Event between (556416) 14OE394 and star GA0680:35947572 with event index number of 2511603
Geocentric closest approach at 2025/11/15 19:57:46 UTC
J2000 position of star is 20:16:35.0 -20:09:20
Equinox of date position of star is 20:18:00.1 -20:04:44
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 117 degrees from the moon.
Moon is 17% illuminated.
Apparent brightness V=21.5
Object is 46.1 AU from the Sun
and 46.5 AU from the Earth.
Apparent velocity is 15.8
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 140 seconds.
The 1-sigma cross-track error in the shadow position is
1910 km.
The object has an absolute magnitude Hv=4.7
Diameter=660.7 km assuming a 5% albedo -- 43.7 sec chord
Diameter=269.7 km assuming a 30% albedo -- 17.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 556416, (2025/11/15 19:54UT) Object RA Dec mag sep mel Fomalhaut 22:59:04.4 -29:29:04 1.2 37.53 142 38Zet Sgr 19:04:15.3 -29:50:27 2.7 19.33 98 7Sig Cap 20:20:53.0 -19:02:09 5.3 1.23 118 PPM 237196 20:18:45.6 -19:52:46 7.8 0.25 117 PPM 270928 20:18:08.8 -20:05:53 9.2 0.03 117 556416 20:18:05.0 -20:04:28 13.8 117 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 556416, (2025/11/15 19:54UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 37.53 142 38Zet Sgr 19:02:36.7 -29:52:49 2.7 19.33 98 7Sig Cap 20:19:23.6 -19:07:07 5.3 1.23 118 PPM 237196 20:17:15.7 -19:57:40 7.8 0.25 117 PPM 270928 20:16:38.7 -20:10:46 9.2 0.03 117 556416 20:16:35.0 -20:09:20 13.8 117 Positions are for J2000
Event circumstances last updated at 2024/06/18 02:55:58 UT
Marc W. Buie, Southwest Research Institute