Event between (15810) Arawn and star GA0700:33561075 with event index number of 1230219
Geocentric closest approach at 2022/11/10 13:33:57 UTC
J2000 position of star is 19:42:00.8 -19:29:47
Equinox of date position of star is 19:43:17.0 -19:26:38
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 96% illuminated.
TNO apparent brightness V=23.4
TNO is 36.0 AU from the Sun
and 36.4 AU from the Earth.
The TNO is moving 17.7
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 306 seconds.
The 1-sigma cross-track error in the shadow position is
1447 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=173.8 km assuming a 5% albedo -- 9.8 sec chord
Diameter=70.9 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 3:2E
Star training set for 15810, (2022/11/10 13:31UT) Object RA Dec mag sep mel Antares 16:30:48.8 -26:28:51 0.9 44.62 177 Nunki 18:56:40.9 -26:15:59 2.0 12.72 150 PPM 236251 19:38:22.8 -18:10:43 5.7 1.73 139 PPM 236394 19:44:32.1 -19:03:23 8.5 0.48 138 PPM 236354 19:42:49.6 -19:38:37 8.9 0.24 138 15810 19:43:20.8 -19:26:29 16.8 138 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, (2022/11/10 13:31UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 44.62 177 Nunki 18:55:15.9 -26:17:49 2.0 12.72 150 PPM 236251 19:37:03.4 -18:13:52 5.7 1.73 139 PPM 236394 19:43:12.3 -19:06:44 8.5 0.48 138 PPM 236354 19:41:29.4 -19:41:54 8.9 0.24 138 15810 19:42:00.8 -19:29:47 16.8 138 Positions are for J2000
Event circumstances last updated at 2021/10/07 00:36:17 UT
Marc W. Buie, Southwest Research Institute