Event between (470593) 08LP17 and star GA0660:08038257 with event index number of 186911
Geocentric closest approach at 2019/04/29 15:29:07 UTC
J2000 position of star is 16:49:05.3 -22:27:44
Equinox of date position of star is 16:50:11.7 -22:29:36
Stellar brightness G=15.8,
use SENSEUP=128
Star is 85 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=21.1
TNO is 30.3 AU from the Sun
and 29.5 AU from the Earth.
The TNO is moving 17.4
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
1380 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 20.0 sec chord
Diameter=141.6 km assuming a 30% albedo -- 8.2 sec chord
Dynamical classification is CENTAURR
Star training set for 470593, (2019/04/29 15:29UT) Object RA Dec mag sep mel Antares 16:30:35.7 -26:28:24 0.9 5.98 88 23Tau Sco 16:37:05.3 -28:15:16 2.8 6.48 87 PPM 266088 16:54:33.9 -20:26:47 5.7 2.28 84 PPM 266012 16:50:44.3 -21:53:05 7.4 0.62 85 PPM 265990 16:49:50.9 -22:36:57 9.5 0.15 85 470593 16:50:14.9 -22:29:41 15.8 85 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 470593, (2019/04/29 15:29UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.98 88 23Tau Sco 16:35:53.0 -28:12:58 2.8 6.48 87 PPM 266088 16:53:25.2 -20:24:57 5.7 2.28 84 PPM 266012 16:49:35.0 -21:51:09 7.4 0.62 85 PPM 265990 16:48:41.3 -22:34:59 9.5 0.15 85 470593 16:49:05.3 -22:27:44 15.8 85 Positions are for J2000
Event circumstances last updated at 2018/06/11 23:03:03 UT
Marc W. Buie, Southwest Research Institute