Event between (385437) 03GH55 and star GA0700:05881896 with event index number of 244586
Geocentric closest approach at 2020/01/28 02:30:44 UTC
J2000 position of star is 15:39:35.0 -18:32:55
Equinox of date position of star is 15:40:41.9 -18:36:38
Stellar brightness G=16.0,
use SENSEUP=128
Star is 107 degrees from the moon.
Moon is 10% illuminated.
TNO apparent brightness V=22.4
TNO is 41.1 AU from the Sun
and 41.5 AU from the Earth.
The TNO is moving 15.2
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 262 seconds.
The 1-sigma cross-track error in the shadow position is
1861 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=363.1 km assuming a 5% albedo -- 24.0 sec chord
Diameter=148.2 km assuming a 30% albedo -- 9.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 385437, (2020/01/28 02:31UT) Object RA Dec mag sep mel Antares 16:30:38.5 -26:28:29 0.9 13.94 93 8Bet1Sco 16:06:36.5 -19:51:32 2.6 6.23 100 41 Lib 15:40:04.1 -19:22:00 5.3 0.77 106 PPM 230484 15:38:22.4 -18:24:00 8.4 0.60 107 PPM 230569 15:41:37.5 -18:45:39 9.6 0.26 106 385437 15:40:44.1 -18:36:46 16.0 106 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, (2020/01/28 02:31UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.94 93 8Bet1Sco 16:05:26.2 -19:48:20 2.6 6.23 100 41 Lib 15:38:54.7 -19:18:08 5.3 0.77 106 PPM 230484 15:37:13.4 -18:20:06 8.4 0.60 107 PPM 230569 15:40:28.3 -18:41:49 9.6 0.26 106 385437 15:39:35.0 -18:32:55 16.0 107 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:12:37 UT
Marc W. Buie, Southwest Research Institute