Event between 10WG9 and star GA1140:02059127 with event index number of 1002384
Geocentric closest approach at 2020/11/23 15:27:55 UTC
J2000 position of star is 06:16:36.8 +24:50:24
Equinox of date position of star is 06:17:48.5 +24:49:54
Stellar brightness G=16.6,
use SENSEUP=128
Star is 106 degrees from the moon.
Moon is 64% illuminated.
TNO apparent brightness V=22.2
TNO is 25.0 AU from the Sun
and 24.1 AU from the Earth.
The TNO is moving 24.4
km/sec on the sky relative to the star, or,
5.0 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is
3301 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=134.9 km assuming a 5% albedo -- 5.5 sec chord
Diameter=55.1 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
Star training set for 10WG9, (2020/11/23 15:28UT) Object RA Dec mag sep mel Betelgeuse 05:56:18.2 +07:24:33 0.4 18.17 99 Alhena 06:38:55.1 +16:22:47 1.9 9.78 110 9 Gem 06:18:15.2 +23:43:55 6.1 1.10 106 PPM 095750 06:20:01.2 +25:20:18 8.0 0.70 106 PPM 095655 06:16:24.7 +25:04:24 9.8 0.42 105 PPM 095709 06:18:30.6 +24:38:07 10.3 0.24 106 10WG9 06:17:53.9 +24:49:52 16.6 106 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 10WG9, (2020/11/23 15:28UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 18.17 99 Alhena 06:37:42.8 +16:23:57 1.9 9.78 110 9 Gem 06:16:58.7 +23:44:27 6.1 1.10 106 PPM 095750 06:18:43.8 +25:20:53 8.0 0.70 106 PPM 095655 06:15:07.4 +25:04:53 9.8 0.42 105 PPM 095709 06:17:13.6 +24:38:40 10.3 0.24 106 10WG9 06:16:36.8 +24:50:24 16.6 106 Positions are for J2000
Event circumstances last updated at 2019/06/08 00:39:44 UT
Marc W. Buie, Southwest Research Institute