Event between (552678) 10JG210 and star GA0800:14949313 with event index number of 2223395
Geocentric closest approach at 2026/03/27 01:09:43 UTC
J2000 position of star is 18:51:53.3 -08:02:39
Equinox of date position of star is 18:53:07.7 -08:00:55
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 159 degrees from the moon.
Moon is 64% illuminated.
TNO apparent brightness V=21.3
TNO is 17.7 AU from the Sun
and 17.8 AU from the Earth.
The TNO is moving 12.7
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 202 seconds.
The 1-sigma cross-track error in the shadow position is
1592 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=114.3 km assuming a 5% albedo -- 9.3 sec chord
Diameter=46.7 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is CENTAURR
Star training set for 552678, (2026/03/27 01:13UT) Object RA Dec mag sep mel Antares 16:31:01.2 -26:29:16 0.9 38.46 137 Nunki 18:56:53.4 -26:15:42 2.0 18.27 170 Eps Sct 18:44:57.0 -08:14:50 4.9 2.08 158 PPM 202192 18:51:45.5 -07:52:31 6.6 0.41 159 PPM 202204 18:52:11.9 -07:56:52 8.9 0.28 159 552678 18:53:18.7 -08:00:39 16.6 159 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 552678, (2026/03/27 01:13UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 38.46 137 Nunki 18:55:15.9 -26:17:49 2.0 18.27 170 Eps Sct 18:43:31.3 -08:16:31 4.9 2.08 158 PPM 202192 18:50:20.1 -07:54:28 6.6 0.41 159 PPM 202204 18:50:46.4 -07:58:49 8.9 0.28 159 552678 18:51:53.3 -08:02:39 16.6 159 Positions are for J2000
Event circumstances last updated at 2022/11/01 01:44:02 UT
Marc W. Buie, Southwest Research Institute