Event between 11WJ157 and star GA1240:02902802 with event index number of 314822
Geocentric closest approach at 2020/03/10 14:57:40 UTC
J2000 position of star is 06:50:37.6 +35:29:25
Equinox of date position of star is 06:51:58.2 +35:27:56
Stellar brightness G=16.2,
use SENSEUP=128
Star is 82 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=26.1
TNO is 39.5 AU from the Sun
and 39.2 AU from the Earth.
The TNO is moving 6.6
km/sec on the sky relative to the star, or,
0.8 arcsec/hr.
The 1-sigma error in the time of the event is 344 seconds.
The 1-sigma cross-track error in the shadow position is
1598 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=557.2 km assuming a 5% albedo -- 9.1 sec chord
Diameter=227.5 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is 6:1EEEEE
Star training set for 11WJ157, (2020/03/10 14:58UT) Object RA Dec mag sep mel Pollux 07:46:32.9 +27:58:33 1.1 13.79 70 34Bet Aur 06:01:00.6 +44:56:50 1.9 13.56 91 34The Gem 06:54:07.1 +33:56:06 3.6 1.59 81 PPM 072140 06:51:33.0 +35:02:37 8.1 0.43 82 PPM 072185 06:53:35.3 +35:17:29 9.5 0.37 81 PPM 072156 06:52:11.7 +35:21:44 10.5 0.11 82 11WJ157 06:51:58.4 +35:27:56 16.2 81 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 11WJ157, (2020/03/10 14:58UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 13.79 70 34Bet Aur 05:59:31.6 +44:56:51 1.9 13.56 91 34The Gem 06:52:47.3 +33:57:39 3.6 1.59 81 PPM 072140 06:50:12.4 +35:04:06 8.1 0.43 82 PPM 072185 06:52:14.6 +35:19:02 9.5 0.37 81 PPM 072156 06:50:50.9 +35:23:14 10.5 0.11 82 11WJ157 06:50:37.6 +35:29:25 16.2 82 Positions are for J2000
Event circumstances last updated at 2020/02/25 21:25:05 UT
Marc W. Buie, Southwest Research Institute