Event between (120347) Salacia and star GA1120:16369509 with event index number of 147941
Geocentric closest approach at 2018/09/04 17:23:57 UTC
J2000 position of star is 23:28:45.2 +23:08:24
Equinox of date position of star is 23:29:40.5 +23:14:30
Stellar brightness G=14.7,
use SENSEUP=128
Star is 92 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=20.7
TNO is 44.8 AU from the Sun
and 43.9 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 226 seconds.
The 1-sigma cross-track error in the shadow position is
3310 km.
The TNO has an absolute magnitude Hv=4.1
Diameter=912.0 km assuming a 5% albedo -- 38.2 sec chord
Diameter=372.3 km assuming a 30% albedo -- 15.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 120347, (2018/09/04 17:24UT) Object RA Dec mag sep mel Deneb 20:42:04.2 +45:20:52 1.3 40.42 106 Scheat 23:04:40.9 +28:11:04 2.4 7.49 95 68Ups Peg 23:26:18.9 +23:30:26 4.4 0.82 92 PPM 115529 23:30:01.6 +23:09:02 7.3 0.12 92 120347 23:29:41.2 +23:14:35 14.7 91 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 120347, (2018/09/04 17:24UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 40.42 106 Scheat 23:03:46.7 +28:05:01 2.4 7.49 95 68Ups Peg 23:25:23.0 +23:24:15 4.4 0.82 92 PPM 115529 23:29:05.6 +23:02:51 7.3 0.12 92 120347 23:28:45.2 +23:08:24 14.7 92 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:23:38 UT
Marc W. Buie, Southwest Research Institute