Event between (120061) 03CO1 and star GA0580:44788723 with event index number of 2139050
Geocentric closest approach at 2025/05/27 17:24:40 UTC
J2000 position of star is 22:00:19.4 -30:53:32
Equinox of date position of star is 22:01:43.5 -30:46:30
Stellar brightness G=14.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 114 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=22.8
Object is 22.1 AU from the Sun
and 21.9 AU from the Earth.
Apparent velocity is 9.6
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 107 seconds.
The 1-sigma cross-track error in the shadow position is
2831 km.
The object has an absolute magnitude Hv=9.1
Diameter=93.3 km assuming a 5% albedo -- 9.6 sec chord
Diameter=38.1 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CENTAURR
Star training set for 120061, (2025/05/27 17:25UT) Object RA Dec mag sep mel Fomalhaut 22:59:02.8 -29:29:13 1.2 12.44 102 PPM 301991 21:57:24.1 -30:29:04 6.5 0.99 115 PPM 302075 22:01:24.0 -31:24:12 7.5 0.64 114 PPM 302071 22:01:20.9 -30:58:57 10.0 0.23 114 120061 22:01:47.6 -30:46:10 14.8 114 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 120061, (2025/05/27 17:25UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 12.44 102 PPM 301991 21:55:55.7 -30:36:22 6.5 0.99 115 PPM 302075 21:59:55.6 -31:31:33 7.5 0.64 114 PPM 302071 21:59:52.6 -31:06:18 10.0 0.23 114 120061 22:00:19.4 -30:53:32 14.8 114 Positions are for J2000
Event circumstances last updated at 2024/03/21 22:30:02 UT
Marc W. Buie, Southwest Research Institute