Event between (576256) 12JH67 and star GA0620:08137532 with event index number of 2751717
Geocentric closest approach at 2029/04/25 14:02:38 UTC
J2000 position of star is 16:05:44.8 -27:40:59
Equinox of date position of star is 16:07:06.6 -27:44:30
Stellar brightness G=13.0,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 88% illuminated.
TNO apparent brightness V=22.4
TNO is 49.1 AU from the Sun
and 48.2 AU from the Earth.
The TNO is moving 21.6
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 638 seconds.
The 1-sigma cross-track error in the shadow position is
3213 km.
The TNO has an absolute magnitude Hv=5.5
Diameter=476.4 km assuming a 5% albedo -- 22.1 sec chord
Diameter=194.5 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is 2:1E
Star training set for 576256, (2029/04/25 14:03UT) Object RA Dec mag sep mel Antares 16:31:12.6 -26:29:40 0.9 5.41 74 7Del Sco 16:02:04.3 -22:42:10 2.3 5.21 67 PPM 265162 16:09:55.1 -26:24:10 4.8 1.46 70 PPM 265161 16:09:55.6 -27:48:23 7.4 0.53 70 PPM 265120 16:08:17.5 -27:47:09 9.7 0.17 69 576256 16:07:33.0 -27:45:38 13.0 70 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 576256, (2029/04/25 14:03UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.41 74 7Del Sco 16:00:20.0 -22:37:19 2.3 5.21 67 PPM 265162 16:08:07.8 -26:19:36 4.8 1.46 70 PPM 265161 16:08:07.2 -27:43:49 7.4 0.53 70 PPM 265120 16:06:29.2 -27:42:32 9.7 0.17 69 576256 16:05:44.8 -27:40:59 13.0 69 Positions are for J2000
Event circumstances last updated at 2022/02/27 02:25:39 UT
Marc W. Buie, Southwest Research Institute