Event between (15810) Arawn and star GA0700:32788014 with event index number of 321452
Geocentric closest approach at 2019/09/14 17:29:12 UTC
J2000 position of star is 19:18:41.1 -19:59:00
Equinox of date position of star is 19:19:49.8 -19:56:48
Stellar brightness G=16.3,
use SENSEUP=128
Star is 69 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=23.4
TNO is 35.8 AU from the Sun
and 35.3 AU from the Earth.
The TNO is moving 8.0
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 1376 seconds.
The 1-sigma cross-track error in the shadow position is
2038 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=173.8 km assuming a 5% albedo -- 21.8 sec chord
Diameter=70.9 km assuming a 30% albedo -- 8.9 sec chord
Dynamical classification is 3:2E
Star training set for 15810, (2019/09/14 17:29UT) Object RA Dec mag sep mel Antares 16:30:37.1 -26:28:27 0.9 39.25 107 Nunki 18:56:29.1 -26:16:14 2.0 8.29 75 43 Sgr 19:18:47.2 -18:54:59 4.9 1.06 70 PPM 269595 19:19:31.0 -20:24:27 8.3 0.47 69 PPM 235835 19:20:32.0 -19:54:03 9.5 0.17 69 15810 19:19:50.7 -19:56:46 16.3 69 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 15810, (2019/09/14 17:29UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 39.25 107 Nunki 18:55:15.9 -26:17:49 2.0 8.29 75 43 Sgr 19:17:38.1 -18:57:11 4.9 1.06 70 PPM 269595 19:18:21.2 -20:26:40 8.3 0.47 69 PPM 235835 19:19:22.5 -19:56:18 9.5 0.17 69 15810 19:18:41.1 -19:59:00 16.3 69 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:39:34 UT
Marc W. Buie, Southwest Research Institute