Event between 09YT26 and star GA1140:02922229 with event index number of 1558513
Geocentric closest approach at 2020/10/26 20:33:02 UTC
J2000 position of star is 07:44:13.6 +25:58:27
Equinox of date position of star is 07:45:29.8 +25:55:22
Stellar brightness G=14.4,
use SENSEUP=128
Star is 132 degrees from the moon.
Moon is 81% illuminated.
TNO apparent brightness V=25.3
TNO is 32.4 AU from the Sun
and 32.2 AU from the Earth.
The TNO is moving 3.3
km/sec on the sky relative to the star, or,
0.5 arcsec/hr.
The 1-sigma error in the time of the event is 513 seconds.
The 1-sigma cross-track error in the shadow position is
1531 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=288.4 km assuming a 5% albedo -- 18.5 sec chord
Diameter=117.7 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is 3:2E
Star training set for 09YT26, (2020/10/26 20:33UT) Object RA Dec mag sep mel Pollux 07:46:35.2 +27:58:27 1.1 2.07 132 77Kap Gem 07:45:42.1 +24:20:47 3.6 1.58 132 76 Gem 07:45:23.0 +25:43:58 6.6 0.19 132 PPM 097895 07:44:57.2 +25:59:35 11.5 0.14 132 09YT26 07:45:29.8 +25:55:22 14.4 132 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 09YT26, (2020/10/26 20:33UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 2.07 132 77Kap Gem 07:44:26.8 +24:23:52 3.6 1.58 132 76 Gem 07:44:06.9 +25:47:03 6.6 0.19 132 PPM 097895 07:43:41.0 +26:02:39 11.5 0.14 132 09YT26 07:44:13.6 +25:58:27 14.4 132 Positions are for J2000
Event circumstances last updated at 2020/10/26 20:19:43 UT
Marc W. Buie, Southwest Research Institute