Event between (552678) 10JG210 and star GA0760:22280840 with event index number of 2225256
Geocentric closest approach at 2028/10/13 11:13:21 UTC
J2000 position of star is 19:24:08.0 -13:16:47
Equinox of date position of star is 19:25:25.2 -13:14:01
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 154 degrees from the moon.
Moon is 29% illuminated.
TNO apparent brightness V=21.2
TNO is 17.2 AU from the Sun
and 17.2 AU from the Earth.
The TNO is moving 11.5
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 300 seconds.
The 1-sigma cross-track error in the shadow position is
3105 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=114.3 km assuming a 5% albedo -- 10.3 sec chord
Diameter=46.7 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CENTAURR
Star training set for 552678, (2028/10/13 11:22UT) Object RA Dec mag sep mel Antares 16:31:10.6 -26:29:36 0.9 42.90 113 Nunki 18:57:02.9 -26:15:29 2.0 14.67 146 PPM 235970 19:26:59.1 -13:50:17 5.6 0.69 154 PPM 235932 19:25:09.4 -13:12:13 8.4 0.15 154 552678 19:25:44.9 -13:13:18 15.7 154 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, (2028/10/13 11:22UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 42.90 113 Nunki 18:55:15.9 -26:17:49 2.0 14.67 146 PPM 235970 19:25:21.7 -13:53:48 5.6 0.69 154 PPM 235932 19:23:32.5 -13:15:41 8.4 0.15 154 552678 19:24:08.0 -13:16:47 15.7 154 Positions are for J2000
Event circumstances last updated at 2022/12/06 03:06:35 UT
Marc W. Buie, Southwest Research Institute