Event between (54598) Bienor and star GA1300:03574833 with event index number of 1299496
Geocentric closest approach at 2024/03/31 20:30:47 UTC
J2000 position of star is 06:36:07.1 +40:37:36
Equinox of date position of star is 06:37:48.8 +40:36:18
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 163 degrees from the moon.
Moon is 64% illuminated.
Apparent brightness V=19.1
Object is 13.5 AU from the Sun
and 13.5 AU from the Earth.
Apparent velocity is 14.6
km/sec on the sky relative to the star, or,
5.4 arcsec/hr.
The 1-sigma error in the time of the event is 36 seconds.
The 1-sigma cross-track error in the shadow position is
546 km.
The object has an absolute magnitude Hv=7.4
Diameter=195.0 km assuming a 5% albedo -- 13.4 sec chord
Diameter=79.6 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is CENTAURR
Star training set for 54598, (2024/03/31 20:31UT) Object RA Dec mag sep mel Pollux 07:46:47.9 +27:57:56 1.1 18.98 153 34Bet Aur 06:01:18.5 +44:56:50 1.9 7.98 163 52Psi3Aur 06:40:30.4 +39:52:44 5.2 0.89 163 PPM 049235 06:42:03.5 +40:56:44 7.3 0.87 163 PPM 049146 06:35:34.1 +40:32:54 10.0 0.43 164 PPM 049164 06:36:58.5 +40:35:17 10.5 0.16 163 54598 06:37:49.1 +40:36:18 16.4 163 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 54598, (2024/03/31 20:31UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 18.98 153 34Bet Aur 05:59:31.6 +44:56:51 1.9 7.98 163 52Psi3Aur 06:38:49.2 +39:54:08 5.2 0.89 163 PPM 049235 06:40:21.3 +40:58:11 7.3 0.87 163 PPM 049146 06:33:52.1 +40:34:08 10.0 0.43 164 PPM 049164 06:35:16.5 +40:36:34 10.5 0.16 163 54598 06:36:07.1 +40:37:36 16.4 163 Positions are for J2000
Event circumstances last updated at 2024/03/05 04:22:10 UT
Marc W. Buie, Southwest Research Institute