Event between (469362) 01KB77 and star UC4-392-073139 with event index number of 349947
Geocentric closest approach at 2020/10/07 17:46:46 UTC
J2000 position of star is 17:29:49.9 -11:36:51
Equinox of date position of star is 17:30:58.8 -11:37:45
Stellar brightness R=15.2,
use SENSEUP=128
Star is 168 degrees from the moon.
Moon is 72% illuminated.
TNO apparent brightness V=24.8
TNO is 28.5 AU from the Sun
and 28.8 AU from the Earth.
The TNO is moving 18.3
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 122 seconds.
The 1-sigma cross-track error in the shadow position is
1149 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=199.5 km assuming a 5% albedo -- 3.3 sec chord
Diameter=81.5 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is 3:2E
Star training set for 469362, (2020/10/07 17:47UT) Object RA Dec mag sep mel Antares 16:30:41.1 -26:28:35 0.9 20.54 170 35Eta Oph 17:11:34.2 -15:44:57 2.6 6.26 173 PPM 233365 17:39:18.7 -10:56:13 5.7 2.15 167 PPM 233145 17:30:57.6 -11:09:32 7.7 0.47 168 PPM 233150 17:31:07.2 -11:37:05 9.4 0.03 168 469362 17:30:59.5 -11:37:45 15.2 168 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 469362, (2020/10/07 17:47UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.54 170 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.26 173 PPM 233365 17:38:09.5 -10:55:35 5.7 2.15 167 PPM 233145 17:29:48.3 -11:08:38 7.7 0.47 168 PPM 233150 17:29:57.7 -11:36:12 9.4 0.03 168 469362 17:29:49.9 -11:36:51 15.2 168 Positions are for J2000
Event circumstances last updated at 2020/07/30 22:24:26 UT
Marc W. Buie, Southwest Research Institute