Event between (8405) Asbolus and star GA1300:02811175 with event index number of 1147024
Geocentric closest approach at 2022/03/21 14:35:07 UTC
J2000 position of star is 05:28:15.2 +40:34:26
Equinox of date position of star is 05:29:48.7 +40:35:26
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 136 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=23.2
TNO is 24.0 AU from the Sun
and 24.1 AU from the Earth.
The TNO is moving 11.3
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 142 seconds.
The 1-sigma cross-track error in the shadow position is
2090 km.
The TNO has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 8.1 sec chord
Diameter=37.2 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is CENTAURR
Star training set for 8405, (2022/03/21 14:35UT) Object RA Dec mag sep mel Aldebaran 04:37:11.9 +16:33:08 0.8 26.60 153 34Bet Aur 06:01:09.6 +44:56:50 1.9 7.21 129 PPM 048174 05:32:23.0 +41:28:38 6.0 1.01 135 PPM 048164 05:31:54.8 +40:31:25 8.3 0.40 136 PPM 048121 05:29:07.3 +40:43:28 9.2 0.19 136 8405 05:29:48.7 +40:35:26 16.2 136 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, (2022/03/21 14:35UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 26.60 153 34Bet Aur 05:59:31.6 +44:56:51 1.9 7.21 129 PPM 048174 05:30:48.6 +41:27:43 6.0 1.01 135 PPM 048164 05:30:21.3 +40:30:29 8.3 0.40 136 PPM 048121 05:27:33.7 +40:42:26 9.2 0.19 136 8405 05:28:15.2 +40:34:26 16.2 136 Positions are for J2000
Event circumstances last updated at 2022/03/16 00:53:58 UT
Marc W. Buie, Southwest Research Institute