Event between (129746) 99CE119 and star GA0700:06317303 with event index number of 2143279
Geocentric closest approach at 2028/07/22 23:36:46 UTC
J2000 position of star is 16:18:00.8 -19:53:21
Equinox of date position of star is 16:19:25.9 -19:56:49
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 114 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=23.4
Object is 30.4 AU from the Sun
and 29.7 AU from the Earth.
Apparent velocity is 11.1
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 378 seconds.
The 1-sigma cross-track error in the shadow position is
1436 km.
The object has an absolute magnitude Hv=8.4
Diameter=128.2 km assuming a 5% albedo -- 11.5 sec chord
Diameter=52.4 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is 3:2E
Star training set for 129746, (2028/07/22 23:37UT) Object RA Dec mag sep mel Antares 16:31:09.8 -26:29:34 0.9 7.05 117 8Bet1Sco 16:07:06.2 -19:52:52 2.6 2.96 111 PPM 265352 16:18:39.6 -20:10:22 6.5 0.32 113 PPM 231493 16:20:16.7 -19:51:07 8.8 0.17 114 129746 16:19:41.1 -19:57:26 15.7 114 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, (2028/07/22 23:37UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.05 117 8Bet1Sco 16:05:26.2 -19:48:20 2.6 2.96 111 PPM 265352 16:16:59.2 -20:06:15 6.5 0.32 113 PPM 231493 16:18:36.5 -19:47:04 8.8 0.17 114 129746 16:18:00.8 -19:53:21 15.7 114 Positions are for J2000
Event circumstances last updated at 2024/03/21 22:35:41 UT
Marc W. Buie, Southwest Research Institute