Event between (143685) 03SS317 and star GA1000:00221766 with event index number of 212397
Geocentric closest approach at 2019/09/26 14:31:09 UTC
J2000 position of star is 02:31:55.0 +10:47:29
Equinox of date position of star is 02:32:54.7 +10:52:20
Stellar brightness G=16.1,
use SENSEUP=128
Star is 114 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=22.4
TNO is 28.3 AU from the Sun
and 27.5 AU from the Earth.
The TNO is moving 18.2
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is
1318 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=166.0 km assuming a 5% albedo -- 9.1 sec chord
Diameter=67.8 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is 4:3E
Star training set for 143685, (2019/09/26 14:31UT) Object RA Dec mag sep mel Aldebaran 04:37:03.3 +16:32:51 0.8 30.63 83 Menkar 03:03:18.8 +04:09:58 2.5 10.07 108 PPM 118239 02:28:26.6 +10:17:06 6.4 1.26 115 PPM 118344 02:35:30.1 +11:41:25 6.7 1.02 113 PPM 118308 02:32:59.2 +11:11:48 9.8 0.32 113 PPM 118299 02:32:24.8 +10:50:01 10.6 0.15 114 143685 02:32:58.9 +10:52:40 16.1 113 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, (2019/09/26 14:31UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 30.63 83 Menkar 03:02:16.8 +04:05:21 2.5 10.07 108 PPM 118239 02:27:23.0 +10:11:50 6.4 1.26 115 PPM 118344 02:34:26.0 +11:36:17 6.7 1.02 113 PPM 118308 02:31:55.3 +11:06:36 9.8 0.32 113 PPM 118299 02:31:21.0 +10:44:49 10.6 0.15 114 143685 02:31:55.0 +10:47:29 16.1 114 Positions are for J2000
Event circumstances last updated at 2018/06/12 07:45:33 UT
Marc W. Buie, Southwest Research Institute