Event between (523731) 14OK394 and star GA1080:00575731 with event index number of 2373277
Geocentric closest approach at 2025/11/06 23:17:52 UTC
J2000 position of star is 04:28:33.1 +18:01:42
Equinox of date position of star is 04:29:56.6 +18:04:47
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 9 degrees from the moon.
Moon is 97% illuminated.
Apparent brightness V=21.9
Object is 37.3 AU from the Sun
and 36.4 AU from the Earth.
Apparent velocity is 22.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 131 seconds.
The 1-sigma cross-track error in the shadow position is
1653 km.
The object has an absolute magnitude Hv=6.2
Diameter=332.7 km assuming a 5% albedo -- 15.1 sec chord
Diameter=135.8 km assuming a 30% albedo -- 6.2 sec chord
Dynamical classification is 5:3EE
Star training set for 523731, (2025/11/06 23:41UT) Object RA Dec mag sep mel Aldebaran 04:37:24.4 +16:33:34 0.8 2.33 11 44Zet Per 03:55:45.8 +31:57:30 2.8 15.88 7 68Del3Tau 04:26:59.3 +17:59:06 4.4 0.73 9 PPM 119945 04:31:00.3 +17:55:04 7.6 0.28 9 PPM 119944 04:30:52.4 +18:04:30 9.6 0.20 9 523731 04:30:03.0 +18:05:02 15.3 9 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 523731, (2025/11/06 23:41UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 2.33 11 44Zet Per 03:54:07.9 +31:53:01 2.8 15.88 7 68Del3Tau 04:25:29.5 +17:55:40 4.4 0.73 9 PPM 119945 04:29:30.5 +17:51:46 7.6 0.28 9 PPM 119944 04:29:22.5 +18:01:12 9.6 0.20 9 523731 04:28:33.1 +18:01:42 15.3 9 Positions are for J2000
Event circumstances last updated at 2024/01/08 05:16:56 UT
Marc W. Buie, Southwest Research Institute