Event between (8405) Asbolus and star GA1300:03496546 with event index number of 1510878
Geocentric closest approach at 2025/11/24 15:04:37 UTC
J2000 position of star is 06:24:29.1 +41:31:02
Equinox of date position of star is 06:26:11.9 +41:30:09
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 159 degrees from the moon.
Moon is 16% illuminated.
Apparent brightness V=23.4
Object is 25.9 AU from the Sun
and 25.1 AU from the Earth.
Apparent velocity is 22.4
km/sec on the sky relative to the star, or,
4.4 arcsec/hr.
The 1-sigma error in the time of the event is 143 seconds.
The 1-sigma cross-track error in the shadow position is
1180 km.
The object has an absolute magnitude Hv=9.2
Diameter=91.2 km assuming a 5% albedo -- 3.9 sec chord
Diameter=37.2 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CENTAURR
Star training set for 8405, (2025/11/24 15:05UT) Object RA Dec mag sep mel Pollux 07:46:54.0 +27:57:41 1.1 21.29 176 34Bet Aur 06:01:25.8 +44:56:50 1.9 5.69 154 50Psi2Aur 06:41:10.6 +42:27:48 5.9 2.92 160 PPM 049043 06:27:46.9 +41:34:36 8.5 0.28 160 PPM 049028 06:26:39.5 +41:16:49 10.2 0.23 160 8405 06:26:19.2 +41:30:05 15.5 160 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, (2025/11/24 15:05UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 21.29 176 34Bet Aur 05:59:31.6 +44:56:51 1.9 5.69 154 50Psi2Aur 06:39:19.8 +42:29:19 5.9 2.92 160 PPM 049043 06:25:56.8 +41:35:36 8.5 0.28 160 PPM 049028 06:24:49.7 +41:17:47 10.2 0.23 160 8405 06:24:29.1 +41:31:02 15.5 159 Positions are for J2000
Event circumstances last updated at 2024/03/03 06:06:17 UT
Marc W. Buie, Southwest Research Institute