Event between (508823) 01RX143 and star GA1060:00200936 with event index number of 999606
Geocentric closest approach at 2020/11/21 13:33:23 UTC
J2000 position of star is 02:00:52.0 +17:38:05
Equinox of date position of star is 02:01:55.9 +17:43:41
Stellar brightness G=15.8,
use SENSEUP=128
Star is 73 degrees from the moon.
Moon is 44% illuminated.
TNO apparent brightness V=23.2
TNO is 45.4 AU from the Sun
and 44.5 AU from the Earth.
The TNO is moving 23.4
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 200 seconds.
The 1-sigma cross-track error in the shadow position is
4093 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 12.3 sec chord
Diameter=117.7 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is 3:2E
Star training set for 508823, (2020/11/21 13:33UT) Object RA Dec mag sep mel Aldebaran 04:37:07.3 +16:32:59 0.8 37.01 107 6Bet Ari 01:55:47.9 +20:54:34 2.6 3.50 73 15 Ari 02:11:47.3 +19:35:53 5.7 2.97 75 PPM 117830 01:59:12.6 +17:38:23 8.4 0.67 72 PPM 117876 02:02:36.0 +18:05:58 10.0 0.39 73 PPM 117887 02:03:24.3 +17:55:02 11.0 0.38 73 508823 02:02:00.7 +17:44:06 15.8 73 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 508823, (2020/11/21 13:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 37.01 107 6Bet Ari 01:54:38.5 +20:48:27 2.6 3.50 73 15 Ari 02:10:37.7 +19:30:01 5.7 2.97 75 PPM 117830 01:58:03.9 +17:32:19 8.4 0.67 72 PPM 117876 02:01:27.1 +17:59:57 10.0 0.39 73 PPM 117887 02:02:15.4 +17:49:02 11.0 0.38 73 508823 02:00:52.0 +17:38:05 15.8 72 Positions are for J2000
Event circumstances last updated at 2019/06/08 00:39:30 UT
Marc W. Buie, Southwest Research Institute