Event between (28978) Ixion and star GA0600:30170365 with event index number of 251497
Geocentric closest approach at 2020/03/08 12:06:14 UTC
J2000 position of star is 17:59:23.9 -29:29:45
Equinox of date position of star is 18:00:38.3 -29:29:45
Stellar brightness G=16.1,
use SENSEUP=128
Star is 119 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=19.7
TNO is 39.0 AU from the Sun
and 39.2 AU from the Earth.
The TNO is moving 11.9
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 452 seconds.
The 1-sigma cross-track error in the shadow position is
3844 km.
The TNO has an absolute magnitude Hv=3.6
Diameter=1148.2 km assuming a 5% albedo -- 96.4 sec chord
Diameter=468.7 km assuming a 30% albedo -- 39.3 sec chord
Dynamical classification is 3:2E
Star training set for 28978, (2020/03/08 12:06UT) Object RA Dec mag sep mel Antares 16:30:38.9 -26:28:30 0.9 20.07 99 34Ups Sco 17:32:08.3 -37:18:36 2.7 9.82 113 Gam1Sgr 18:06:18.6 -29:34:38 4.7 1.23 121 PPM 267678 18:02:30.1 -29:26:37 7.9 0.40 120 PPM 267621 18:00:39.5 -29:29:01 9.2 0.01 119 28978 18:00:41.2 -29:29:45 16.1 120 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 28978, (2020/03/08 12:06UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.07 99 34Ups Sco 17:30:45.8 -37:17:46 2.7 9.82 113 Gam1Sgr 18:05:01.2 -29:34:48 4.7 1.23 121 PPM 267678 18:01:12.8 -29:26:40 7.9 0.40 120 PPM 267621 17:59:22.2 -29:29:01 9.2 0.01 119 28978 17:59:23.9 -29:29:45 16.1 119 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:20:47 UT
Marc W. Buie, Southwest Research Institute