Event between 00JF81 and star GA0700:06312802 with event index number of 211197
Geocentric closest approach at 2019/09/24 05:02:46 UTC
J2000 position of star is 16:17:41.5 -19:44:32
Equinox of date position of star is 16:18:49.7 -19:47:19
Stellar brightness G=11.8,
use SENSEUP=8
Star is 129 degrees from the moon.
Moon is 28% illuminated.
TNO apparent brightness V=23.7
TNO is 43.5 AU from the Sun
and 43.9 AU from the Earth.
The TNO is moving 17.4
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 1062 seconds.
The 1-sigma cross-track error in the shadow position is
4464 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=221.8 km assuming a 5% albedo -- 12.7 sec chord
Diameter=90.6 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 00JF81, (2019/09/24 05:03UT) Object RA Dec mag sep mel Antares 16:30:37.2 -26:28:27 0.9 7.21 132 8Bet1Sco 16:06:35.2 -19:51:29 2.6 2.88 126 PPM 265352 16:18:08.6 -20:09:06 6.5 0.40 128 PPM 231493 16:19:45.7 -19:49:52 8.8 0.22 129 00JF81 16:18:50.7 -19:47:22 11.8 129 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 00JF81, (2019/09/24 05:03UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.21 132 8Bet1Sco 16:05:26.2 -19:48:20 2.6 2.88 126 PPM 265352 16:16:59.2 -20:06:15 6.5 0.40 128 PPM 231493 16:18:36.5 -19:47:04 8.8 0.22 129 00JF81 16:17:41.5 -19:44:32 11.8 128 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:41:11 UT
Marc W. Buie, Southwest Research Institute