Event between 03HM57 and star GA0580:09010609 with event index number of 161824
Geocentric closest approach at 2018/07/05 13:25:27 UTC
J2000 position of star is 16:13:17.8 -30:37:01
Equinox of date position of star is 16:14:27.5 -30:39:46
Stellar brightness G=13.2,
use SENSEUP=32
Star is 116 degrees from the moon.
Moon is 58% illuminated.
TNO apparent brightness V=20.9
TNO is 16.8 AU from the Sun
and 16.0 AU from the Earth.
The TNO is moving 15.4
km/sec on the sky relative to the star, or,
4.8 arcsec/hr.
The 1-sigma error in the time of the event is 308 seconds.
The 1-sigma cross-track error in the shadow position is
4786 km.
The TNO has an absolute magnitude Hv=8.5
Diameter=119.7 km assuming a 5% albedo -- 7.7 sec chord
Diameter=48.9 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
Star training set for 03HM57, (2018/07/05 13:25UT) Object RA Dec mag sep mel Antares 16:30:32.7 -26:28:18 0.9 5.48 114 23Tau Sco 16:37:02.3 -28:15:10 2.8 5.47 112 PPM 265228 16:12:11.3 -29:27:49 5.2 1.30 117 PPM 294793 16:13:49.5 -30:11:54 8.5 0.48 117 PPM 294803 16:14:10.5 -30:33:57 9.8 0.12 116 03HM57 16:14:27.9 -30:39:46 13.2 116 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 03HM57, (2018/07/05 13:25UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 5.48 114 23Tau Sco 16:35:53.0 -28:12:58 2.8 5.47 112 PPM 265228 16:11:01.9 -29:25:00 5.2 1.30 117 PPM 294793 16:12:39.7 -30:09:08 8.5 0.48 117 PPM 294803 16:13:00.6 -30:31:11 9.8 0.12 116 03HM57 16:13:17.8 -30:37:01 13.2 116 Positions are for J2000
Event circumstances last updated at 2018/06/05 16:12:55 UT
Marc W. Buie, Southwest Research Institute