Event between (134340) Pluto and star UC4-342-179726 with event index number of 58210
Geocentric closest approach at 2017/08/06 12:27:36 UTC
J2000 position of star is 19:14:20.3 -21:36:48
Equinox of date position of star is 19:15:23.1 -21:34:55
Stellar brightness R=14.4,
use SENSEUP=128
Star is 13 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=14.5
TNO is 33.4 AU from the Sun
and 32.5 AU from the Earth.
The TNO is moving 21.0
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 57 seconds.
The 1-sigma cross-track error in the shadow position is
1181 km.
The TNO has an absolute magnitude Hv=-0.8
Diameter=8551.0 km assuming a 5% albedo -- 408.1 sec chord
Diameter=3490.9 km assuming a 30% albedo -- 166.6 sec chord
Dynamical classification is 3:2E
Star training set for 134340, (2017/08/06 12:28UT) Object RA Dec mag sep mel Antares 16:30:29.3 -26:28:11 0.9 37.81 51 Nunki 18:56:21.3 -26:16:24 2.0 6.40 19 PPM 269651 19:21:41.3 -22:22:07 5.8 1.66 12 PPM 269457 19:13:31.1 -21:37:40 6.7 0.44 13 PPM 269515 19:15:40.1 -21:12:15 9.4 0.38 13 134340 19:15:23.2 -21:34:55 14.4 13 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 134340, (2017/08/06 12:28UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 37.81 51 Nunki 18:55:15.9 -26:17:49 2.0 6.40 19 PPM 269651 19:20:38.2 -22:24:09 5.8 1.66 12 PPM 269457 19:12:28.1 -21:39:31 6.7 0.44 13 PPM 269515 19:14:37.4 -21:14:08 9.4 0.38 13 134340 19:14:20.3 -21:36:48 14.4 13 Positions are for J2000
Event circumstances last updated at 2017/07/24 16:02:16 UT
Marc W. Buie, Southwest Research Institute