Event between (143685) 03SS317 and star GA1000:00224028 with event index number of 208979
Geocentric closest approach at 2019/09/02 20:47:21 UTC
J2000 position of star is 02:33:22.6 +10:58:04
Equinox of date position of star is 02:34:25.5 +11:03:09
Stellar brightness G=12.2,
use SENSEUP=16
Star is 169 degrees from the moon.
Moon is 17% illuminated.
TNO apparent brightness V=22.5
TNO is 28.3 AU from the Sun
and 27.8 AU from the Earth.
The TNO is moving 9.4
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 371 seconds.
The 1-sigma cross-track error in the shadow position is
1672 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=166.0 km assuming a 5% albedo -- 17.7 sec chord
Diameter=67.8 km assuming a 30% albedo -- 7.2 sec chord
Dynamical classification is 4:3E
Star training set for 143685, (2019/09/02 20:47UT) Object RA Dec mag sep mel Aldebaran 04:37:03.1 +16:32:50 0.8 30.24 139 Menkar 03:03:18.6 +04:09:57 2.5 9.93 162 PPM 118239 02:28:26.4 +10:17:05 6.4 1.66 170 PPM 118344 02:35:29.9 +11:41:24 6.7 0.69 168 PPM 118308 02:32:59.0 +11:11:47 9.8 0.38 169 PPM 118325 02:34:06.5 +10:46:49 11.0 0.28 169 143685 02:34:26.3 +11:03:13 12.2 169 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 143685, (2019/09/02 20:47UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 30.24 139 Menkar 03:02:16.8 +04:05:21 2.5 9.93 162 PPM 118239 02:27:23.0 +10:11:50 6.4 1.66 170 PPM 118344 02:34:26.0 +11:36:17 6.7 0.69 168 PPM 118308 02:31:55.3 +11:06:36 9.8 0.38 169 PPM 118325 02:33:02.9 +10:41:40 11.0 0.28 169 143685 02:33:22.6 +10:58:04 12.2 169 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:37:40 UT
Marc W. Buie, Southwest Research Institute