Event between (533507) 14HV199 and star GA0820:04927391 with event index number of 1608424
Geocentric closest approach at 2021/03/19 21:31:43 UTC
J2000 position of star is 16:00:27.8 -07:29:08
Equinox of date position of star is 16:01:35.7 -07:32:37
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 163 degrees from the moon.
Moon is 34% illuminated.
TNO apparent brightness V=22.5
TNO is 38.5 AU from the Sun
and 38.0 AU from the Earth.
The TNO is moving 10.8
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 244 seconds.
The 1-sigma cross-track error in the shadow position is
2357 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=307.6 km assuming a 5% albedo -- 28.6 sec chord
Diameter=125.6 km assuming a 30% albedo -- 11.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 533507, (2021/03/19 21:32UT) Object RA Dec mag sep mel Antares 16:30:42.7 -26:28:38 0.9 20.16 175 1Del Oph 16:15:27.6 -03:44:51 2.7 5.13 161 50 Lib 16:01:56.5 -08:28:12 5.5 0.93 164 PPM 199187 16:01:31.2 -07:52:00 8.4 0.32 164 PPM 199175 16:00:55.8 -07:28:57 9.3 0.18 163 533507 16:01:36.3 -07:32:39 16.2 163 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 533507, (2021/03/19 21:32UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.16 175 1Del Oph 16:14:20.7 -03:41:43 2.7 5.13 161 50 Lib 16:00:47.6 -08:24:41 5.5 0.93 164 PPM 199187 16:00:22.6 -07:48:29 8.4 0.32 164 PPM 199175 15:59:47.3 -07:25:25 9.3 0.18 163 533507 16:00:27.8 -07:29:08 16.2 163 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:18:49 UT
Marc W. Buie, Southwest Research Institute