Event between (612332) 02CW224 and star GA1180:02021254 with event index number of 2812283
Geocentric closest approach at 2023/03/19 09:35:23 UTC
J2000 position of star is 05:54:33.8 +29:06:11
Equinox of date position of star is 05:55:59.1 +29:06:21
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 123 degrees from the moon.
Moon is 8% illuminated.
TNO apparent brightness V=22.6
TNO is 33.7 AU from the Sun
and 33.7 AU from the Earth.
The TNO is moving 5.4
km/sec on the sky relative to the star, or,
0.8 arcsec/hr.
The 1-sigma error in the time of the event is 649 seconds.
The 1-sigma cross-track error in the shadow position is
2839 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=224.9 km assuming a 5% albedo -- 41.6 sec chord
Diameter=91.8 km assuming a 30% albedo -- 17.0 sec chord
Dynamical classification is 3:2E
Star training set for 612332, (2023/03/19 09:35UT) Object RA Dec mag sep mel Betelgeuse 05:56:25.8 +07:24:34 0.4 21.70 119 Alnath 05:27:45.7 +28:37:29 1.6 6.21 116 PPM 095117 05:58:02.3 +28:56:38 6.5 0.47 123 PPM 095047 05:55:21.9 +28:57:34 8.9 0.21 122 PPM 095049 05:55:24.7 +29:10:15 10.8 0.15 122 612332 05:56:02.4 +29:06:21 16.8 123 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, (2023/03/19 09:35UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 21.70 119 Alnath 05:26:17.6 +28:36:23 1.6 6.21 116 PPM 095117 05:56:33.8 +28:56:32 6.5 0.47 123 PPM 095047 05:53:53.4 +28:57:23 8.9 0.21 122 PPM 095049 05:53:56.0 +29:10:05 10.8 0.15 122 612332 05:54:33.8 +29:06:11 16.8 123 Positions are for J2000
Event circumstances last updated at 2022/05/03 01:02:21 UT
Marc W. Buie, Southwest Research Institute