Event between 15BX518 and star GA0760:04476968 with event index number of 355157
Geocentric closest approach at 2020/05/30 11:08:48 UTC
J2000 position of star is 11:15:15.1 -13:16:33
Equinox of date position of star is 11:16:14.7 -13:23:02
Stellar brightness G=14.3,
use SENSEUP=64
Star is 24 degrees from the moon.
Moon is 54% illuminated.
TNO apparent brightness V=21.9
TNO is 41.5 AU from the Sun
and 41.2 AU from the Earth.
The TNO is moving 10.6
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 164 seconds.
The 1-sigma cross-track error in the shadow position is
3500 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=465.6 km assuming a 5% albedo -- 43.8 sec chord
Diameter=190.1 km assuming a 30% albedo -- 17.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 15BX518, (2020/05/30 11:09UT) Object RA Dec mag sep mel Regulus 10:09:27.4 +11:52:00 1.3 30.20 15 4Gam Crv 12:16:51.5 -17:39:19 2.6 15.20 33 PPM 224159 11:16:41.4 -12:42:15 6.5 0.69 24 PPM 224117 11:15:03.7 -12:54:20 8.0 0.57 24 PPM 224148 11:16:14.1 -13:24:34 9.4 0.02 24 15BX518 11:16:16.6 -13:23:15 14.3 25 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 15BX518, (2020/05/30 11:09UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 30.20 15 4Gam Crv 12:15:48.1 -17:32:31 2.6 15.20 33 PPM 224159 11:15:39.8 -12:35:34 6.5 0.69 24 PPM 224117 11:14:02.2 -12:47:39 8.0 0.57 24 PPM 224148 11:15:12.6 -13:17:53 9.4 0.02 24 15BX518 11:15:15.1 -13:16:33 14.3 24 Positions are for J2000
Event circumstances last updated at 2019/10/15 22:22:33 UT
Marc W. Buie, Southwest Research Institute