Event between (8405) Asbolus and star GA1300:03004576 with event index number of 1242408
Geocentric closest approach at 2023/03/31 15:46:26 UTC
J2000 position of star is 05:39:46.2 +40:41:00
Equinox of date position of star is 05:41:23.8 +40:41:39
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 43 degrees from the moon.
Moon is 73% illuminated.
Apparent brightness V=23.4
Object is 24.6 AU from the Sun
and 24.8 AU from the Earth.
Apparent velocity is 13.9
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 157 seconds.
The 1-sigma cross-track error in the shadow position is
1791 km.
The object has an absolute magnitude Hv=9.2
Diameter=91.2 km assuming a 5% albedo -- 6.2 sec chord
Diameter=37.2 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 8405, (2023/03/31 15:46UT) Object RA Dec mag sep mel Aldebaran 04:37:15.4 +16:33:15 0.8 27.84 60 34Bet Aur 06:01:14.1 +44:56:50 1.9 5.59 41 PPM 048217 05:35:08.1 +42:07:24 6.2 1.85 45 PPM 048352 05:42:44.4 +40:53:34 7.8 0.32 43 PPM 048316 05:40:00.8 +40:37:31 9.5 0.27 44 8405 05:41:24.3 +40:41:40 15.9 43 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, (2023/03/31 15:46UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 27.84 60 34Bet Aur 05:59:31.6 +44:56:51 1.9 5.59 41 PPM 048217 05:33:28.7 +42:06:32 6.2 1.85 45 PPM 048352 05:41:06.1 +40:52:57 7.8 0.32 43 PPM 048316 05:38:22.8 +40:36:49 9.5 0.27 44 8405 05:39:46.2 +40:41:00 15.9 43 Positions are for J2000
Event circumstances last updated at 2023/02/16 04:10:57 UT
Marc W. Buie, Southwest Research Institute