Event between (385437) 03GH55 and star GA0700:05922785 with event index number of 2374652
Geocentric closest approach at 2022/09/11 08:58:55 UTC
J2000 position of star is 15:44:00.1 -18:49:44
Equinox of date position of star is 15:45:15.4 -18:53:47
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 123 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.3
TNO is 41.2 AU from the Sun
and 41.6 AU from the Earth.
The TNO is moving 15.5
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 160 seconds.
The 1-sigma cross-track error in the shadow position is
1582 km.
The TNO has an absolute magnitude Hv=6.0
Diameter=382.0 km assuming a 5% albedo -- 24.7 sec chord
Diameter=155.9 km assuming a 30% albedo -- 10.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 385437, (2022/09/11 08:59UT) Object RA Dec mag sep mel Antares 16:30:48.2 -26:28:49 0.9 12.93 111 8Bet1Sco 16:06:45.6 -19:51:57 2.6 5.15 118 43Kap Lib 15:43:15.5 -19:45:03 4.7 0.98 123 PPM 230627 15:43:56.4 -18:40:41 7.9 0.39 124 PPM 230686 15:46:11.6 -18:49:16 9.5 0.22 123 PPM 230665 15:45:21.1 -18:59:58 10.1 0.10 123 385437 15:45:18.5 -18:53:57 16.7 123 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 385437, (2022/09/11 08:59UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 12.93 111 8Bet1Sco 16:05:26.2 -19:48:20 2.6 5.15 118 43Kap Lib 15:41:56.7 -19:40:46 4.7 0.98 123 PPM 230627 15:42:38.1 -18:36:26 7.9 0.39 124 PPM 230686 15:44:53.2 -18:45:04 9.5 0.22 123 PPM 230665 15:44:02.6 -18:55:45 10.1 0.10 123 385437 15:44:00.1 -18:49:44 16.7 123 Positions are for J2000
Event circumstances last updated at 2021/10/14 01:45:43 UT
Marc W. Buie, Southwest Research Institute