Event between (134340) Pluto and star GA0660:37911781 with event index number of 289329
Geocentric closest approach at 2020/09/27 22:46:53 UTC
J2000 position of star is 19:36:43.7 -22:41:10
Equinox of date position of star is 19:37:58.0 -22:38:19
Stellar brightness G=16.5,
use SENSEUP=128
Star is 29 degrees from the moon.
Moon is 86% illuminated.
TNO apparent brightness V=25.5
TNO is 34.1 AU from the Sun
and 33.8 AU from the Earth.
The TNO is moving 3.3
km/sec on the sky relative to the star, or,
0.5 arcsec/hr.
The 1-sigma error in the time of the event is 367 seconds.
The 1-sigma cross-track error in the shadow position is
1253 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=7244.6 km assuming a 5% albedo -- 18.0 sec chord
Diameter=2957.6 km assuming a 30% albedo -- 7.3 sec chord
Dynamical classification is 3:2E
Star training set for 134340, (2020/09/27 22:47UT) Object RA Dec mag sep mel Antares 16:30:41.0 -26:28:35 0.9 42.53 71 Nunki 18:56:33.0 -26:16:09 2.0 10.10 39 PPM 270116 19:41:21.9 -23:22:48 5.7 1.08 29 PPM 270046 19:38:33.3 -22:12:31 8.5 0.45 29 PPM 270025 19:37:42.8 -22:46:11 8.9 0.14 29 134340 19:37:58.0 -22:38:19 16.5 29 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, (2020/09/27 22:47UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 42.53 71 Nunki 18:55:15.9 -26:17:49 2.0 10.10 39 PPM 270116 19:40:07.2 -23:25:45 5.7 1.08 29 PPM 270046 19:37:19.2 -22:15:23 8.5 0.45 29 PPM 270025 19:36:28.4 -22:49:02 8.9 0.14 29 134340 19:36:43.7 -22:41:10 16.5 29 Positions are for J2000
Event circumstances last updated at 2020/09/25 20:34:02 UT
Marc W. Buie, Southwest Research Institute