Event between (552678) 10JG210 and star GA0780:18014107 with event index number of 2224843
Geocentric closest approach at 2027/10/22 15:24:51 UTC
J2000 position of star is 19:01:40.2 -11:35:47
Equinox of date position of star is 19:02:56.6 -11:33:44
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 163 degrees from the moon.
Moon is 51% illuminated.
TNO apparent brightness V=21.2
TNO is 17.4 AU from the Sun
and 17.6 AU from the Earth.
The TNO is moving 17.6
km/sec on the sky relative to the star, or,
5.0 arcsec/hr.
The 1-sigma error in the time of the event is 181 seconds.
The 1-sigma cross-track error in the shadow position is
1615 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=114.3 km assuming a 5% albedo -- 6.7 sec chord
Diameter=46.7 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is CENTAURR
Star training set for 552678, (2027/10/22 15:29UT) Object RA Dec mag sep mel Antares 16:31:07.0 -26:29:28 0.9 38.73 132 Nunki 18:56:59.2 -26:15:34 2.0 14.78 164 PPM 235666 19:14:48.7 -12:14:01 5.2 2.92 165 PPM 235426 19:04:45.5 -11:08:50 7.6 0.56 163 PPM 235383 19:03:25.3 -11:27:46 9.4 0.10 163 552678 19:03:13.0 -11:33:17 16.9 163 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, (2027/10/22 15:29UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 38.73 132 Nunki 18:55:15.9 -26:17:49 2.0 14.78 164 PPM 235666 19:13:15.6 -12:16:58 5.2 2.92 165 PPM 235426 19:03:12.9 -11:11:23 7.6 0.56 163 PPM 235383 19:01:52.5 -11:30:17 9.4 0.10 163 552678 19:01:40.2 -11:35:47 16.9 163 Positions are for J2000
Event circumstances last updated at 2022/11/23 03:45:24 UT
Marc W. Buie, Southwest Research Institute