Event between (523749) 14UR224 and star GA1100:00744959 with event index number of 364756
Geocentric closest approach at 2020/10/24 00:12:26 UTC
J2000 position of star is 04:49:25.0 +20:50:33
Equinox of date position of star is 04:50:37.9 +20:52:36
Stellar brightness G=16.3,
use SENSEUP=128
Star is 127 degrees from the moon.
Moon is 55% illuminated.
TNO apparent brightness V=26.1
TNO is 39.6 AU from the Sun
and 38.9 AU from the Earth.
The TNO is moving 17.3
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 180 seconds.
The 1-sigma cross-track error in the shadow position is
1440 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=478.6 km assuming a 5% albedo -- 3.5 sec chord
Diameter=195.4 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 523749, (2020/10/24 00:12UT) Object RA Dec mag sep mel Aldebaran 04:37:07.0 +16:32:58 0.8 5.38 123 Alnath 05:27:36.6 +28:37:23 1.6 11.41 136 97 Tau 04:52:35.7 +18:52:25 5.1 2.06 127 PPM 093789 04:49:58.2 +21:21:03 7.3 0.50 127 PPM 093788 04:49:56.5 +21:08:09 9.6 0.31 127 PPM 093807 04:51:14.4 +20:46:41 10.9 0.17 127 523749 04:50:39.1 +20:52:38 16.3 127 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 523749, (2020/10/24 00:12UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 5.38 123 Alnath 05:26:17.5 +28:36:23 1.6 11.41 136 97 Tau 04:51:22.6 +18:50:23 5.1 2.06 127 PPM 093789 04:48:43.8 +21:18:56 7.3 0.50 127 PPM 093788 04:48:42.2 +21:06:03 9.6 0.31 127 PPM 093807 04:50:00.3 +20:44:36 10.9 0.17 127 523749 04:49:25.0 +20:50:33 16.3 127 Positions are for J2000
Event circumstances last updated at 2020/06/21 22:19:27 UT
Marc W. Buie, Southwest Research Institute