Event between 03WA191 and star GA1080:01912656 with event index number of 253718
Geocentric closest approach at 2020/04/17 06:09:02 UTC
J2000 position of star is 06:22:04.7 +18:54:34
Equinox of date position of star is 06:23:13.3 +18:53:55
Stellar brightness G=12.4,
use SENSEUP=16
Star is 131 degrees from the moon.
Moon is 28% illuminated.
TNO apparent brightness V=23.6
TNO is 32.4 AU from the Sun
and 32.7 AU from the Earth.
The TNO is moving 16.5
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 2098 seconds.
The 1-sigma cross-track error in the shadow position is
1494 km.
The TNO has an absolute magnitude Hv=8.3
Diameter=133.0 km assuming a 5% albedo -- 8.1 sec chord
Diameter=54.3 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is 3:2E
Star training set for 03WA191, (2020/04/17 06:09UT) Object RA Dec mag sep mel Betelgeuse 05:56:16.3 +07:24:33 0.4 13.23 122 Alhena 06:38:53.0 +16:22:49 1.9 4.49 134 71 Ori 06:16:02.5 +19:08:52 5.6 1.73 129 PPM 122361 06:23:41.2 +18:48:48 8.5 0.13 131 03WA191 06:23:16.4 +18:53:54 12.4 131 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 03WA191, (2020/04/17 06:09UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 13.23 122 Alhena 06:37:42.8 +16:23:57 1.9 4.49 134 71 Ori 06:14:50.7 +19:09:20 5.6 1.73 129 PPM 122361 06:22:29.6 +18:49:29 8.5 0.13 131 03WA191 06:22:04.7 +18:54:34 12.4 131 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:28:45 UT
Marc W. Buie, Southwest Research Institute