Event between 11BS163 and star GA0980:03604882 with event index number of 2117030
Geocentric closest approach at 2022/06/16 08:35:36 UTC
J2000 position of star is 10:21:03.1 +09:09:27
Equinox of date position of star is 10:22:13.4 +09:02:43
Stellar brightness G=14.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=22.9
TNO is 45.2 AU from the Sun
and 45.6 AU from the Earth.
The TNO is moving 14.8
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 527 seconds.
The 1-sigma cross-track error in the shadow position is
4538 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=354.8 km assuming a 5% albedo -- 24.0 sec chord
Diameter=144.9 km assuming a 30% albedo -- 9.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 11BS163, (2022/06/16 08:36UT) Object RA Dec mag sep mel Regulus 10:09:34.0 +11:51:24 1.3 4.20 142 45 Leo 10:28:50.1 +09:38:50 5.8 1.74 137 PPM 156760 10:23:25.1 +08:51:01 7.8 0.35 137 PPM 156746 10:22:40.5 +08:57:57 9.4 0.13 138 11BS163 10:22:14.2 +09:02:38 14.5 137 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 11BS163, (2022/06/16 08:36UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 4.20 142 45 Leo 10:27:39.0 +09:45:44 5.8 1.74 137 PPM 156760 10:22:14.1 +08:57:51 7.8 0.35 137 PPM 156746 10:21:29.4 +09:04:46 9.4 0.13 138 11BS163 10:21:03.1 +09:09:27 14.5 138 Positions are for J2000
Event circumstances last updated at 2022/03/14 01:03:43 UT
Marc W. Buie, Southwest Research Institute