Event between (612141) 99XY143 and star GA1060:02934997 with event index number of 2806259
Geocentric closest approach at 2026/11/12 04:53:14 UTC
J2000 position of star is 07:25:25.2 +17:54:03
Equinox of date position of star is 07:26:45.8 +17:51:13
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 151 degrees from the moon.
Moon is 8% illuminated.
Apparent brightness V=22.9
Object is 45.3 AU from the Sun
and 44.8 AU from the Earth.
Apparent velocity is 11.0
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 1061 seconds.
The 1-sigma cross-track error in the shadow position is
4219 km.
The object has an absolute magnitude Hv=6.2
Diameter=348.3 km assuming a 5% albedo -- 31.8 sec chord
Diameter=142.2 km assuming a 30% albedo -- 13.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 612141, (2026/11/12 04:56UT) Object RA Dec mag sep mel Pollux 07:46:57.6 +27:57:33 1.1 11.11 149 PPM 124127 07:33:21.2 +17:01:36 5.4 1.73 149 PPM 123996 07:27:27.7 +18:05:33 7.9 0.27 151 PPM 123972 07:26:23.3 +18:01:27 8.6 0.23 151 612141 07:26:58.6 +17:50:45 16.5 150 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 612141, (2026/11/12 04:56UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 11.11 149 PPM 124127 07:31:48.5 +17:05:08 5.4 1.73 149 PPM 123996 07:25:54.1 +18:08:51 7.9 0.27 151 PPM 123972 07:24:49.8 +18:04:43 8.6 0.23 151 612141 07:25:25.2 +17:54:03 16.5 151 Positions are for J2000
Event circumstances last updated at 2023/03/04 04:13:21 UT
Marc W. Buie, Southwest Research Institute