Event between (556416) 14OE394 and star GA0680:35838410 with event index number of 2511483
Geocentric closest approach at 2022/07/14 19:23:27 UTC
J2000 position of star is 20:06:15.2 -20:58:34
Equinox of date position of star is 20:07:31.6 -20:54:45
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 9 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=21.4
TNO is 45.8 AU from the Sun
and 44.8 AU from the Earth.
The TNO is moving 24.7
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 95 seconds.
The 1-sigma cross-track error in the shadow position is
1782 km.
The TNO has an absolute magnitude Hv=4.8
Diameter=660.7 km assuming a 5% albedo -- 26.8 sec chord
Diameter=269.7 km assuming a 30% albedo -- 10.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 556416, (2022/07/14 19:24UT) Object RA Dec mag sep mel Fomalhaut 22:58:53.4 -29:30:08 1.2 39.47 31 38Zet Sgr 19:04:02.6 -29:50:45 2.7 16.88 23 PPM 270580 20:02:44.0 -22:40:25 6.0 2.09 10 PPM 270689 20:07:26.8 -20:56:04 8.5 0.04 9 556416 20:07:34.3 -20:54:37 15.9 9 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 556416, (2022/07/14 19:24UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 39.47 31 38Zet Sgr 19:02:36.7 -29:52:49 2.7 16.88 23 PPM 270580 20:01:23.9 -22:44:15 6.0 2.09 10 PPM 270689 20:06:07.7 -21:00:01 8.5 0.04 9 556416 20:06:15.2 -20:58:34 15.9 9 Positions are for J2000
Event circumstances last updated at 2021/10/13 01:36:46 UT
Marc W. Buie, Southwest Research Institute