Event between (307251) 02KW14 and star GA0620:16044968 with event index number of 2295582
Geocentric closest approach at 2022/02/11 05:14:17 UTC
J2000 position of star is 17:18:53.9 -26:24:25
Equinox of date position of star is 17:20:15.6 -26:25:42
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 179 degrees from the moon.
Moon is 74% illuminated.
TNO apparent brightness V=22.1
TNO is 42.9 AU from the Sun
and 43.3 AU from the Earth.
The TNO is moving 19.4
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 586 seconds.
The 1-sigma cross-track error in the shadow position is
4430 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 23.5 sec chord
Diameter=186.6 km assuming a 30% albedo -- 9.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 307251, (2022/02/11 05:14UT) Object RA Dec mag sep mel Antares 16:30:46.0 -26:28:45 0.9 11.08 168 23Tau Sco 16:37:15.8 -28:15:36 2.8 9.72 170 PPM 266626 17:17:35.1 -26:34:34 6.5 0.62 178 PPM 266692 17:21:23.5 -26:37:50 8.4 0.32 179 PPM 266659 17:19:41.8 -26:20:14 9.2 0.16 179 307251 17:20:16.3 -26:25:43 16.9 179 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, (2022/02/11 05:14UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 11.08 168 23Tau Sco 16:35:52.9 -28:12:58 2.8 9.72 170 PPM 266626 17:16:12.6 -26:33:11 6.5 0.62 178 PPM 266692 17:20:00.9 -26:36:34 8.4 0.32 179 PPM 266659 17:18:19.4 -26:18:55 9.2 0.16 179 307251 17:18:53.9 -26:24:25 16.9 179 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:03:50 UT
Marc W. Buie, Southwest Research Institute