Event between (536921) 15FO345 and star GA0920:04002912 with event index number of 1620274
Geocentric closest approach at 2020/08/10 02:51:03 UTC
J2000 position of star is 15:06:29.6 +02:31:15
Equinox of date position of star is 15:07:31.7 +02:26:34
Stellar brightness G=15.0,
use SENSEUP=128
Star is 161 degrees from the moon.
Moon is 65% illuminated.
TNO apparent brightness V=25.7
TNO is 35.9 AU from the Sun
and 36.0 AU from the Earth.
The TNO is moving 11.8
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 289 seconds.
The 1-sigma cross-track error in the shadow position is
4669 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=229.1 km assuming a 5% albedo -- 5.1 sec chord
Diameter=93.5 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 536921, (2020/08/10 02:51UT) Object RA Dec mag sep mel Arcturus 14:16:36.1 +19:04:34 0.0 20.78 153 Unukalhai 15:45:17.1 +06:21:43 2.6 10.19 150 110 Vir 15:03:56.6 +02:00:41 4.4 1.00 162 PPM 161278 15:08:09.4 +02:17:03 8.2 0.22 161 PPM 161265 15:07:27.3 +02:34:59 9.4 0.14 161 536921 15:07:32.1 +02:26:32 15.0 160 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 536921, (2020/08/10 02:51UT) Object RA Dec mag sep mel Arcturus 14:15:38.1 +19:10:16 0.0 20.78 153 Unukalhai 15:44:16.3 +06:25:33 2.6 10.19 150 110 Vir 15:02:54.0 +02:05:29 4.4 1.00 162 PPM 161278 15:07:06.9 +02:21:45 8.2 0.22 161 PPM 161265 15:06:24.8 +02:39:42 9.4 0.14 161 536921 15:06:29.6 +02:31:15 15.0 161 Positions are for J2000
Event circumstances last updated at 2020/06/21 05:46:39 UT
Marc W. Buie, Southwest Research Institute