Event between (202421) 05UQ513 and star UC4-615-002274 with event index number of 63825
Geocentric closest approach at 2017/09/04 14:38:14 UTC
J2000 position of star is 00:47:11.8 +32:49:57
Equinox of date position of star is 00:48:07.7 +32:55:34
Stellar brightness R=16.4,
use SENSEUP=128
Star is 65 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=20.3
TNO is 48.1 AU from the Sun
and 47.5 AU from the Earth.
The TNO is moving 20.1
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 154 seconds.
The 1-sigma cross-track error in the shadow position is
2350 km.
The TNO has an absolute magnitude Hv=3.4
Diameter=1259.0 km assuming a 5% albedo -- 62.6 sec chord
Diameter=514.0 km assuming a 30% albedo -- 25.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 202421, (2017/09/04 14:38UT) Object RA Dec mag sep mel Deneb 20:42:02.1 +45:20:39 1.3 48.09 61 57Gam1And 02:04:59.5 +42:24:49 2.3 17.86 83 31Del And 00:40:16.7 +30:57:27 3.3 2.58 63 PPM 065648 00:49:52.3 +33:01:14 8.0 0.37 65 PPM 065613 00:47:18.5 +32:48:57 10.7 0.21 65 202421 00:48:09.3 +32:55:44 16.4 65 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 202421, (2017/09/04 14:38UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 48.09 61 57Gam1And 02:03:54.0 +42:19:46 2.3 17.86 83 31Del And 00:39:19.9 +30:51:38 3.3 2.58 63 PPM 065648 00:48:54.6 +32:55:28 8.0 0.37 65 PPM 065613 00:46:21.1 +32:43:10 10.7 0.21 65 202421 00:47:11.8 +32:49:57 16.4 65 Positions are for J2000
Event circumstances last updated at 2017/03/07 17:43:07 UT
Marc W. Buie, Southwest Research Institute