Event between 04HX78 and star GA0780:09502577 with event index number of 2011513
Geocentric closest approach at 2024/06/05 01:31:00 UTC
J2000 position of star is 18:07:17.2 -11:58:51
Equinox of date position of star is 18:08:37.3 -11:58:34
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 141 degrees from the moon.
Moon is 3% illuminated.
Apparent brightness V=23.2
Object is 33.8 AU from the Sun
and 32.8 AU from the Earth.
Apparent velocity is 22.8
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 334 seconds.
The 1-sigma cross-track error in the shadow position is
2893 km.
The object has an absolute magnitude Hv=7.9
Diameter=159.2 km assuming a 5% albedo -- 7.0 sec chord
Diameter=65.0 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 3:2E
Star training set for 04HX78, (2024/06/05 01:31UT) Object RA Dec mag sep mel Antares 16:30:54.6 -26:29:03 0.9 27.17 166 35Eta Oph 17:11:46.9 -15:45:12 2.6 14.31 155 PPM 234113 18:11:06.6 -13:55:42 6.4 2.04 141 PPM 234090 18:10:21.8 -11:44:17 8.2 0.48 141 PPM 234042 18:07:55.8 -11:55:29 9.8 0.18 141 04HX78 18:08:39.3 -11:58:34 15.5 141 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 04HX78, (2024/06/05 01:31UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.17 166 35Eta Oph 17:10:22.7 -15:43:29 2.6 14.31 155 PPM 234113 18:09:43.4 -13:56:04 6.4 2.04 141 PPM 234090 18:08:59.9 -11:44:38 8.2 0.48 141 PPM 234042 18:06:33.8 -11:55:44 9.8 0.18 141 04HX78 18:07:17.2 -11:58:51 15.5 141 Positions are for J2000
Event circumstances last updated at 2023/11/04 04:12:49 UT
Marc W. Buie, Southwest Research Institute