Event between (307251) 02KW14 and star GA0620:14390043 with event index number of 2295770
Geocentric closest approach at 2022/09/21 05:33:16 UTC
J2000 position of star is 17:11:17.7 -26:25:34
Equinox of date position of star is 17:12:40.4 -26:27:06
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 135 degrees from the moon.
Moon is 21% illuminated.
TNO apparent brightness V=22.1
TNO is 43.0 AU from the Sun
and 43.1 AU from the Earth.
The TNO is moving 9.7
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 1193 seconds.
The 1-sigma cross-track error in the shadow position is
4680 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 47.3 sec chord
Diameter=186.6 km assuming a 30% albedo -- 19.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 307251, (2022/09/21 05:33UT) Object RA Dec mag sep mel Antares 16:30:48.3 -26:28:50 0.9 9.37 126 23Tau Sco 16:37:18.1 -28:15:40 2.8 8.06 127 PPM 266416 17:08:17.9 -26:32:30 6.3 0.99 134 PPM 266515 17:12:16.8 -26:28:42 8.5 0.10 135 307251 17:12:42.3 -26:27:08 15.2 135 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, (2022/09/21 05:33UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 9.37 126 23Tau Sco 16:35:52.9 -28:12:58 2.8 8.06 127 PPM 266416 17:06:53.2 -26:30:47 6.3 0.99 134 PPM 266515 17:10:52.1 -26:27:06 8.5 0.10 135 307251 17:11:17.7 -26:25:34 15.2 135 Positions are for J2000
Event circumstances last updated at 2022/03/16 00:58:22 UT
Marc W. Buie, Southwest Research Institute