Event between (8405) Asbolus and star GA1300:02807986 with event index number of 1147017
Geocentric closest approach at 2022/02/22 19:36:24 UTC
J2000 position of star is 05:28:03.8 +40:53:30
Equinox of date position of star is 05:29:36.4 +40:54:29
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 63% illuminated.
TNO apparent brightness V=23.1
TNO is 24.0 AU from the Sun
and 23.6 AU from the Earth.
The TNO is moving 10.4
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 149 seconds.
The 1-sigma cross-track error in the shadow position is
2103 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 8.7 sec chord
Diameter=37.2 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CENTAURR
Star training set for 8405, (2022/02/22 19:36UT) Object RA Dec mag sep mel Aldebaran 04:37:11.6 +16:33:07 0.8 26.86 159 34Bet Aur 06:01:09.2 +44:56:50 1.9 7.04 135 PPM 048174 05:32:22.7 +41:28:37 6.0 0.77 141 PPM 048161 05:31:46.8 +41:17:53 7.9 0.56 141 PPM 048138 05:29:56.8 +40:50:36 9.5 0.09 142 8405 05:29:37.3 +40:54:30 15.4 142 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, (2022/02/22 19:36UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 26.86 159 34Bet Aur 05:59:31.6 +44:56:51 1.9 7.04 135 PPM 048174 05:30:48.6 +41:27:43 6.0 0.77 141 PPM 048161 05:30:13.0 +41:16:57 7.9 0.56 141 PPM 048138 05:28:23.3 +40:49:37 9.5 0.09 142 8405 05:28:03.8 +40:53:30 15.4 142 Positions are for J2000
Event circumstances last updated at 2021/12/07 01:45:49 UT
Marc W. Buie, Southwest Research Institute