Event between 10XE91 and star GA0980:01210249 with event index number of 235176
Geocentric closest approach at 2019/09/13 02:55:05 UTC
J2000 position of star is 06:01:00.8 +08:11:58
Equinox of date position of star is 06:02:02.0 +08:11:56
Stellar brightness G=14.0,
use SENSEUP=64
Star is 110 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.7
TNO is 39.4 AU from the Sun
and 39.6 AU from the Earth.
The TNO is moving 12.2
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 595 seconds.
The 1-sigma cross-track error in the shadow position is
3281 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=291.1 km assuming a 5% albedo -- 23.9 sec chord
Diameter=118.8 km assuming a 30% albedo -- 9.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 10XE91, (2019/09/13 02:55UT) Object RA Dec mag sep mel Betelgeuse 05:56:14.3 +07:24:33 0.4 1.65 108 Bellatrix 05:26:11.3 +06:21:57 1.6 9.09 101 PPM 149639 05:55:58.7 +05:51:47 6.4 2.78 108 PPM 149761 06:01:46.7 +08:17:37 8.4 0.12 110 PPM 149758 06:01:39.7 +08:13:31 9.5 0.11 110 10XE91 06:02:05.2 +08:11:56 14.0 110 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 10XE91, (2019/09/13 02:55UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 1.65 108 Bellatrix 05:25:07.8 +06:20:58 1.6 9.09 101 PPM 149639 05:54:55.4 +05:51:39 6.4 2.78 108 PPM 149761 06:00:42.3 +08:17:39 8.4 0.12 110 PPM 149758 06:00:35.3 +08:13:33 9.5 0.11 110 10XE91 06:01:00.8 +08:11:58 14.0 110 Positions are for J2000
Event circumstances last updated at 2018/09/26 17:32:53 UT
Marc W. Buie, Southwest Research Institute