 360911 14:39:25.2 -60:49:52 0.0 14.17 128 Eps Lup 15:22:40.8 -44:41:23 2.8 3.39 135 Nu 1Lup 15:22:08.0 -47:55:43 5.0 0.18 133 PPM 320483 15:20:49.4 -48:02:59 8.2 0.31 134 PPM 320529 15:23:33.7 -48:01:08 9.7 0.16 133 471143 15:22:39.7 -48:04:53 16.9 133 Positions are for J2000
Event circumstances last updated at 2024/06/22 21:28:33 UT
Marc W. Buie, Southwest Research Institute