Event between 04KB19 and star GA0580:10174633 with event index number of 267983
Geocentric closest approach at 2020/05/31 01:39:41 UTC
J2000 position of star is 16:35:21.7 -30:29:13
Equinox of date position of star is 16:36:35.8 -30:31:33
Stellar brightness G=16.6,
use SENSEUP=128
Star is 80 degrees from the moon.
Moon is 61% illuminated.
TNO apparent brightness V=23.2
TNO is 35.9 AU from the Sun
and 34.9 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 476 seconds.
The 1-sigma cross-track error in the shadow position is
5966 km.
The TNO has an absolute magnitude Hv=7.7
Diameter=177.0 km assuming a 5% albedo -- 7.2 sec chord
Diameter=72.3 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is 3:2E
Star training set for 04KB19, (2020/05/31 01:40UT) Object RA Dec mag sep mel Antares 16:30:39.7 -26:28:32 0.9 4.26 78 23Tau Sco 16:37:09.4 -28:15:24 2.8 2.27 80 PPM 265498 16:25:56.9 -29:44:58 5.2 2.44 78 PPM 265668 16:35:26.4 -29:52:19 8.5 0.71 80 PPM 295220 16:36:46.8 -30:18:30 9.3 0.22 80 04KB19 16:36:39.5 -30:31:40 16.6 81 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 04KB19, (2020/05/31 01:40UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 4.26 78 23Tau Sco 16:35:53.0 -28:12:58 2.8 2.27 80 PPM 265498 16:24:39.9 -29:42:14 5.2 2.44 78 PPM 265668 16:34:09.1 -29:49:51 8.5 0.71 80 PPM 295220 16:35:29.2 -30:16:03 9.3 0.22 80 04KB19 16:35:21.7 -30:29:13 16.6 80 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:44:46 UT
Marc W. Buie, Southwest Research Institute