Event between (578847) 14GJ65 and star GA0860:06572761 with event index number of 2553781
Geocentric closest approach at 2025/10/06 07:12:30 UTC
J2000 position of star is 17:56:53.6 -03:30:48
Equinox of date position of star is 17:58:02.8 -03:30:53
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 92 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.7
TNO is 40.1 AU from the Sun
and 40.3 AU from the Earth.
The TNO is moving 17.5
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 325 seconds.
The 1-sigma cross-track error in the shadow position is
5650 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=299.2 km assuming a 5% albedo -- 17.1 sec chord
Diameter=122.2 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is SCATEXTD
Star training set for 578847, (2025/10/06 07:13UT) Object RA Dec mag sep mel Antares 16:30:59.5 -26:29:13 0.9 31.05 112 60Bet Oph 17:44:44.8 +04:33:30 2.8 8.75 95 PPM 201226 17:58:09.4 -04:05:00 5.2 0.57 92 PPM 201191 17:55:51.2 -03:27:59 7.6 0.60 92 PPM 201244 17:59:21.9 -03:15:53 9.9 0.37 91 PPM 201231 17:58:26.1 -03:26:28 10.1 0.09 92 578847 17:58:14.9 -03:30:54 16.1 91 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 578847, (2025/10/06 07:13UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 31.05 112 60Bet Oph 17:43:28.3 +04:34:06 2.8 8.75 95 PPM 201226 17:56:47.8 -04:04:55 5.2 0.57 92 PPM 201191 17:54:29.9 -03:27:48 7.6 0.60 92 PPM 201244 17:58:00.7 -03:15:50 9.9 0.37 91 PPM 201231 17:57:04.8 -03:26:23 10.1 0.09 92 578847 17:56:53.6 -03:30:48 16.1 92 Positions are for J2000
Event circumstances last updated at 2021/11/27 00:42:58 UT
Marc W. Buie, Southwest Research Institute