Event between 11BT163 and star GA0900:03661076 with event index number of 2117089
Geocentric closest approach at 2022/06/12 21:06:40 UTC
J2000 position of star is 10:20:35.5 +00:38:04
Equinox of date position of star is 10:21:43.9 +00:31:19
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 82 degrees from the moon.
Moon is 96% illuminated.
TNO apparent brightness V=22.8
TNO is 46.6 AU from the Sun
and 46.9 AU from the Earth.
The TNO is moving 11.3
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 262 seconds.
The 1-sigma cross-track error in the shadow position is
3552 km.
The TNO has an absolute magnitude Hv=6.0
Diameter=385.5 km assuming a 5% albedo -- 34.1 sec chord
Diameter=157.4 km assuming a 30% albedo -- 13.9 sec chord
Dynamical classification is 12:5EEEEEEE
Star training set for 11BT163, (2022/06/12 21:07UT) Object RA Dec mag sep mel Regulus 10:09:33.9 +11:51:24 1.3 11.73 89 30Bet Sex 10:31:26.3 -00:45:10 4.8 2.74 80 PPM 156769 10:23:54.2 +01:02:14 8.4 0.75 82 PPM 156744 10:22:19.5 +00:27:54 9.5 0.16 82 11BT163 10:21:44.6 +00:31:15 15.1 82 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 11BT163, (2022/06/12 21:07UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 11.73 89 30Bet Sex 10:30:17.4 -00:38:14 4.8 2.74 80 PPM 156769 10:22:44.9 +01:09:04 8.4 0.75 82 PPM 156744 10:21:10.3 +00:34:43 9.5 0.16 82 11BT163 10:20:35.5 +00:38:04 15.1 82 Positions are for J2000
Event circumstances last updated at 2022/03/14 01:03:31 UT
Marc W. Buie, Southwest Research Institute