Event between (576212) 12HL85 and star GA0660:06850545 with event index number of 2825598
Geocentric closest approach at 2029/09/11 00:24:22 UTC
J2000 position of star is 15:37:26.5 -22:45:03
Equinox of date position of star is 15:38:47.6 -22:49:30
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 33 degrees from the moon.
Moon is 10% illuminated.
Apparent brightness V=22.9
Object is 40.9 AU from the Sun
and 41.2 AU from the Earth.
Apparent velocity is 15.4
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 365 seconds.
The 1-sigma cross-track error in the shadow position is
3473 km.
The object has an absolute magnitude Hv=6.6
Diameter=302.0 km assuming a 5% albedo -- 18.8 sec chord
Diameter=123.3 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 576212, (2029/09/11 00:24UT) Object RA Dec mag sep mel Antares 16:31:14.0 -26:29:43 0.9 12.37 45 7Del Sco 16:02:05.7 -22:42:13 2.3 5.28 38 PPM 264469 15:39:33.2 -23:14:16 5.8 0.40 33 PPM 264491 15:40:29.7 -23:08:40 7.1 0.42 33 PPM 264457 15:38:57.7 -23:00:15 9.3 0.17 33 576212 15:39:11.4 -22:50:48 14.1 33 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 576212, (2029/09/11 00:24UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.37 45 7Del Sco 16:00:20.0 -22:37:19 2.3 5.28 38 PPM 264469 15:37:48.0 -23:08:32 5.8 0.40 33 PPM 264491 15:38:44.6 -23:02:58 7.1 0.42 33 PPM 264457 15:37:12.7 -22:54:30 9.3 0.17 33 576212 15:37:26.5 -22:45:03 14.1 33 Positions are for J2000
Event circumstances last updated at 2022/12/16 04:00:53 UT
Marc W. Buie, Southwest Research Institute