Event between (523717) 14KY101 and star GA0700:08087285 with event index number of 1098453
Geocentric closest approach at 2021/08/02 19:54:22 UTC
J2000 position of star is 17:07:58.4 -19:57:07
Equinox of date position of star is 17:09:13.2 -19:58:41
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 167 degrees from the moon.
Moon is 29% illuminated.
TNO apparent brightness V=22.0
TNO is 35.5 AU from the Sun
and 34.8 AU from the Earth.
The TNO is moving 12.7
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 361 seconds.
The 1-sigma cross-track error in the shadow position is
1760 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=316.2 km assuming a 5% albedo -- 25.0 sec chord
Diameter=129.1 km assuming a 30% albedo -- 10.2 sec chord
Dynamical classification is 3:2E
Star training set for 523717, (2021/08/02 19:54UT) Object RA Dec mag sep mel Antares 16:30:44.1 -26:28:41 0.9 10.97 174 35Eta Oph 17:11:37.1 -15:45:00 2.6 4.27 166 PPM 266364 17:06:02.2 -20:31:23 6.5 0.93 168 PPM 266456 17:09:49.3 -20:14:39 8.2 0.30 167 PPM 232652 17:09:33.2 -19:49:37 9.6 0.17 167 523717 17:09:15.0 -19:58:43 16.9 167 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 523717, (2021/08/02 19:54UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.97 174 35Eta Oph 17:10:22.7 -15:43:29 2.6 4.27 166 PPM 266364 17:04:45.3 -20:29:41 6.5 0.93 168 PPM 266456 17:08:32.5 -20:13:03 8.2 0.30 167 PPM 232652 17:08:16.7 -19:48:02 9.6 0.17 167 523717 17:07:58.4 -19:57:07 16.9 167 Positions are for J2000
Event circumstances last updated at 2021/01/24 20:49:29 UT
Marc W. Buie, Southwest Research Institute