Event between 11HN104 and star GA0820:07510783 with event index number of 2119205
Geocentric closest approach at 2024/04/19 12:02:14 UTC
J2000 position of star is 18:03:13.3 -06:27:05
Equinox of date position of star is 18:04:30.2 -06:26:57
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 83% illuminated.
Apparent brightness V=23.0
Object is 30.6 AU from the Sun
and 30.2 AU from the Earth.
Apparent velocity is 10.7
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 385 seconds.
The 1-sigma cross-track error in the shadow position is
4904 km.
The object has an absolute magnitude Hv=8.0
Diameter=149.3 km assuming a 5% albedo -- 13.9 sec chord
Diameter=60.9 km assuming a 30% albedo -- 5.7 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 11HN104, (2024/04/19 12:02UT) Object RA Dec mag sep mel Antares 16:30:54.1 -26:29:02 0.9 29.97 89 60Bet Oph 17:44:40.4 +04:33:32 2.8 12.07 101 PPM 201278 18:00:54.2 -04:49:17 5.8 1.86 107 PPM 201323 18:03:40.9 -05:44:01 8.0 0.75 108 PPM 201326 18:03:55.1 -06:19:13 9.2 0.20 108 11HN104 18:04:31.7 -06:26:57 17.0 109 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, (2024/04/19 12:02UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 29.97 89 60Bet Oph 17:43:28.3 +04:34:06 2.8 12.07 101 PPM 201278 17:59:36.8 -04:49:18 5.8 1.86 107 PPM 201323 18:02:22.9 -05:44:08 8.0 0.75 108 PPM 201326 18:02:36.8 -06:19:20 9.2 0.20 108 11HN104 18:03:13.3 -06:27:05 17.0 108 Positions are for J2000
Event circumstances last updated at 2023/11/04 04:10:48 UT
Marc W. Buie, Southwest Research Institute