Event between 04HP79 and star GA0720:05650103 with event index number of 2578027
Geocentric closest approach at 2022/03/30 17:45:56 UTC
J2000 position of star is 15:43:16.0 -17:38:45
Equinox of date position of star is 15:44:32.1 -17:42:54
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 114 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=22.6
TNO is 38.9 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 14.5
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 776 seconds.
The 1-sigma cross-track error in the shadow position is
3537 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=293.8 km assuming a 5% albedo -- 20.3 sec chord
Diameter=119.9 km assuming a 30% albedo -- 8.3 sec chord
Dynamical classification is 2:1E
Star training set for 04HP79, (2022/03/30 17:46UT) Object RA Dec mag sep mel Antares 16:30:46.5 -26:28:46 0.9 13.82 101 8Bet1Sco 16:06:44.0 -19:51:52 2.6 5.68 108 41 Lib 15:40:11.6 -19:22:25 5.3 1.95 114 PPM 230662 15:45:13.1 -16:56:17 7.2 0.79 114 PPM 230638 15:44:20.7 -17:46:00 9.4 0.07 114 04HP79 15:44:32.3 -17:42:55 14.1 113 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 04HP79, (2022/03/30 17:46UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.82 101 8Bet1Sco 16:05:26.2 -19:48:20 2.6 5.68 108 41 Lib 15:38:54.7 -19:18:08 5.3 1.95 114 PPM 230662 15:43:57.2 -16:52:09 7.2 0.79 114 PPM 230638 15:43:04.5 -17:41:50 9.4 0.07 114 04HP79 15:43:16.0 -17:38:45 14.1 114 Positions are for J2000
Event circumstances last updated at 2022/03/13 02:12:02 UT
Marc W. Buie, Southwest Research Institute