Event between (523701) 14HT199 and star GA0720:05753621 with event index number of 1134339
Geocentric closest approach at 2021/08/09 13:38:36 UTC
J2000 position of star is 15:54:21.9 -17:16:04
Equinox of date position of star is 15:55:34.8 -17:19:46
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 91 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.3
TNO is 29.8 AU from the Sun
and 29.6 AU from the Earth.
The TNO is moving 3.0
km/sec on the sky relative to the star, or,
0.5 arcsec/hr.
The 1-sigma error in the time of the event is 588 seconds.
The 1-sigma cross-track error in the shadow position is
2039 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=203.2 km assuming a 5% albedo -- 67.5 sec chord
Diameter=83.0 km assuming a 30% albedo -- 27.5 sec chord
Dynamical classification is 3:2E
Star training set for 523701, (2021/08/09 13:39UT) Object RA Dec mag sep mel Antares 16:30:44.1 -26:28:41 0.9 12.24 101 8Bet1Sco 16:06:41.8 -19:51:46 2.6 3.65 94 46The Lib 15:55:03.5 -16:47:29 4.3 0.55 90 PPM 230954 15:57:04.3 -18:05:28 8.2 0.84 91 PPM 230948 15:56:42.3 -17:19:07 9.8 0.26 91 523701 15:55:36.0 -17:19:49 16.4 91 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 523701, (2021/08/09 13:39UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.24 101 8Bet1Sco 16:05:26.2 -19:48:20 2.6 3.65 94 46The Lib 15:53:49.7 -16:43:43 4.3 0.55 90 PPM 230954 15:55:49.8 -18:01:46 8.2 0.84 91 PPM 230948 15:55:28.2 -17:15:24 9.8 0.26 91 523701 15:54:21.9 -17:16:04 16.4 91 Positions are for J2000
Event circumstances last updated at 2021/04/08 23:42:43 UT
Marc W. Buie, Southwest Research Institute