Event between (576162) 12GT41 and star GA0840:16675952 with event index number of 2522359
Geocentric closest approach at 2025/05/06 12:52:44 UTC
J2000 position of star is 19:14:13.6 -04:15:00
Equinox of date position of star is 19:15:25.9 -04:12:34
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 128 degrees from the moon.
Moon is 69% illuminated.
TNO apparent brightness V=22.2
TNO is 17.6 AU from the Sun
and 17.1 AU from the Earth.
The TNO is moving 7.3
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 272 seconds.
The 1-sigma cross-track error in the shadow position is
1885 km.
The TNO has an absolute magnitude Hv=9.5
Diameter=73.8 km assuming a 5% albedo -- 10.1 sec chord
Diameter=30.1 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is CENTAURR
Star training set for 576162, (2025/05/06 12:57UT) Object RA Dec mag sep mel Antares 16:30:57.9 -26:29:10 0.9 45.18 91 Tarazed 19:47:27.9 +10:40:36 2.7 16.87 131 26 Aql 19:21:54.0 -05:21:59 5.0 1.96 129 PPM 202657 19:14:26.9 -03:56:31 7.9 0.38 127 PPM 202667 19:14:58.3 -04:22:25 9.6 0.22 128 576162 19:15:33.9 -04:12:17 16.0 128 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 576162, (2025/05/06 12:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 45.18 91 Tarazed 19:46:15.6 +10:36:48 2.7 16.87 131 26 Aql 19:20:33.1 -05:24:56 5.0 1.96 129 PPM 202657 19:13:06.8 -03:59:12 7.9 0.38 127 PPM 202667 19:13:37.9 -04:25:07 9.6 0.22 128 576162 19:14:13.6 -04:15:00 16.0 128 Positions are for J2000
Event circumstances last updated at 2022/10/25 03:42:16 UT
Marc W. Buie, Southwest Research Institute