Event between 09XM26 and star GA1000:03157909 with event index number of 1571589
Geocentric closest approach at 2020/02/23 00:31:28 UTC
J2000 position of star is 08:18:49.9 +10:13:34
Equinox of date position of star is 08:19:53.7 +10:09:51
Stellar brightness G=15.9,
use SENSEUP=128
Star is 154 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.5
TNO is 29.4 AU from the Sun
and 28.6 AU from the Earth.
The TNO is moving 20.8
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 87 seconds.
The 1-sigma cross-track error in the shadow position is
1415 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=162.9 km assuming a 5% albedo -- 7.8 sec chord
Diameter=66.5 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
Star training set for 09XM26, (2020/02/23 00:31UT) Object RA Dec mag sep mel Pollux 07:46:32.8 +27:58:33 1.1 19.46 146 17Bet Cnc 08:17:36.4 +09:07:20 3.5 1.19 153 PPM 125142 08:21:36.0 +10:26:24 8.5 0.50 155 PPM 125099 08:19:14.9 +10:23:32 8.6 0.28 154 09XM26 08:19:55.8 +10:09:44 15.9 154 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 09XM26, (2020/02/23 00:31UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 19.46 146 17Bet Cnc 08:16:30.9 +09:11:07 3.5 1.19 153 PPM 125142 08:20:30.0 +10:30:17 8.5 0.50 155 PPM 125099 08:18:08.8 +10:27:21 8.6 0.28 154 09XM26 08:18:49.9 +10:13:34 15.9 154 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:30:38 UT
Marc W. Buie, Southwest Research Institute