Event between (558095) 14WA536 and star GA0660:05498311 with event index number of 2734488
Geocentric closest approach at 2029/03/11 13:40:14 UTC
J2000 position of star is 10:40:35.2 -22:01:25
Equinox of date position of star is 10:41:45.5 -22:09:03
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon.
Moon is 12% illuminated.
Apparent brightness V=22.0
Object is 30.5 AU from the Sun
and 29.7 AU from the Earth.
Apparent velocity is 23.5
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 120 seconds.
The 1-sigma cross-track error in the shadow position is
1992 km.
The object has an absolute magnitude Hv=7.1
Diameter=222.9 km assuming a 5% albedo -- 9.7 sec chord
Diameter=91.0 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 5:2EEE
Star training set for 558095, (2029/03/11 13:44UT) Object RA Dec mag sep mel Regulus 10:09:55.5 +11:49:24 1.3 34.90 161 Alphard 09:29:01.3 -08:47:12 2.0 22.06 155 PPM 257864 10:36:21.3 -23:19:39 6.2 1.74 134 PPM 257968 10:41:06.7 -22:41:00 7.1 0.55 134 PPM 257987 10:42:07.8 -22:16:29 9.4 0.10 134 558095 10:41:59.7 -22:10:36 16.6 134 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 558095, (2029/03/11 13:44UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 34.90 161 Alphard 09:27:35.2 -08:39:30 2.0 22.06 155 PPM 257864 10:34:57.6 -23:10:33 6.2 1.74 134 PPM 257968 10:39:42.5 -22:31:50 7.1 0.55 134 PPM 257987 10:40:43.3 -22:07:18 9.4 0.10 134 558095 10:40:35.2 -22:01:25 16.6 134 Positions are for J2000
Event circumstances last updated at 2024/04/19 00:48:02 UT
Marc W. Buie, Southwest Research Institute