Event between (248835) 06SX368 and star GA1220:02479919 with event index number of 2298105
Geocentric closest approach at 2022/10/09 00:01:58 UTC
J2000 position of star is 06:06:36.7 +32:00:45
Equinox of date position of star is 06:08:05.6 +32:00:30
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 87 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.3
TNO is 18.2 AU from the Sun
and 17.9 AU from the Earth.
The TNO is moving 2.3
km/sec on the sky relative to the star, or,
0.6 arcsec/hr.
The 1-sigma error in the time of the event is 1555 seconds.
The 1-sigma cross-track error in the shadow position is
3249 km.
The TNO has an absolute magnitude Hv=9.4
Diameter=75.9 km assuming a 5% albedo -- 34.2 sec chord
Diameter=31.0 km assuming a 30% albedo -- 13.9 sec chord
Dynamical classification is CENTAURR
Star training set for 248835, (2022/10/09 00:02UT) Object RA Dec mag sep mel Pollux 07:46:42.4 +27:58:10 1.1 21.68 109 Alnath 05:27:44.0 +28:37:28 1.6 9.34 78 PPM 071342 06:13:49.6 +32:41:10 5.8 1.39 89 PPM 071236 06:08:40.4 +32:11:44 8.5 0.22 87 PPM 071207 06:07:27.3 +31:56:49 8.8 0.15 87 PPM 071225 06:08:06.0 +31:57:46 10.1 0.05 87 248835 06:08:05.7 +32:00:30 16.1 88 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 248835, (2022/10/09 00:02UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 21.68 109 Alnath 05:26:17.6 +28:36:23 1.6 9.34 78 PPM 071342 06:12:20.1 +32:41:36 5.8 1.39 89 PPM 071236 06:07:11.3 +32:12:00 8.5 0.22 87 PPM 071207 06:05:58.3 +31:57:02 8.8 0.15 87 PPM 071225 06:06:37.0 +31:58:00 10.1 0.05 87 248835 06:06:36.7 +32:00:45 16.1 87 Positions are for J2000
Event circumstances last updated at 2022/10/02 04:07:58 UT
Marc W. Buie, Southwest Research Institute