Event between (511130) 13WV107 and star GA0940:03162658 with event index number of 257961
Geocentric closest approach at 2020/05/17 09:33:31 UTC
J2000 position of star is 08:15:38.8 +05:24:17
Equinox of date position of star is 08:16:42.9 +05:20:30
Stellar brightness G=16.1,
use SENSEUP=128
Star is 124 degrees from the moon.
Moon is 24% illuminated.
TNO apparent brightness V=20.8
TNO is 10.7 AU from the Sun
and 11.1 AU from the Earth.
The TNO is moving 20.3
km/sec on the sky relative to the star, or,
9.1 arcsec/hr.
The 1-sigma error in the time of the event is 53 seconds.
The 1-sigma cross-track error in the shadow position is
781 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=63.1 km assuming a 5% albedo -- 3.0 sec chord
Diameter=25.8 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 511130, (2020/05/17 09:34UT) Object RA Dec mag sep mel Pollux 07:46:33.6 +27:58:31 1.1 23.74 116 Alphard 09:28:35.3 -08:44:52 2.0 22.79 139 PPM 154212 08:18:22.8 +04:09:18 6.5 1.26 124 PPM 154247 08:19:37.3 +05:07:11 7.9 0.75 125 PPM 154145 08:16:11.5 +05:21:57 10.0 0.14 124 511130 08:16:43.6 +05:20:28 16.1 124 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 511130, (2020/05/17 09:34UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 23.74 116 Alphard 09:27:35.2 -08:39:30 2.0 22.79 139 PPM 154212 08:17:18.4 +04:13:09 6.5 1.26 124 PPM 154247 08:18:32.6 +05:11:04 7.9 0.75 125 PPM 154145 08:15:06.7 +05:25:45 10.0 0.14 124 511130 08:15:38.8 +05:24:17 16.1 124 Positions are for J2000
Event circumstances last updated at 2020/03/01 21:44:39 UT
Marc W. Buie, Southwest Research Institute