Event between 09KN30 and star GA0660:34081525 with event index number of 2073551
Geocentric closest approach at 2022/07/05 11:21:11 UTC
J2000 position of star is 18:42:04.3 -23:30:15
Equinox of date position of star is 18:43:25.2 -23:28:52
Stellar brightness G=14.2,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 106 degrees from the moon.
Moon is 34% illuminated.
TNO apparent brightness V=23.2
TNO is 34.7 AU from the Sun
and 33.7 AU from the Earth.
The TNO is moving 23.3
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 447 seconds.
The 1-sigma cross-track error in the shadow position is
2886 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=164.4 km assuming a 5% albedo -- 7.0 sec chord
Diameter=67.1 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is 7:2EEEEE
Star training set for 09KN30, (2022/07/05 11:21UT) Object RA Dec mag sep mel Antares 16:30:47.5 -26:28:48 0.9 30.13 76 Nunki 18:56:39.6 -26:16:00 2.0 4.09 108 26 Sgr 18:43:13.9 -23:48:37 6.2 0.33 105 PPM 268772 18:43:36.2 -23:16:11 7.7 0.21 106 09KN30 18:43:26.3 -23:28:51 14.2 106 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 09KN30, (2022/07/05 11:21UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 30.13 76 Nunki 18:55:15.9 -26:17:49 2.0 4.09 108 26 Sgr 18:41:51.7 -23:50:01 6.2 0.33 105 PPM 268772 18:42:14.3 -23:17:35 7.7 0.21 106 09KN30 18:42:04.3 -23:30:15 14.2 105 Positions are for J2000
Event circumstances last updated at 2022/03/14 01:05:12 UT
Marc W. Buie, Southwest Research Institute