Event between (129746) 99CE119 and star GA0700:06212664 with event index number of 2143250
Geocentric closest approach at 2027/09/27 00:35:50 UTC
J2000 position of star is 16:09:22.5 -19:35:11
Equinox of date position of star is 16:10:47.3 -19:38:55
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 103 degrees from the moon.
Moon is 13% illuminated.
Apparent brightness V=23.4
Object is 30.2 AU from the Sun
and 30.7 AU from the Earth.
Apparent velocity is 20.9
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 165 seconds.
The 1-sigma cross-track error in the shadow position is
1797 km.
The object has an absolute magnitude Hv=8.4
Diameter=128.2 km assuming a 5% albedo -- 6.1 sec chord
Diameter=52.4 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is 3:2E
Star training set for 129746, (2027/09/27 00:36UT) Object RA Dec mag sep mel Antares 16:31:06.8 -26:29:28 0.9 8.25 108 8Bet1Sco 16:07:03.3 -19:52:45 2.6 0.95 102 PPM 231334 16:13:35.6 -19:31:11 6.2 0.63 103 PPM 231287 16:10:57.8 -19:31:43 8.4 0.13 103 PPM 231290 16:11:00.6 -19:46:01 9.6 0.11 103 129746 16:10:59.6 -19:39:28 16.0 103 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 129746, (2027/09/27 00:36UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 8.25 108 8Bet1Sco 16:05:26.2 -19:48:20 2.6 0.95 102 PPM 231334 16:11:58.6 -19:27:01 6.2 0.63 103 PPM 231287 16:09:20.9 -19:27:26 8.4 0.13 103 PPM 231290 16:09:23.5 -19:41:45 9.6 0.11 103 129746 16:09:22.5 -19:35:11 16.0 103 Positions are for J2000
Event circumstances last updated at 2024/03/21 22:32:42 UT
Marc W. Buie, Southwest Research Institute