Event between 10WM75 and star GA0960:00932338 with event index number of 1567579
Geocentric closest approach at 2021/03/03 11:03:53 UTC
J2000 position of star is 05:45:41.4 +07:03:08
Equinox of date position of star is 05:46:49.6 +07:03:33
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 131 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=22.5
TNO is 43.4 AU from the Sun
and 43.2 AU from the Earth.
The TNO is moving 7.4
km/sec on the sky relative to the star, or,
0.9 arcsec/hr.
The 1-sigma error in the time of the event is 580 seconds.
The 1-sigma cross-track error in the shadow position is
3769 km.
The TNO has an absolute magnitude Hv=6.0
Diameter=380.2 km assuming a 5% albedo -- 51.3 sec chord
Diameter=155.2 km assuming a 30% albedo -- 21.0 sec chord
Dynamical classification is SCATEXTD
Star training set for 10WM75, (2021/03/03 11:04UT) Object RA Dec mag sep mel Betelgeuse 05:56:19.1 +07:24:33 0.4 2.38 129 Bellatrix 05:26:16.1 +06:22:02 1.6 5.15 136 52 Ori 05:49:08.4 +06:27:36 5.5 0.83 131 PPM 149377 05:45:08.0 +06:55:24 8.2 0.44 132 PPM 149407 05:46:32.8 +06:52:01 9.5 0.20 131 10WM75 05:46:50.0 +07:03:34 16.4 131 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 10WM75, (2021/03/03 11:04UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 2.38 129 Bellatrix 05:25:07.8 +06:20:58 1.6 5.15 136 52 Ori 05:48:00.2 +06:27:15 5.5 0.83 131 PPM 149377 05:43:59.4 +06:54:55 8.2 0.44 132 PPM 149407 05:45:24.3 +06:51:36 9.5 0.20 131 10WM75 05:45:41.4 +07:03:08 16.4 131 Positions are for J2000
Event circumstances last updated at 2021/01/18 22:04:37 UT
Marc W. Buie, Southwest Research Institute