Event between (469708) 05GE187 and star GA0840:10792565 with event index number of 1857175
Geocentric closest approach at 2028/03/27 21:03:41 UTC
J2000 position of star is 18:43:37.4 -05:28:23
Equinox of date position of star is 18:44:48.2 -05:26:58
Stellar brightness G=16.9,
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 3% illuminated.
TNO apparent brightness V=22.1
TNO is 26.7 AU from the Sun
and 26.7 AU from the Earth.
The TNO is moving 13.2
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 224 seconds.
The 1-sigma cross-track error in the shadow position is
2416 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=184.5 km assuming a 5% albedo -- 14.0 sec chord
Diameter=75.3 km assuming a 30% albedo -- 5.7 sec chord
Dynamical classification is 3:2E
Star training set for 469708, (2028/03/27 21:03UT) Object RA Dec mag sep mel Antares 16:31:08.6 -26:29:32 0.9 38.25 137 60Bet Oph 17:44:52.1 +04:33:27 2.8 18.07 115 PPM 202138 18:48:59.4 -05:40:21 4.6 0.99 102 PPM 202068 18:44:54.6 -05:39:51 7.7 0.23 103 469708 18:45:07.8 -05:26:34 16.9 103 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 469708, (2028/03/27 21:03UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 38.25 137 60Bet Oph 17:43:28.3 +04:34:06 2.8 18.07 115 PPM 202138 18:47:28.9 -05:42:19 4.6 0.99 102 PPM 202068 18:43:24.1 -05:41:40 7.7 0.23 103 469708 18:43:37.4 -05:28:23 16.9 103 Positions are for J2000
Event circumstances last updated at 2022/02/09 01:17:22 UT
Marc W. Buie, Southwest Research Institute