Event between (471172) 10JC80 and star GA0640:26482676 with event index number of 2718915
Geocentric closest approach at 2029/03/21 00:46:34 UTC
J2000 position of star is 18:07:53.2 -25:23:53
Equinox of date position of star is 18:09:24.0 -25:23:34
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 153 degrees from the moon.
Moon is 28% illuminated.
Apparent brightness V=21.3
Object is 31.5 AU from the Sun
and 31.5 AU from the Earth.
Apparent velocity is 7.7
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 972 seconds.
The 1-sigma cross-track error in the shadow position is
1633 km.
The object has an absolute magnitude Hv=6.1
Diameter=358.1 km assuming a 5% albedo -- 46.7 sec chord
Diameter=146.2 km assuming a 30% albedo -- 19.1 sec chord
Dynamical classification is 5:2EEE
Star training set for 471172, (2029/03/21 00:47UT) Object RA Dec mag sep mel Antares 16:31:12.2 -26:29:39 0.9 22.13 175 Nunki 18:57:04.5 -26:15:27 2.0 10.69 142 11 Sgr 18:13:30.4 -23:41:33 4.5 1.91 152 PPM 267934 18:10:42.5 -25:27:58 7.5 0.24 153 PPM 267911 18:09:49.8 -25:26:37 9.6 0.06 153 471172 18:09:41.5 -25:23:31 16.3 152 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 471172, (2029/03/21 00:47UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.13 175 Nunki 18:55:15.9 -26:17:49 2.0 10.69 142 11 Sgr 18:11:43.4 -23:42:05 4.5 1.91 152 PPM 267934 18:08:54.1 -25:28:23 7.5 0.24 153 PPM 267911 18:08:01.4 -25:27:00 9.6 0.06 153 471172 18:07:53.2 -25:23:53 16.3 153 Positions are for J2000
Event circumstances last updated at 2024/06/26 21:34:20 UT
Marc W. Buie, Southwest Research Institute