Event between (308933) 06SQ372 and star GA0960:00065450 with event index number of 289451
Geocentric closest approach at 2020/09/21 14:34:38 UTC
J2000 position of star is 00:42:48.9 +06:43:21
Equinox of date position of star is 00:43:52.8 +06:50:06
Stellar brightness G=15.4,
use SENSEUP=128
Star is 135 degrees from the moon.
Moon is 24% illuminated.
TNO apparent brightness V=24.7
TNO is 29.8 AU from the Sun
and 28.8 AU from the Earth.
The TNO is moving 22.6
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 58 seconds.
The 1-sigma cross-track error in the shadow position is
1203 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=166.0 km assuming a 5% albedo -- 2.7 sec chord
Diameter=67.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURS
Star training set for 308933, (2020/09/21 14:35UT) Object RA Dec mag sep mel Algenib 00:14:18.3 +15:17:55 2.8 11.14 130 63Del Psc 00:49:45.6 +07:41:51 4.4 1.69 137 PPM 143866 00:47:10.1 +06:12:13 8.0 1.03 136 PPM 143808 00:44:03.0 +06:55:29 9.3 0.10 135 308933 00:43:53.2 +06:50:09 15.4 136 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 308933, (2020/09/21 14:35UT) Object RA Dec mag sep mel Algenib 00:13:14.2 +15:11:01 2.8 11.14 130 63Del Psc 00:48:41.1 +07:35:05 4.4 1.69 137 PPM 143866 00:46:05.8 +06:05:26 8.0 1.03 136 PPM 143808 00:42:58.6 +06:48:41 9.3 0.10 135 308933 00:42:48.9 +06:43:21 15.4 135 Positions are for J2000
Event circumstances last updated at 2020/07/30 22:10:33 UT
Marc W. Buie, Southwest Research Institute