Event between (523677) 13UF15 and star GA1160:00686554 with event index number of 2087824
Geocentric closest approach at 2025/11/13 17:53:50 UTC
J2000 position of star is 04:09:10.4 +26:39:19
Equinox of date position of star is 04:10:38.3 +26:43:01
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 94 degrees from the moon.
Moon is 35% illuminated.
Apparent brightness V=21.7
Object is 35.6 AU from the Sun
and 34.6 AU from the Earth.
Apparent velocity is 24.1
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 73 seconds.
The 1-sigma cross-track error in the shadow position is
1374 km.
The object has an absolute magnitude Hv=6.2
Diameter=342.0 km assuming a 5% albedo -- 14.3 sec chord
Diameter=139.6 km assuming a 30% albedo -- 5.9 sec chord
Dynamical classification is 5:3EE
Star training set for 523677, (2025/11/13 17:53UT) Object RA Dec mag sep mel Aldebaran 04:37:24.5 +16:33:34 0.8 11.89 90 44Zet Per 03:55:45.9 +31:57:30 2.8 6.17 96 44 Tau 04:12:24.7 +26:32:47 5.4 0.41 94 PPM 093278 04:10:13.4 +25:56:40 8.5 0.79 94 44 Tau 04:12:24.7 +26:32:47 5.4 0.41 94 523677 04:10:45.3 +26:43:19 16.7 94 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 523677, (2025/11/13 17:53UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 11.89 90 44Zet Per 03:54:07.9 +31:53:01 2.8 6.17 96 44 Tau 04:10:49.8 +26:28:51 5.4 0.41 94 PPM 093278 04:08:39.0 +25:52:40 8.5 0.79 94 44 Tau 04:10:49.8 +26:28:51 5.4 0.41 94 523677 04:09:10.4 +26:39:19 16.7 94 Positions are for J2000
Event circumstances last updated at 2023/12/15 05:42:01 UT
Marc W. Buie, Southwest Research Institute