Event between 15KE172 and star GA0780:05009724 with event index number of 266780
Geocentric closest approach at 2018/06/15 23:27:21 UTC
J2000 position of star is 16:00:30.2 -10:01:59
Equinox of date position of star is 16:01:30.7 -10:05:03
Stellar brightness G=15.8,
use SENSEUP=128
Star is 125 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=24.7
TNO is 44.1 AU from the Sun
and 43.2 AU from the Earth.
The TNO is moving 22.2
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 365 seconds.
The 1-sigma cross-track error in the shadow position is
5466 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=139.3 km assuming a 5% albedo -- 6.3 sec chord
Diameter=56.9 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is 9:1EEEEEEEE
Star training set for 15KE172, (2018/06/15 23:27UT) Object RA Dec mag sep mel Antares 16:30:32.5 -26:28:17 0.9 17.76 134 1Del Oph 16:15:18.9 -03:44:26 2.7 7.21 126 50 Lib 16:01:47.6 -08:27:44 5.5 1.62 124 PPM 199248 16:05:10.4 -09:58:10 7.8 0.91 125 PPM 199174 16:00:47.4 -10:00:25 9.4 0.19 124 15KE172 16:01:30.8 -10:05:03 15.8 125 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 15KE172, (2018/06/15 23:27UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.76 134 1Del Oph 16:14:20.7 -03:41:42 2.7 7.21 126 50 Lib 16:00:47.6 -08:24:41 5.5 1.62 124 PPM 199248 16:04:09.8 -09:55:11 7.8 0.91 125 PPM 199174 15:59:46.9 -09:57:20 9.4 0.19 124 15KE172 16:00:30.2 -10:01:59 15.8 125 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:08:38 UT
Marc W. Buie, Southwest Research Institute