Event between (471136) 10EO65 and star GA0640:38172217 with event index number of 2270044
Geocentric closest approach at 2025/09/02 22:04:21 UTC
J2000 position of star is 19:53:34.8 -24:34:33
Equinox of date position of star is 19:55:03.1 -24:30:39
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 15 degrees from the moon.
Moon is 75% illuminated.
Apparent brightness V=22.3
Object is 17.6 AU from the Sun
and 16.9 AU from the Earth.
Apparent velocity is 13.4
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 802 seconds.
The 1-sigma cross-track error in the shadow position is
4259 km.
The object has an absolute magnitude Hv=9.7
Diameter=75.9 km assuming a 5% albedo -- 5.2 sec chord
Diameter=31.0 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 471136, (2025/09/02 22:04UT) Object RA Dec mag sep mel Fomalhaut 22:59:03.7 -29:29:08 1.2 41.02 54 38Zet Sgr 19:04:14.6 -29:50:28 2.7 12.50 4 PPM 270417 19:55:49.8 -23:52:29 6.1 0.65 16 PPM 270382 19:54:16.2 -24:55:37 8.4 0.46 15 PPM 270427 19:56:29.9 -24:28:28 9.2 0.31 15 471136 19:55:07.5 -24:30:27 17.0 16 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 471136, (2025/09/02 22:04UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 41.02 54 38Zet Sgr 19:02:36.7 -29:52:49 2.7 12.50 4 PPM 270417 19:54:17.6 -23:56:37 6.1 0.65 16 PPM 270382 19:52:43.2 -24:59:41 8.4 0.46 15 PPM 270427 19:54:57.3 -24:32:37 9.2 0.31 15 471136 19:53:34.8 -24:34:33 17.0 15 Positions are for J2000
Event circumstances last updated at 2024/06/18 02:53:29 UT
Marc W. Buie, Southwest Research Institute