Event between (386968) 12BR61 and star GA0640:41932595 with event index number of 2752639
Geocentric closest approach at 2029/05/21 19:19:54 UTC
J2000 position of star is 18:58:16.4 -24:50:28
Equinox of date position of star is 18:59:45.3 -24:48:24
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 124 degrees from the moon.
Moon is 57% illuminated.
Apparent brightness V=22.0
Object is 18.2 AU from the Sun
and 17.5 AU from the Earth.
Apparent velocity is 14.8
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 108 seconds.
The 1-sigma cross-track error in the shadow position is
753 km.
The object has an absolute magnitude Hv=9.3
Diameter=82.8 km assuming a 5% albedo -- 5.6 sec chord
Diameter=33.8 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 386968, (2029/05/21 19:21UT) Object RA Dec mag sep mel Antares 16:31:12.9 -26:29:40 0.9 33.47 90 Nunki 18:57:05.1 -26:15:27 2.0 1.61 123 PPM 269192 19:02:12.9 -24:53:55 6.2 0.50 124 PPM 269146 19:00:08.5 -24:50:06 7.0 0.04 124 386968 19:00:04.4 -24:47:57 0.0 124 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 386968, (2029/05/21 19:21UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 33.47 90 Nunki 18:55:15.9 -26:17:49 2.0 1.61 123 PPM 269192 19:00:25.0 -24:56:31 6.2 0.50 124 PPM 269146 18:58:20.5 -24:52:37 7.0 0.04 124 386968 18:58:16.4 -24:50:28 0.0 124 Positions are for J2000
Event circumstances last updated at 2024/03/08 03:30:26 UT
Marc W. Buie, Southwest Research Institute