Event between (548141) 10CD270 and star GA1000:03704142 with event index number of 2399726
Geocentric closest approach at 2026/12/14 07:39:54 UTC
J2000 position of star is 13:31:26.5 +10:11:01
Equinox of date position of star is 13:32:39.1 +10:03:32
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 121 degrees from the moon.
Moon is 23% illuminated.
Apparent brightness V=22.2
Object is 25.0 AU from the Sun
and 25.4 AU from the Earth.
Apparent velocity is 21.1
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 92 seconds.
The 1-sigma cross-track error in the shadow position is
1062 km.
The object has an absolute magnitude Hv=8.0
Diameter=145.2 km assuming a 5% albedo -- 7.1 sec chord
Diameter=59.3 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
Star training set for 548141, (2026/12/14 07:42UT) Object RA Dec mag sep mel Arcturus 14:16:53.9 +19:02:46 0.0 13.95 112 Vindemiatrix 13:03:31.2 +10:48:53 2.8 7.24 128 71 Vir 13:30:33.1 +10:40:46 6.1 0.84 121 PPM 129890 13:33:31.4 +10:00:34 9.4 0.19 120 PPM 129876 13:32:18.2 +10:05:14 11.2 0.12 121 548141 13:32:46.9 +10:02:44 16.6 120 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 548141, (2026/12/14 07:42UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:14 0.0 13.95 112 Vindemiatrix 13:02:10.2 +10:57:33 2.8 7.24 128 71 Vir 13:29:12.9 +10:49:05 6.1 0.84 121 PPM 129890 13:32:11.0 +10:08:50 9.4 0.19 120 PPM 129876 13:30:57.8 +10:13:31 11.2 0.12 121 548141 13:31:26.5 +10:11:01 16.6 121 Positions are for J2000
Event circumstances last updated at 2024/05/05 03:35:37 UT
Marc W. Buie, Southwest Research Institute