Event between (202421) 05UQ513 and star GA1240:00194664 with event index number of 278227
Geocentric closest approach at 2020/07/30 01:40:09 UTC
J2000 position of star is 01:01:37.7 +34:14:05
Equinox of date position of star is 01:02:39.3 +34:20:03
Stellar brightness G=16.6,
use SENSEUP=128
Star is 131 degrees from the moon.
Moon is 77% illuminated.
TNO apparent brightness V=20.4
TNO is 47.9 AU from the Sun
and 47.7 AU from the Earth.
The TNO is moving 12.7
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 220 seconds.
The 1-sigma cross-track error in the shadow position is
2626 km.
The TNO has an absolute magnitude Hv=3.5
Diameter=1202.3 km assuming a 5% albedo -- 94.5 sec chord
Diameter=490.8 km assuming a 30% albedo -- 38.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 202421, (2020/07/30 01:40UT) Object RA Dec mag sep mel Deneb 20:42:08.0 +45:21:17 1.3 49.82 86 57Gam1And 02:05:10.3 +42:25:39 2.3 14.62 141 PPM 066072 01:14:25.4 +34:12:26 6.5 2.41 133 PPM 065815 00:59:22.3 +34:03:41 7.2 0.76 130 PPM 065868 01:02:31.9 +34:10:15 9.7 0.18 131 202421 01:02:46.0 +34:20:42 16.6 131 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, (2020/07/30 01:40UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 49.82 86 57Gam1And 02:03:54.0 +42:19:46 2.3 14.62 141 PPM 066072 01:13:16.2 +34:05:54 6.5 2.41 133 PPM 065815 00:58:14.3 +33:57:02 7.2 0.76 130 PPM 065868 01:01:23.6 +34:03:38 9.7 0.18 131 202421 01:01:37.7 +34:14:05 16.6 131 Positions are for J2000
Event circumstances last updated at 2018/08/01 18:01:09 UT
Marc W. Buie, Southwest Research Institute