Event between (535023) 14WO509 and star GA0960:03717840 with event index number of 2338640
Geocentric closest approach at 2022/04/07 19:30:38 UTC
J2000 position of star is 11:23:45.8 +07:32:08
Equinox of date position of star is 11:24:54.7 +07:24:48
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 36% illuminated.
TNO apparent brightness V=22.4
TNO is 40.0 AU from the Sun
and 39.1 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 323 seconds.
The 1-sigma cross-track error in the shadow position is
4524 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=331.1 km assuming a 5% albedo -- 15.5 sec chord
Diameter=135.2 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 535023, (2022/04/07 19:31UT) Object RA Dec mag sep mel Regulus 10:09:33.3 +11:51:27 1.3 19.09 58 Denebola 11:50:11.7 +14:26:51 2.1 9.38 79 77Sig Leo 11:22:17.0 +05:54:25 4.0 1.64 77 PPM 157834 11:26:34.6 +07:49:48 7.7 0.59 77 PPM 157807 11:24:49.2 +07:04:57 11.4 0.33 77 535023 11:24:54.9 +07:24:47 16.6 77 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 535023, (2022/04/07 19:31UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 19.09 58 Denebola 11:49:02.9 +14:34:17 2.1 9.38 79 77Sig Leo 11:21:08.1 +06:01:45 4.0 1.64 77 PPM 157834 11:25:25.5 +07:57:09 7.7 0.59 77 PPM 157807 11:23:40.1 +07:12:18 11.4 0.33 77 535023 11:23:45.8 +07:32:08 16.6 77 Positions are for J2000
Event circumstances last updated at 2022/03/16 00:54:28 UT
Marc W. Buie, Southwest Research Institute