Event between (612332) 02CW224 and star GA1180:02393765 with event index number of 2812523
Geocentric closest approach at 2025/04/15 16:23:27 UTC
J2000 position of star is 06:13:34.4 +29:00:02
Equinox of date position of star is 06:14:59.6 +28:59:34
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 94% illuminated.
TNO apparent brightness V=22.5
TNO is 33.3 AU from the Sun
and 33.6 AU from the Earth.
The TNO is moving 16.6
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 355 seconds.
The 1-sigma cross-track error in the shadow position is
2558 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=224.9 km assuming a 5% albedo -- 13.5 sec chord
Diameter=91.8 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 3:2E
Star training set for 612332, (2025/04/15 16:23UT) Object RA Dec mag sep mel Pollux 07:46:51.7 +27:57:47 1.1 20.14 122 Alnath 05:27:53.6 +28:37:35 1.6 10.36 152 44Kap Aur 06:16:59.4 +29:29:11 4.3 0.63 142 PPM 095567 06:12:51.2 +28:54:00 8.0 0.52 143 PPM 095617 06:14:53.1 +29:01:34 8.8 0.07 142 612332 06:15:10.8 +28:59:30 16.8 142 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 612332, (2025/04/15 16:23UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 20.14 122 Alnath 05:26:17.6 +28:36:23 1.6 10.36 152 44Kap Aur 06:15:22.6 +29:29:47 4.3 0.63 142 PPM 095567 06:11:14.8 +28:54:26 8.0 0.52 143 PPM 095617 06:13:16.6 +29:02:05 8.8 0.07 142 612332 06:13:34.4 +29:00:02 16.8 142 Positions are for J2000
Event circumstances last updated at 2022/05/04 00:22:09 UT
Marc W. Buie, Southwest Research Institute