Event between (28978) Ixion and star GA0600:26374643 with event index number of 209227
Geocentric closest approach at 2019/08/12 18:41:27 UTC
J2000 position of star is 17:43:50.7 -29:18:19
Equinox of date position of star is 17:45:02.5 -29:18:44
Stellar brightness G=16.2,
use SENSEUP=128
Star is 24 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=19.6
TNO is 39.2 AU from the Sun
and 38.6 AU from the Earth.
The TNO is moving 13.1
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 385 seconds.
The 1-sigma cross-track error in the shadow position is
2430 km.
The TNO has an absolute magnitude Hv=3.6
Diameter=1148.2 km assuming a 5% albedo -- 87.8 sec chord
Diameter=468.7 km assuming a 30% albedo -- 35.8 sec chord
Dynamical classification is 3:2E
Star training set for 28978, (2019/08/12 18:41UT) Object RA Dec mag sep mel Antares 16:30:36.8 -26:28:26 0.9 16.68 40 34Ups Sco 17:32:06.0 -37:18:34 2.7 8.44 29 3 Sgr 17:48:47.8 -27:50:11 4.2 1.68 23 PPM 267165 17:43:42.2 -29:26:49 8.4 0.33 24 PPM 267197 17:45:11.5 -29:18:57 8.8 0.02 24 28978 17:45:05.7 -29:18:46 16.2 23 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, (2019/08/12 18:41UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.68 40 34Ups Sco 17:30:45.8 -37:17:46 2.7 8.44 29 3 Sgr 17:47:33.6 -27:49:51 4.2 1.68 23 PPM 267165 17:42:27.1 -29:26:20 8.4 0.33 24 PPM 267197 17:43:56.5 -29:18:31 8.8 0.02 24 28978 17:43:50.7 -29:18:19 16.2 24 Positions are for J2000
Event circumstances last updated at 2018/10/08 19:39:03 UT
Marc W. Buie, Southwest Research Institute