Event between (552678) 10JG210 and star GA0880:05613468 with event index number of 2222117
Geocentric closest approach at 2022/03/13 23:07:03 UTC
J2000 position of star is 17:28:49.8 -01:00:36
Equinox of date position of star is 17:29:57.3 -01:01:34
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 132 degrees from the moon.
Moon is 81% illuminated.
TNO apparent brightness V=21.7
TNO is 19.1 AU from the Sun
and 19.0 AU from the Earth.
The TNO is moving 11.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 74 seconds.
The 1-sigma cross-track error in the shadow position is
833 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=113.2 km assuming a 5% albedo -- 9.9 sec chord
Diameter=46.2 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is CENTAURR
Star training set for 552678, (2022/03/13 23:07UT) Object RA Dec mag sep mel Antares 16:30:46.3 -26:28:46 0.9 29.16 128 60Bet Oph 17:44:34.2 +04:33:35 2.8 6.67 132 PPM 180083 17:31:32.4 -01:04:46 6.2 0.39 133 552678 17:29:58.6 -01:01:35 16.9 133 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, (2022/03/13 23:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 29.16 128 60Bet Oph 17:43:28.3 +04:34:06 2.8 6.67 132 PPM 180083 17:30:23.6 -01:03:50 6.2 0.39 133 552678 17:28:49.8 -01:00:36 16.9 132 Positions are for J2000
Event circumstances last updated at 2021/10/12 02:05:21 UT
Marc W. Buie, Southwest Research Institute