Event between 00QA243 and star GA0960:00069348 with event index number of 1127287
Geocentric closest approach at 2022/01/22 19:06:42 UTC
J2000 position of star is 00:45:26.7 +06:04:44
Equinox of date position of star is 00:46:34.4 +06:11:53
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 165 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=23.9
TNO is 46.6 AU from the Sun
and 46.9 AU from the Earth.
The TNO is moving 14.0
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 235 seconds.
The 1-sigma cross-track error in the shadow position is
2068 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=217.8 km assuming a 5% albedo -- 16.3 sec chord
Diameter=88.9 km assuming a 30% albedo -- 6.7 sec chord
Dynamical classification is 3:2E
Star training set for 00QA243, (2022/01/22 19:31UT) Object RA Dec mag sep mel Algenib 00:14:22.5 +15:18:22 2.8 12.06 160 96 G. Psc 00:49:32.5 +05:23:38 5.8 1.09 165 PPM 143866 00:47:14.3 +06:12:39 8.0 0.16 165 00QA243 00:46:35.2 +06:11:58 16.8 164 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 00QA243, (2022/01/22 19:31UT) Object RA Dec mag sep mel Algenib 00:13:14.2 +15:11:01 2.8 12.06 160 96 G. Psc 00:48:24.0 +05:16:26 5.8 1.09 165 PPM 143866 00:46:05.8 +06:05:26 8.0 0.16 165 00QA243 00:45:26.7 +06:04:44 16.8 165 Positions are for J2000
Event circumstances last updated at 2021/10/26 23:52:08 UT
Marc W. Buie, Southwest Research Institute