Event between (438028) 04EH96 and star GA0720:05298661 with event index number of 1124727
Geocentric closest approach at 2022/06/29 21:22:41 UTC
J2000 position of star is 14:46:23.7 -16:05:41
Equinox of date position of star is 14:47:37.7 -16:11:13
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 118 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=23.0
TNO is 31.7 AU from the Sun
and 31.1 AU from the Earth.
The TNO is moving 11.7
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 738 seconds.
The 1-sigma cross-track error in the shadow position is
3958 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=158.5 km assuming a 5% albedo -- 13.6 sec chord
Diameter=64.7 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 3:2E
Star training set for 438028, (2022/06/29 21:23UT) Object RA Dec mag sep mel Spica 13:26:22.9 -11:16:41 1.0 20.32 97 27Bet Lib 15:18:13.2 -09:27:52 2.6 10.03 122 5 Lib 14:47:12.4 -15:33:11 6.5 0.64 117 PPM 229276 14:47:57.9 -15:55:59 9.8 0.27 117 438028 14:47:38.6 -16:11:17 16.9 118 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 438028, (2022/06/29 21:23UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 20.32 97 27Bet Lib 15:17:00.3 -09:22:59 2.6 10.03 122 5 Lib 14:45:57.7 -15:27:34 6.5 0.64 117 PPM 229276 14:46:43.0 -15:50:23 9.8 0.27 117 438028 14:46:23.7 -16:05:41 16.9 117 Positions are for J2000
Event circumstances last updated at 2022/03/15 01:05:28 UT
Marc W. Buie, Southwest Research Institute