Event between (202421) 05UQ513 and star GA1220:00148809 with event index number of 154982
Geocentric closest approach at 2018/09/12 13:03:16 UTC
J2000 position of star is 00:50:51.9 +33:21:29
Equinox of date position of star is 00:51:52.2 +33:27:29
Stellar brightness G=12.2,
use SENSEUP=16
Star is 149 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=20.4
TNO is 48.1 AU from the Sun
and 47.3 AU from the Earth.
The TNO is moving 21.6
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 136 seconds.
The 1-sigma cross-track error in the shadow position is
2241 km.
The TNO has an absolute magnitude Hv=3.5
Diameter=1202.3 km assuming a 5% albedo -- 55.6 sec chord
Diameter=490.8 km assuming a 30% albedo -- 22.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 202421, (2018/09/12 13:03UT) Object RA Dec mag sep mel Deneb 20:42:04.2 +45:20:52 1.3 48.44 103 57Gam1And 02:05:03.3 +42:25:07 2.3 16.93 143 69Sig Psc 01:03:50.8 +31:54:15 5.4 2.96 152 PPM 065690 00:52:11.8 +33:39:34 8.2 0.21 149 PPM 065685 00:51:48.9 +33:24:11 9.5 0.06 149 202421 00:51:53.1 +33:27:34 12.2 149 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, (2018/09/12 13:03UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 48.44 103 57Gam1And 02:03:54.0 +42:19:46 2.3 16.93 143 69Sig Psc 01:02:49.1 +31:48:15 5.4 2.96 152 PPM 065690 00:51:10.5 +33:33:29 8.2 0.21 149 PPM 065685 00:50:47.8 +33:18:05 9.5 0.06 149 202421 00:50:51.9 +33:21:29 12.2 149 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:25:24 UT
Marc W. Buie, Southwest Research Institute