Event between 10XE91 and star GA0980:01276208 with event index number of 1027481
Geocentric closest approach at 2020/12/11 14:54:49 UTC
J2000 position of star is 06:04:19.9 +08:05:30
Equinox of date position of star is 06:05:28.2 +08:05:21
Stellar brightness G=14.5,
use SENSEUP=128
Star is 126 degrees from the moon.
Moon is 13% illuminated.
TNO apparent brightness V=22.7
TNO is 39.9 AU from the Sun
and 38.9 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 120 seconds.
The 1-sigma cross-track error in the shadow position is
1528 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=276.7 km assuming a 5% albedo -- 11.3 sec chord
Diameter=113.0 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 10XE91, (2020/12/11 14:55UT) Object RA Dec mag sep mel Betelgeuse 05:56:18.4 +07:24:33 0.4 2.37 129 Bellatrix 05:26:15.3 +06:22:01 1.6 9.88 136 63 Ori 06:06:05.2 +05:25:01 6.4 2.68 126 PPM 149829 06:04:40.9 +08:35:14 8.0 0.53 127 PPM 149825 06:04:31.2 +08:11:14 8.8 0.26 127 PPM 149838 06:04:54.3 +08:05:02 10.2 0.14 127 10XE91 06:05:28.3 +08:05:21 14.5 126 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, (2020/12/11 14:55UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 2.37 129 Bellatrix 05:25:07.8 +06:20:58 1.6 9.88 136 63 Ori 06:04:58.1 +05:25:12 6.4 2.68 126 PPM 149829 06:03:32.3 +08:35:21 8.0 0.53 127 PPM 149825 06:03:22.7 +08:11:22 8.8 0.26 127 PPM 149838 06:03:45.9 +08:05:10 10.2 0.14 127 10XE91 06:04:19.9 +08:05:30 14.5 126 Positions are for J2000
Event circumstances last updated at 2020/12/02 11:39:37 UT
Marc W. Buie, Southwest Research Institute