Event between (385437) 03GH55 and star GA0700:05830819 with event index number of 177653
Geocentric closest approach at 2019/01/23 19:39:38 UTC
J2000 position of star is 15:33:38.6 -18:11:55
Equinox of date position of star is 15:34:43.4 -18:15:40
Stellar brightness G=16.6,
use SENSEUP=128
Star is 75 degrees from the moon.
Moon is 90% 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 16.4
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 186 seconds.
The 1-sigma cross-track error in the shadow position is
1652 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=363.1 km assuming a 5% albedo -- 22.1 sec chord
Diameter=148.2 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 385437, (2019/01/23 19:40UT) Object RA Dec mag sep mel Antares 16:30:34.8 -26:28:22 0.9 15.28 90 7Del Sco 16:01:27.8 -22:40:28 2.3 7.66 83 35Zet4Lib 15:34:00.0 -16:54:59 5.6 1.36 75 PPM 230414 15:35:03.7 -17:31:26 8.4 0.74 75 PPM 230433 15:35:42.4 -18:08:50 9.5 0.26 75 385437 15:34:43.9 -18:15:42 16.6 76 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, (2019/01/23 19:40UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.28 90 7Del Sco 16:00:20.0 -22:37:18 2.3 7.66 83 35Zet4Lib 15:32:55.2 -16:51:11 5.6 1.36 75 PPM 230414 15:33:58.6 -17:27:39 8.4 0.74 75 PPM 230433 15:34:37.0 -18:05:04 9.5 0.26 75 385437 15:33:38.6 -18:11:55 16.6 75 Positions are for J2000
Event circumstances last updated at 2018/12/04 05:10:59 UT
Marc W. Buie, Southwest Research Institute