Event between (560414) 15FQ345 and star GA0840:04633387 with event index number of 2348221
Geocentric closest approach at 2025/05/21 22:18:01 UTC
J2000 position of star is 15:25:42.8 -05:38:12
Equinox of date position of star is 15:26:57.9 -05:43:05
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 118 degrees from the moon.
Moon is 34% illuminated.
Apparent brightness V=22.0
Object is 32.5 AU from the Sun
and 31.5 AU from the Earth.
Apparent velocity is 22.6
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 127 seconds.
The 1-sigma cross-track error in the shadow position is
1307 km.
The object has an absolute magnitude Hv=6.9
Diameter=244.4 km assuming a 5% albedo -- 11.0 sec chord
Diameter=99.8 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is SCATNEAR
Star training set for 560414, (2025/05/21 22:16UT) Object RA Dec mag sep mel Antares 16:30:58.1 -26:29:10 0.9 25.76 99 27Bet Lib 15:18:22.6 -09:28:30 2.6 4.32 120 PPM 198488 15:22:28.3 -05:54:54 5.4 1.16 119 PPM 198573 15:26:27.7 -06:00:26 7.5 0.32 118 PPM 198575 15:26:45.0 -05:49:40 8.8 0.13 118 560414 15:27:03.6 -05:43:28 16.0 118 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 560414, (2025/05/21 22:16UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 25.76 99 27Bet Lib 15:17:00.3 -09:22:59 2.6 4.32 120 PPM 198488 15:21:07.5 -05:49:30 5.4 1.16 119 PPM 198573 15:25:06.9 -05:55:09 7.5 0.32 118 PPM 198575 15:25:24.2 -05:44:23 8.8 0.13 118 560414 15:25:42.8 -05:38:12 16.0 118 Positions are for J2000
Event circumstances last updated at 2023/08/07 02:53:55 UT
Marc W. Buie, Southwest Research Institute