Event between (523627) 08QB43 and star GA1100:17277052 with event index number of 309242
Geocentric closest approach at 2019/08/23 16:01:09 UTC
J2000 position of star is 23:54:05.8 +21:17:11
Equinox of date position of star is 23:55:05.3 +21:23:40
Stellar brightness G=15.0,
use SENSEUP=128
Star is 57 degrees from the moon.
Moon is 50% illuminated.
TNO apparent brightness V=21.9
TNO is 38.1 AU from the Sun
and 37.4 AU from the Earth.
The TNO is moving 20.3
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 98 seconds.
The 1-sigma cross-track error in the shadow position is
1906 km.
The TNO has an absolute magnitude Hv=6.0
Diameter=380.2 km assuming a 5% albedo -- 18.8 sec chord
Diameter=155.2 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 523627, (2019/08/23 16:01UT) Object RA Dec mag sep mel Deneb 20:42:06.1 +45:21:05 1.3 45.95 91 Algenib 00:14:15.0 +15:17:34 2.8 7.61 54 PPM 115976 23:57:41.7 +22:45:27 6.1 1.49 57 PPM 115962 23:56:58.7 +21:16:31 6.7 0.45 57 PPM 115921 23:54:19.4 +20:59:29 9.2 0.44 58 PPM 115940 23:55:52.5 +21:26:32 10.2 0.19 57 523627 23:55:05.9 +21:23:44 15.0 57 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 523627, (2019/08/23 16:01UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 45.95 91 Algenib 00:13:14.2 +15:11:01 2.8 7.61 54 PPM 115976 23:56:41.5 +22:38:53 6.1 1.49 57 PPM 115962 23:55:58.4 +21:09:58 6.7 0.45 57 PPM 115921 23:53:19.3 +20:52:55 9.2 0.44 58 PPM 115940 23:54:52.3 +21:19:59 10.2 0.19 57 523627 23:54:05.8 +21:17:11 15.0 57 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:35:23 UT
Marc W. Buie, Southwest Research Institute