Event between (8405) Asbolus and star GA1300:02957005 with event index number of 338444
Geocentric closest approach at 2020/09/24 16:50:10 UTC
J2000 position of star is 05:36:51.1 +40:38:02
Equinox of date position of star is 05:38:17.4 +40:38:42
Stellar brightness G=16.2,
use SENSEUP=128
Star is 159 degrees from the moon.
Moon is 57% illuminated.
TNO apparent brightness V=23.9
TNO is 23.1 AU from the Sun
and 23.0 AU from the Earth.
The TNO is moving 9.0
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 96 seconds.
The 1-sigma cross-track error in the shadow position is
2345 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=91.2 km assuming a 5% albedo -- 6.7 sec chord
Diameter=37.2 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is CENTAURR
Star training set for 8405, (2020/09/24 16:50UT) Object RA Dec mag sep mel Aldebaran 04:37:06.8 +16:32:58 0.8 27.49 149 34Bet Aur 06:01:03.0 +44:56:50 1.9 5.99 158 PPM 048174 05:32:16.7 +41:28:34 6.0 1.41 157 PPM 048282 05:38:19.5 +40:11:37 7.2 0.45 159 PPM 048316 05:39:50.2 +40:37:27 9.5 0.29 159 PPM 048269 05:37:42.5 +40:53:11 10.8 0.27 158 8405 05:38:18.5 +40:38:42 16.2 159 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, (2020/09/24 16:50UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.49 149 34Bet Aur 05:59:31.6 +44:56:51 1.9 5.99 158 PPM 048174 05:30:48.6 +41:27:43 6.0 1.41 157 PPM 048282 05:36:52.4 +40:10:57 7.2 0.45 159 PPM 048316 05:38:22.8 +40:36:49 9.5 0.29 159 PPM 048269 05:36:14.9 +40:52:29 10.8 0.27 158 8405 05:36:51.1 +40:38:02 16.2 159 Positions are for J2000
Event circumstances last updated at 2020/06/21 21:31:41 UT
Marc W. Buie, Southwest Research Institute