Event between (523760) 14WQ509 and star GA1200:03019856 with event index number of 2362260
Geocentric closest approach at 2023/02/08 20:26:39 UTC
J2000 position of star is 07:32:33.9 +31:16:08
Equinox of date position of star is 07:34:02.0 +31:13:05
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 64 degrees from the moon.
Moon is 91% illuminated.
Apparent brightness V=22.2
Object is 43.1 AU from the Sun
and 42.3 AU from the Earth.
Apparent velocity is 22.2
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 134 seconds.
The 1-sigma cross-track error in the shadow position is
1616 km.
The object has an absolute magnitude Hv=5.8
Diameter=411.2 km assuming a 5% albedo -- 18.8 sec chord
Diameter=167.9 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is 3:2E
Star training set for 523760, (2023/02/08 20:45UT) Object RA Dec mag sep mel Pollux 07:46:43.7 +27:58:07 1.1 4.26 60 PPM 072946 07:36:36.7 +30:54:32 6.3 0.63 63 PPM 072897 07:34:20.0 +31:13:57 9.5 0.07 64 523760 07:34:02.1 +31:13:05 16.0 63 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 523760, (2023/02/08 20:45UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 4.26 60 PPM 072946 07:35:08.7 +30:57:40 6.3 0.63 63 PPM 072897 07:32:51.7 +31:17:01 9.5 0.07 64 523760 07:32:33.9 +31:16:08 16.0 64 Positions are for J2000
Event circumstances last updated at 2023/01/23 03:11:20 UT
Marc W. Buie, Southwest Research Institute