Event between (471155) 10GF65 and star GA0540:32867863 with event index number of 2236321
Geocentric closest approach at 2025/03/04 19:53:08 UTC
J2000 position of star is 18:17:58.5 -35:37:46
Equinox of date position of star is 18:19:37.0 -35:37:06
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 136 degrees from the moon.
Moon is 30% illuminated.
Apparent brightness V=21.0
Object is 22.2 AU from the Sun
and 22.5 AU from the Earth.
Apparent velocity is 18.7
km/sec on the sky relative to the star, or,
4.1 arcsec/hr.
The 1-sigma error in the time of the event is 759 seconds.
The 1-sigma cross-track error in the shadow position is
4856 km.
The object has an absolute magnitude Hv=7.3
Diameter=229.1 km assuming a 5% albedo -- 11.3 sec chord
Diameter=93.5 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is CENTAURR
Star training set for 471155, (2025/03/04 19:53UT) Object RA Dec mag sep mel Antares 16:30:57.3 -26:29:08 0.9 24.91 160 Kap Sco 17:44:13.9 -39:02:25 2.4 7.83 142 Eta Sgr 18:19:19.9 -36:45:05 3.1 1.14 136 PPM 297465 18:17:31.4 -35:37:38 7.6 0.44 137 PPM 297502 18:19:05.8 -35:32:46 9.3 0.14 136 471155 18:19:39.9 -35:37:05 13.2 136 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 471155, (2025/03/04 19:53UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.91 160 Kap Sco 17:42:29.3 -39:01:49 2.4 7.83 142 Eta Sgr 18:17:37.4 -36:45:46 3.1 1.14 136 PPM 297465 18:15:49.9 -35:38:15 7.6 0.44 137 PPM 297502 18:17:24.5 -35:33:27 9.3 0.14 136 471155 18:17:58.5 -35:37:46 13.2 136 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:43:06 UT
Marc W. Buie, Southwest Research Institute