Event between 04HX78 and star GA0760:08817479 with event index number of 2010717
Geocentric closest approach at 2021/06/14 14:15:24 UTC
J2000 position of star is 17:42:00.0 -13:12:49
Equinox of date position of star is 17:43:12.4 -13:13:22
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 133 degrees from the moon.
Moon is 16% illuminated.
TNO apparent brightness V=23.4
TNO is 33.6 AU from the Sun
and 32.6 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 223 seconds.
The 1-sigma cross-track error in the shadow position is
1694 km.
The TNO has an absolute magnitude Hv=8.2
Diameter=140.0 km assuming a 5% albedo -- 5.8 sec chord
Diameter=57.1 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is 3:2E
Star training set for 04HX78, (2021/06/14 14:15UT) Object RA Dec mag sep mel Antares 16:30:43.6 -26:28:40 0.9 21.54 120 35Eta Oph 17:11:36.6 -15:45:00 2.6 8.05 126 56Omi Ser 17:42:37.3 -12:53:06 4.4 0.37 133 PPM 233465 17:42:58.3 -13:19:27 8.0 0.12 133 PPM 233467 17:43:00.3 -13:08:52 9.2 0.09 133 04HX78 17:43:12.6 -13:13:22 15.4 133 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, (2021/06/14 14:15UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 21.54 120 35Eta Oph 17:10:22.7 -15:43:29 2.6 8.05 126 56Omi Ser 17:41:24.8 -12:52:32 4.4 0.37 133 PPM 233465 17:41:45.6 -13:18:54 8.0 0.12 133 PPM 233467 17:41:47.7 -13:08:19 9.2 0.09 133 04HX78 17:42:00.0 -13:12:49 15.4 133 Positions are for J2000
Event circumstances last updated at 2021/05/17 01:03:05 UT
Marc W. Buie, Southwest Research Institute