Event between 15BM518 and star GA0800:04157016 with event index number of 299885
Geocentric closest approach at 2020/04/24 09:45:55 UTC
J2000 position of star is 11:52:44.8 -08:55:11
Equinox of date position of star is 11:53:46.8 -09:01:56
Stellar brightness G=16.5,
use SENSEUP=128
Star is 131 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=25.5
TNO is 35.2 AU from the Sun
and 34.3 AU from the Earth.
The TNO is moving 20.3
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 134 seconds.
The 1-sigma cross-track error in the shadow position is
2517 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=313.3 km assuming a 5% albedo -- 3.0 sec chord
Diameter=127.9 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is 4:3E
Star training set for 15BM518, (2020/04/24 09:46UT) Object RA Dec mag sep mel Spica 13:26:16.0 -11:16:00 1.0 22.86 154 4Gam Crv 12:16:51.2 -17:39:17 2.6 10.28 138 PPM 225208 12:00:11.8 -10:35:20 6.4 2.22 133 PPM 194889 11:52:04.2 -09:23:11 8.0 0.55 131 PPM 194924 11:53:45.1 -09:04:01 9.5 0.04 131 15BM518 11:53:47.2 -09:01:58 16.5 132 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 15BM518, (2020/04/24 09:46UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 22.86 154 4Gam Crv 12:15:48.1 -17:32:31 2.6 10.28 138 PPM 225208 11:59:09.3 -10:28:33 6.4 2.22 133 PPM 194889 11:51:01.9 -09:16:24 8.0 0.55 131 PPM 194924 11:52:42.8 -08:57:14 9.5 0.04 131 15BM518 11:52:44.8 -08:55:11 16.5 131 Positions are for J2000
Event circumstances last updated at 2020/03/12 20:21:57 UT
Marc W. Buie, Southwest Research Institute