Event between (554099) 12KU50 and star GA0660:07699380 with event index number of 2775383
Geocentric closest approach at 2029/06/12 13:30:02 UTC
J2000 position of star is 16:30:26.3 -22:55:45
Equinox of date position of star is 16:31:54.5 -22:58:50
Stellar brightness G=0.0,
use SENSEUP=2 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 163 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=21.6
Object is 33.9 AU from the Sun
and 32.9 AU from the Earth.
Apparent velocity is 23.6
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 89 seconds.
The 1-sigma cross-track error in the shadow position is
1511 km.
The object has an absolute magnitude Hv=6.3
Diameter=320.6 km assuming a 5% albedo -- 13.9 sec chord
Diameter=130.9 km assuming a 30% albedo -- 5.7 sec chord
Dynamical classification is CENTAURR
Star training set for 554099, (2029/06/12 13:30UT) Object RA Dec mag sep mel Antares 16:31:13.1 -26:29:41 0.9 3.51 163 23Tau Sco 16:37:43.3 -28:16:28 2.8 5.43 164 22 Sco 16:32:00.1 -25:10:39 4.5 2.19 163 PPM 265625 16:33:23.2 -22:51:45 8.3 0.30 163 PPM 265584 16:31:29.2 -22:54:35 10.0 0.18 163 554099 16:32:12.3 -22:59:27 0.0 163 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 554099, (2029/06/12 13:30UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 3.51 163 23Tau Sco 16:35:52.9 -28:12:58 2.8 5.43 164 22 Sco 16:30:12.5 -25:06:56 4.5 2.19 163 PPM 265625 16:31:37.3 -22:48:05 8.3 0.30 163 PPM 265584 16:29:43.3 -22:50:50 10.0 0.18 163 554099 16:30:26.3 -22:55:45 0.0 163 Positions are for J2000
Event circumstances last updated at 2024/06/27 21:00:59 UT
Marc W. Buie, Southwest Research Institute