Event between (488644) 03HY56 and star GA0740:05165427 with event index number of 193887
Geocentric closest approach at 2019/05/23 03:27:48 UTC
J2000 position of star is 14:19:46.9 -14:03:20
Equinox of date position of star is 14:20:49.4 -14:08:34
Stellar brightness G=16.0,
use SENSEUP=128
Star is 75 degrees from the moon.
Moon is 82% illuminated.
TNO apparent brightness V=24.1
TNO is 41.9 AU from the Sun
and 41.0 AU from the Earth.
The TNO is moving 22.3
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 170 seconds.
The 1-sigma cross-track error in the shadow position is
2107 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=158.5 km assuming a 5% albedo -- 7.1 sec chord
Diameter=64.7 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 488644, (2019/05/23 03:28UT) Object RA Dec mag sep mel Spica 13:26:13.0 -11:15:43 1.0 13.63 89 2 Lib 14:24:28.4 -11:48:06 6.2 2.50 75 PPM 228623 14:20:18.3 -14:29:47 7.3 0.38 75 PPM 228610 14:19:56.4 -14:06:17 9.7 0.22 76 488644 14:20:50.3 -14:08:38 16.0 75 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 488644, (2019/05/23 03:28UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 13.63 89 2 Lib 14:23:25.6 -11:42:52 6.2 2.50 75 PPM 228623 14:19:14.9 -14:24:29 7.3 0.38 75 PPM 228610 14:18:53.0 -14:00:58 9.7 0.22 76 488644 14:19:46.9 -14:03:20 16.0 75 Positions are for J2000
Event circumstances last updated at 2019/02/12 08:04:08 UT
Marc W. Buie, Southwest Research Institute