Event between (8405) Asbolus and star GA1300:02751117 with event index number of 212977
Geocentric closest approach at 2019/09/11 13:54:03 UTC
J2000 position of star is 05:24:53.3 +40:11:22
Equinox of date position of star is 05:26:11.7 +40:12:19
Stellar brightness G=16.2,
use SENSEUP=128
Star is 122 degrees from the moon.
Moon is 94% illuminated.
TNO apparent brightness V=22.9
TNO is 22.4 AU from the Sun
and 22.5 AU from the Earth.
The TNO is moving 10.9
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 213 seconds.
The 1-sigma cross-track error in the shadow position is
3078 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 8.4 sec chord
Diameter=37.2 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is CENTAURR
Star training set for 8405, (2019/09/11 13:54UT) Object RA Dec mag sep mel Aldebaran 04:37:03.2 +16:32:51 0.8 25.95 109 34Bet Aur 06:00:58.5 +44:56:50 1.9 7.95 128 PPM 048055 05:24:13.4 +41:02:48 5.0 0.93 122 PPM 070296 05:25:41.3 +39:39:39 8.4 0.56 122 PPM 048067 05:24:50.5 +40:10:14 8.8 0.27 122 PPM 048105 05:27:35.1 +40:16:10 10.6 0.26 122 8405 05:26:15.9 +40:12:21 16.2 122 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 8405, (2019/09/11 13:54UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 25.95 109 34Bet Aur 05:59:31.6 +44:56:51 1.9 7.95 128 PPM 048055 05:22:50.2 +41:01:45 5.0 0.93 122 PPM 070296 05:24:19.2 +39:38:39 8.4 0.56 122 PPM 048067 05:23:28.0 +40:09:12 8.8 0.27 122 PPM 048105 05:26:12.5 +40:15:13 10.6 0.26 122 8405 05:24:53.3 +40:11:22 16.2 122 Positions are for J2000
Event circumstances last updated at 2018/09/18 16:37:38 UT
Marc W. Buie, Southwest Research Institute