Event between 05JZ174 and star UC4-375-070152 with event index number of 108407
Geocentric closest approach at 2017/05/27 16:31:37 UTC
J2000 position of star is 14:55:03.3 -15:07:53
Equinox of date position of star is 14:56:00.8 -15:12:03
Stellar brightness R=14.3,
use SENSEUP=64
Star is 133 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=22.8
TNO is 41.7 AU from the Sun
and 40.7 AU from the Earth.
The TNO is moving 23.0
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 349 seconds.
The 1-sigma cross-track error in the shadow position is
5012 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=293.8 km assuming a 5% albedo -- 12.8 sec chord
Diameter=119.9 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 05JZ174, (2017/05/27 16:32UT) Object RA Dec mag sep mel Spica 13:26:06.7 -11:15:06 1.0 22.22 110 27Bet Lib 15:17:56.7 -09:26:46 2.6 7.86 136 8Alp1Lib 14:51:39.1 -16:04:07 5.1 1.36 132 PPM 229507 14:57:00.6 -15:43:34 8.2 0.58 133 PPM 229490 14:56:30.8 -15:24:36 9.0 0.24 133 05JZ174 14:56:01.1 -15:12:04 14.3 133 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 05JZ174, (2017/05/27 16:32UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 22.22 110 27Bet Lib 15:17:00.3 -09:22:59 2.6 7.86 136 8Alp1Lib 14:50:41.1 -15:59:51 5.1 1.36 132 PPM 229507 14:56:02.5 -15:39:23 8.2 0.58 133 PPM 229490 14:55:32.8 -15:20:25 9.0 0.24 133 05JZ174 14:55:03.3 -15:07:53 14.3 133 Positions are for J2000
Event circumstances last updated at 2017/04/24 16:07:13 UT
Marc W. Buie, Southwest Research Institute