Event between 01HA59 and star GA0700:05884739 with event index number of 211233
Geocentric closest approach at 2019/09/16 20:48:11 UTC
J2000 position of star is 15:39:53.6 -18:30:56
Equinox of date position of star is 15:41:00.5 -18:34:39
Stellar brightness G=15.6,
use SENSEUP=128
Star is 146 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=23.3
TNO is 45.8 AU from the Sun
and 46.3 AU from the Earth.
The TNO is moving 17.9
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 336 seconds.
The 1-sigma cross-track error in the shadow position is
2698 km.
The TNO has an absolute magnitude Hv=6.5
Diameter=299.2 km assuming a 5% albedo -- 16.7 sec chord
Diameter=122.2 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 01HA59, (2019/09/16 20:48UT) Object RA Dec mag sep mel Antares 16:30:37.1 -26:28:27 0.9 13.90 132 8Bet1Sco 16:06:35.2 -19:51:28 2.6 6.17 140 41 Lib 15:40:02.9 -19:21:56 5.3 0.82 146 PPM 230627 15:43:46.1 -18:40:08 7.9 0.66 145 PPM 230569 15:41:36.3 -18:45:34 9.6 0.23 146 01HA59 15:41:01.5 -18:34:42 15.6 146 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 01HA59, (2019/09/16 20:48UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.90 132 8Bet1Sco 16:05:26.2 -19:48:20 2.6 6.17 140 41 Lib 15:38:54.7 -19:18:08 5.3 0.82 146 PPM 230627 15:42:38.1 -18:36:26 7.9 0.66 145 PPM 230569 15:40:28.3 -18:41:49 9.6 0.23 146 01HA59 15:39:53.6 -18:30:56 15.6 146 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:40:01 UT
Marc W. Buie, Southwest Research Institute