Event between 10JG210 and star GA0900:05033761 with event index number of 1578642
Geocentric closest approach at 2021/02/08 22:02:31 UTC
J2000 position of star is 17:07:16.1 +00:14:02
Equinox of date position of star is 17:08:20.8 +00:12:26
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 38 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=21.8
TNO is 19.5 AU from the Sun
and 19.9 AU from the Earth.
The TNO is moving 22.5
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 43 seconds.
The 1-sigma cross-track error in the shadow position is
773 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=115.3 km assuming a 5% albedo -- 5.1 sec chord
Diameter=47.1 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 10JG210, (2021/02/08 22:03UT) Object RA Dec mag sep mel Antares 16:30:42.3 -26:28:37 0.9 28.18 35 60Bet Oph 17:44:31.0 +04:33:36 2.8 10.03 35 PPM 179990 17:06:37.6 -00:55:10 5.4 1.21 37 PPM 163619 17:11:20.2 +00:27:24 7.6 0.79 37 PPM 163587 17:09:52.5 +00:00:31 9.4 0.43 37 PPM 163533 17:07:52.1 +00:15:26 10.3 0.13 38 10JG210 17:08:20.9 +00:12:26 15.6 38 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 10JG210, (2021/02/08 22:03UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 28.18 35 60Bet Oph 17:43:28.3 +04:34:06 2.8 10.03 35 PPM 179990 17:05:32.2 -00:53:32 5.4 1.21 37 PPM 163619 17:10:15.6 +00:28:54 7.6 0.79 37 PPM 163587 17:08:47.6 +00:02:04 9.4 0.43 37 PPM 163533 17:06:47.3 +00:17:02 10.3 0.13 38 10JG210 17:07:16.1 +00:14:02 15.6 38 Positions are for J2000
Event circumstances last updated at 2021/01/18 21:24:36 UT
Marc W. Buie, Southwest Research Institute