Event between 11HN104 and star GA0840:06151598 with event index number of 2118965
Geocentric closest approach at 2022/06/05 02:21:09 UTC
J2000 position of star is 17:40:35.3 -05:43:09
Equinox of date position of star is 17:41:46.5 -05:43:46
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 125 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=22.8
TNO is 30.2 AU from the Sun
and 29.2 AU from the Earth.
The TNO is moving 22.9
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 176 seconds.
The 1-sigma cross-track error in the shadow position is
1146 km.
The TNO has an absolute magnitude Hv=8.0
Diameter=149.3 km assuming a 5% albedo -- 6.5 sec chord
Diameter=60.9 km assuming a 30% albedo -- 2.7 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 11HN104, (2022/06/05 02:21UT) Object RA Dec mag sep mel Antares 16:30:47.2 -26:28:47 0.9 26.78 114 60Bet Oph 17:44:34.9 +04:33:34 2.8 10.31 121 PPM 200792 17:34:41.8 -05:45:34 5.6 1.76 123 PPM 200901 17:40:15.3 -05:31:31 8.3 0.43 124 PPM 200929 17:41:50.8 -05:50:18 9.4 0.11 125 11HN104 17:41:47.2 -05:43:46 15.8 125 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 11HN104, (2022/06/05 02:21UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 26.78 114 60Bet Oph 17:43:28.3 +04:34:06 2.8 10.31 121 PPM 200792 17:33:29.8 -05:44:43 5.6 1.76 123 PPM 200901 17:39:03.4 -05:30:51 8.3 0.43 124 PPM 200929 17:40:38.8 -05:49:41 9.4 0.11 125 11HN104 17:40:35.3 -05:43:09 15.8 125 Positions are for J2000
Event circumstances last updated at 2022/03/14 01:02:51 UT
Marc W. Buie, Southwest Research Institute