Event between 11UY411 and star GA1060:00264981 with event index number of 363412
Geocentric closest approach at 2020/10/22 16:05:29 UTC
J2000 position of star is 02:41:36.7 +17:44:20
Equinox of date position of star is 02:42:44.4 +17:49:28
Stellar brightness G=12.2,
use SENSEUP=16
Star is 115 degrees from the moon.
Moon is 41% illuminated.
TNO apparent brightness V=26.3
TNO is 42.7 AU from the Sun
and 41.7 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 433 seconds.
The 1-sigma cross-track error in the shadow position is
4010 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=163.7 km assuming a 5% albedo -- 2.5 sec chord
Diameter=66.8 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 11UY411, (2020/10/22 16:05UT) Object RA Dec mag sep mel Aldebaran 04:37:07.0 +16:32:58 0.8 27.31 140 Hamal 02:08:21.1 +23:33:36 2.0 9.88 109 36 Ari 02:45:29.1 +17:51:03 6.4 0.65 115 PPM 118466 02:43:12.2 +17:50:41 8.3 0.10 115 11UY411 02:42:46.5 +17:49:37 12.2 115 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 11UY411, (2020/10/22 16:05UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 27.31 140 Hamal 02:07:10.7 +23:27:42 2.0 9.88 109 36 Ari 02:44:19.2 +17:45:49 6.4 0.65 115 PPM 118466 02:42:02.4 +17:45:24 8.3 0.10 115 11UY411 02:41:36.7 +17:44:20 12.2 115 Positions are for J2000
Event circumstances last updated at 2020/03/10 22:15:09 UT
Marc W. Buie, Southwest Research Institute