Event between (576257) 12JD68 and star GA0960:07705945 with event index number of 2819003
Geocentric closest approach at 2029/08/10 20:55:58 UTC
J2000 position of star is 18:28:48.7 +06:32:41
Equinox of date position of star is 18:29:55.8 +06:33:40
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 126 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=22.8
Object is 28.3 AU from the Sun
and 27.6 AU from the Earth.
Apparent velocity is 18.7
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 402 seconds.
The 1-sigma cross-track error in the shadow position is
3818 km.
The object has an absolute magnitude Hv=8.2
Diameter=138.0 km assuming a 5% albedo -- 7.5 sec chord
Diameter=56.4 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 576257, (2029/08/10 20:56UT) Object RA Dec mag sep mel Vega 18:37:56.4 +38:48:44 0.0 32.29 114 60Bet Oph 17:44:56.2 +04:33:25 2.8 11.45 115 PPM 165790 18:27:04.3 +08:03:03 5.6 1.68 125 PPM 165944 18:30:53.6 +07:22:54 8.2 0.83 126 PPM 165903 18:29:49.6 +06:26:06 8.8 0.17 126 576257 18:30:15.2 +06:33:57 15.8 126 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 576257, (2029/08/10 20:56UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:08 0.0 32.29 114 60Bet Oph 17:43:28.3 +04:34:06 2.8 11.45 115 PPM 165790 18:25:38.8 +08:01:55 5.6 1.68 125 PPM 165944 18:29:27.6 +07:21:36 8.2 0.83 126 PPM 165903 18:28:22.9 +06:24:51 8.8 0.17 126 576257 18:28:48.7 +06:32:41 15.8 126 Positions are for J2000
Event circumstances last updated at 2022/12/16 01:22:28 UT
Marc W. Buie, Southwest Research Institute