Event between (307251) 02KW14 and star GA0620:14562157 with event index number of 2295784
Geocentric closest approach at 2022/10/08 14:39:34 UTC
J2000 position of star is 17:12:07.2 -26:25:44
Equinox of date position of star is 17:13:32.0 -26:27:17
Stellar brightness G=13.7,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 100 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=22.0
TNO is 43.0 AU from the Sun
and 43.4 AU from the Earth.
The TNO is moving 18.0
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 666 seconds.
The 1-sigma cross-track error in the shadow position is
3637 km.
The TNO has an absolute magnitude Hv=5.5
Diameter=457.1 km assuming a 5% albedo -- 26.5 sec chord
Diameter=186.6 km assuming a 30% albedo -- 10.8 sec chord
Dynamical classification is SCATEXTD
Star training set for 307251, (2022/10/08 14:40UT) Object RA Dec mag sep mel Antares 16:30:48.4 -26:28:50 0.9 9.56 109 23Tau Sco 16:37:18.2 -28:15:41 2.8 8.24 107 PPM 266626 17:17:37.6 -26:34:36 6.5 0.92 99 PPM 266515 17:12:17.0 -26:28:42 8.5 0.28 100 PPM 266533 17:13:12.4 -26:27:55 9.1 0.07 100 307251 17:13:32.0 -26:27:17 13.7 99 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 307251, (2022/10/08 14:40UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.56 109 23Tau Sco 16:35:52.9 -28:12:58 2.8 8.24 107 PPM 266626 17:16:12.6 -26:33:11 6.5 0.92 99 PPM 266515 17:10:52.1 -26:27:06 8.5 0.28 100 PPM 266533 17:11:47.5 -26:26:21 9.1 0.07 100 307251 17:12:07.2 -26:25:44 13.7 100 Positions are for J2000
Event circumstances last updated at 2022/10/02 04:07:56 UT
Marc W. Buie, Southwest Research Institute