Event between (511553) 14UK225 and star GA1060:00267315 with event index number of 2242555
Geocentric closest approach at 2022/09/12 04:47:39 UTC
J2000 position of star is 02:42:52.1 +17:58:41
Equinox of date position of star is 02:44:06.7 +18:04:18
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 32 degrees from the moon.
Moon is 96% illuminated.
TNO apparent brightness V=23.5
TNO is 38.0 AU from the Sun
and 37.4 AU from the Earth.
The TNO is moving 12.4
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 310 seconds.
The 1-sigma cross-track error in the shadow position is
1433 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=181.1 km assuming a 5% albedo -- 14.6 sec chord
Diameter=74.0 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 511553, (2022/09/12 04:48UT) Object RA Dec mag sep mel Aldebaran 04:37:13.5 +16:33:11 0.8 27.01 57 Hamal 02:08:27.5 +23:34:07 2.0 9.98 28 36 Ari 02:45:35.4 +17:51:31 6.4 0.41 32 PPM 118466 02:43:18.6 +17:51:09 8.3 0.30 31 PPM 118480 02:44:11.4 +17:59:59 9.7 0.07 31 511553 02:44:08.4 +18:04:25 14.7 32 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 511553, (2022/09/12 04:48UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.01 57 Hamal 02:07:10.7 +23:27:41 2.0 9.98 28 36 Ari 02:44:19.2 +17:45:49 6.4 0.41 32 PPM 118466 02:42:02.4 +17:45:24 8.3 0.30 31 PPM 118480 02:42:55.2 +17:54:15 9.7 0.07 31 511553 02:42:52.1 +17:58:41 14.7 31 Positions are for J2000
Event circumstances last updated at 2022/03/16 00:58:06 UT
Marc W. Buie, Southwest Research Institute