Event between (134340) Pluto and star GA0660:37822443 with event index number of 203482
Geocentric closest approach at 2019/07/22 01:43:00 UTC
J2000 position of star is 19:32:58.2 -22:09:25
Equinox of date position of star is 19:34:07.6 -22:06:51
Stellar brightness G=16.3,
use SENSEUP=128
Star is 65 degrees from the moon.
Moon is 77% illuminated.
TNO apparent brightness V=14.5
TNO is 33.8 AU from the Sun
and 32.8 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 51 seconds.
The 1-sigma cross-track error in the shadow position is
1196 km.
The TNO has an absolute magnitude Hv=-0.8
Diameter=8551.0 km assuming a 5% albedo -- 356.9 sec chord
Diameter=3490.9 km assuming a 30% albedo -- 145.7 sec chord
Dynamical classification is 3:2E
Star training set for 134340, (2019/07/22 01:43UT) Object RA Dec mag sep mel Antares 16:30:36.6 -26:28:25 0.9 41.83 106 Nunki 18:56:28.6 -26:16:15 2.0 9.54 73 50 Sgr 19:27:29.0 -21:44:11 5.6 1.59 66 PPM 269971 19:35:17.2 -22:03:39 8.4 0.27 64 PPM 269942 19:34:06.0 -21:57:27 9.0 0.16 64 134340 19:34:08.0 -22:06:50 16.3 64 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, (2019/07/22 01:43UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 41.83 106 Nunki 18:55:15.9 -26:17:49 2.0 9.54 73 50 Sgr 19:26:19.2 -21:46:36 5.6 1.59 66 PPM 269971 19:34:07.4 -22:06:16 8.4 0.27 64 PPM 269942 19:32:56.2 -22:00:02 9.0 0.16 64 134340 19:32:58.2 -22:09:25 16.3 64 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:26:52 UT
Marc W. Buie, Southwest Research Institute