Event between 09KN30 and star GA0640:21753427 with event index number of 196124
Geocentric closest approach at 2018/10/01 09:40:51 UTC
J2000 position of star is 17:59:52.7 -24:28:47
Equinox of date position of star is 18:01:01.8 -24:28:47
Stellar brightness G=15.9,
use SENSEUP=128
Star is 174 degrees from the moon.
Moon is 61% illuminated.
TNO apparent brightness V=23.3
TNO is 33.4 AU from the Sun
and 33.5 AU from the Earth.
The TNO is moving 10.8
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 425 seconds.
The 1-sigma cross-track error in the shadow position is
1351 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=156.3 km assuming a 5% albedo -- 14.4 sec chord
Diameter=63.8 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 09KN30, (2018/10/01 09:41UT) Object RA Dec mag sep mel Antares 16:30:33.6 -26:28:19 0.9 20.49 163 Nunki 18:56:25.6 -26:16:19 2.0 12.63 162 4 Sgr 18:00:56.3 -23:48:58 4.8 0.66 174 PPM 267646 18:01:20.6 -24:17:03 6.8 0.21 174 PPM 267614 18:00:19.0 -24:25:42 9.7 0.17 174 09KN30 18:01:01.8 -24:28:47 15.9 173 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 09KN30, (2018/10/01 09:41UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.49 163 Nunki 18:55:15.9 -26:17:49 2.0 12.63 162 4 Sgr 17:59:47.6 -23:48:59 4.8 0.66 174 PPM 267646 18:00:11.6 -24:17:05 6.8 0.21 174 PPM 267614 17:59:10.0 -24:25:41 9.7 0.17 174 09KN30 17:59:52.7 -24:28:47 15.9 174 Positions are for J2000
Event circumstances last updated at 2018/09/28 17:37:16 UT
Marc W. Buie, Southwest Research Institute