Event between (523764) 14WC510 and star GA0920:01421606 with event index number of 2612835
Geocentric closest approach at 2022/03/21 20:53:40 UTC
J2000 position of star is 06:26:40.0 +03:44:14
Equinox of date position of star is 06:27:49.4 +03:43:22
Stellar brightness G=14.6,
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 85% illuminated.
TNO apparent brightness V=22.2
TNO is 30.1 AU from the Sun
and 29.9 AU from the Earth.
The TNO is moving 9.9
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 115 seconds.
The 1-sigma cross-track error in the shadow position is
1446 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 22.0 sec chord
Diameter=89.3 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523764, (2022/03/21 20:53UT) Object RA Dec mag sep mel Betelgeuse 05:56:22.5 +07:24:34 0.4 8.65 136 Alhena 06:38:59.7 +16:22:42 1.9 12.95 128 PPM 150401 06:24:28.8 +03:45:05 6.0 0.84 128 PPM 150511 06:27:50.9 +03:24:35 8.5 0.31 127 PPM 150509 06:27:48.1 +03:35:37 8.7 0.13 127 523764 06:27:50.3 +03:43:21 14.6 127 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 523764, (2022/03/21 20:53UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.65 136 Alhena 06:37:42.8 +16:23:57 1.9 12.95 128 PPM 150401 06:23:18.5 +03:45:52 6.0 0.84 128 PPM 150511 06:26:40.8 +03:25:28 8.5 0.31 127 PPM 150509 06:26:37.9 +03:36:30 8.7 0.13 127 523764 06:26:40.0 +03:44:14 14.6 127 Positions are for J2000
Event circumstances last updated at 2021/12/18 01:46:22 UT
Marc W. Buie, Southwest Research Institute