Event between (175113) 04PF115 and star GA0720:33676074 with event index number of 2426286
Geocentric closest approach at 2025/09/21 22:29:52 UTC
J2000 position of star is 23:38:56.5 -17:07:08
Equinox of date position of star is 23:40:11.7 -16:59:06
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=20.7
Object is 41.6 AU from the Sun
and 40.6 AU from the Earth.
Apparent velocity is 24.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 70 seconds.
The 1-sigma cross-track error in the shadow position is
1536 km.
The object has an absolute magnitude Hv=4.5
Diameter=731.2 km assuming a 5% albedo -- 30.6 sec chord
Diameter=298.5 km assuming a 30% albedo -- 12.5 sec chord
Dynamical classification is CLASSICAL
Star training set for 175113, (2025/09/21 22:31UT) Object RA Dec mag sep mel Fomalhaut 22:59:03.9 -29:29:07 1.2 15.67 146 Diphda 00:44:52.7 -17:50:45 2.0 15.43 158 104 Aqr 23:43:05.8 -17:40:26 4.7 0.97 160 PPM 241856 23:36:48.2 -16:26:29 7.9 0.99 161 PPM 241911 23:39:49.4 -16:49:07 9.5 0.19 161 175113 23:40:16.5 -16:58:34 15.8 161 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 175113, (2025/09/21 22:31UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 15.67 146 Diphda 00:43:35.7 -17:59:11 2.0 15.43 158 104 Aqr 23:41:45.8 -17:49:00 4.7 0.97 160 PPM 241856 23:35:28.1 -16:35:01 7.9 0.99 161 PPM 241911 23:38:29.4 -16:57:40 9.5 0.19 161 175113 23:38:56.5 -17:07:08 15.8 161 Positions are for J2000
Event circumstances last updated at 2024/02/28 22:12:54 UT
Marc W. Buie, Southwest Research Institute