Event between (427507) 02DH5 and star GA0920:04247361 with event index number of 198048
Geocentric closest approach at 2019/06/09 17:30:52 UTC
J2000 position of star is 16:03:40.2 +02:57:06
Equinox of date position of star is 16:04:38.8 +02:53:57
Stellar brightness G=15.9,
use SENSEUP=128
Star is 76 degrees from the moon.
Moon is 44% illuminated.
TNO apparent brightness V=23.7
TNO is 22.6 AU from the Sun
and 21.7 AU from the Earth.
The TNO is moving 22.1
km/sec on the sky relative to the star, or,
5.1 arcsec/hr.
The 1-sigma error in the time of the event is 209 seconds.
The 1-sigma cross-track error in the shadow position is
1103 km.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 2.6 sec chord
Diameter=23.5 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 427507, (2019/06/09 17:31UT) Object RA Dec mag sep mel Antares 16:30:36.1 -26:28:25 0.9 30.03 88 Unukalhai 15:45:13.6 +06:21:56 2.6 5.95 70 PPM 162147 16:01:49.1 +04:22:27 5.8 1.64 75 PPM 162280 16:09:57.3 +03:24:16 7.5 1.42 77 PPM 162220 16:06:07.5 +03:00:21 9.0 0.38 76 PPM 162203 16:05:11.4 +02:43:41 10.1 0.22 76 427507 16:04:38.8 +02:53:57 15.9 76 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 427507, (2019/06/09 17:31UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 30.03 88 Unukalhai 15:44:16.3 +06:25:33 2.6 5.95 70 PPM 162147 16:00:51.1 +04:25:40 5.8 1.64 75 PPM 162280 16:08:58.9 +03:27:17 7.5 1.42 77 PPM 162220 16:05:08.9 +03:03:27 9.0 0.38 76 PPM 162203 16:04:12.7 +02:46:49 10.1 0.22 76 427507 16:03:40.2 +02:57:06 15.9 76 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:14:34 UT
Marc W. Buie, Southwest Research Institute