Event between (471165) 10HE79 and star GA0700:06390921 with event index number of 186725
Geocentric closest approach at 2019/04/30 22:44:44 UTC
J2000 position of star is 16:23:00.0 -19:18:26
Equinox of date position of star is 16:24:06.9 -19:21:03
Stellar brightness G=14.8,
use SENSEUP=128
Star is 107 degrees from the moon.
Moon is 16% illuminated.
TNO apparent brightness V=20.8
TNO is 37.2 AU from the Sun
and 36.3 AU from the Earth.
The TNO is moving 21.5
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 188 seconds.
The 1-sigma cross-track error in the shadow position is
2083 km.
The TNO has an absolute magnitude Hv=5.1
Diameter=575.5 km assuming a 5% albedo -- 26.8 sec chord
Diameter=234.9 km assuming a 30% albedo -- 11.0 sec chord
Dynamical classification is CENTAURR
Star training set for 471165, (2019/04/30 22:45UT) Object RA Dec mag sep mel Antares 16:30:35.7 -26:28:24 0.9 7.28 104 8Bet1Sco 16:06:33.8 -19:51:25 2.6 4.17 111 4Psi Oph 16:25:14.2 -20:04:52 4.2 0.77 107 PPM 231543 16:21:20.1 -18:27:28 8.5 1.11 108 PPM 231599 16:23:07.4 -19:24:49 9.6 0.24 107 471165 16:24:07.7 -19:21:05 14.8 107 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 471165, (2019/04/30 22:45UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.28 104 8Bet1Sco 16:05:26.2 -19:48:20 2.6 4.17 111 4Psi Oph 16:24:06.1 -20:02:15 4.2 0.77 107 PPM 231543 16:20:12.8 -18:24:46 8.5 1.11 108 PPM 231599 16:21:59.7 -19:22:09 9.6 0.24 107 471165 16:23:00.0 -19:18:26 14.8 107 Positions are for J2000
Event circumstances last updated at 2019/02/12 07:30:20 UT
Marc W. Buie, Southwest Research Institute