Event between 12UP177 and star GA1180:00357210 with event index number of 314166
Geocentric closest approach at 2019/09/08 23:36:14 UTC
J2000 position of star is 02:30:50.1 +29:46:15
Equinox of date position of star is 02:31:58.9 +29:51:23
Stellar brightness G=12.9,
use SENSEUP=32
Star is 115 degrees from the moon.
Moon is 77% illuminated.
TNO apparent brightness V=24.3
TNO is 40.6 AU from the Sun
and 40.1 AU from the Earth.
The TNO is moving 12.1
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 716 seconds.
The 1-sigma cross-track error in the shadow position is
2356 km.
The TNO has an absolute magnitude Hv=8.1
Diameter=143.9 km assuming a 5% albedo -- 11.9 sec chord
Diameter=58.7 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 12UP177, (2019/09/08 23:36UT) Object RA Dec mag sep mel Aldebaran 04:37:03.2 +16:32:50 0.8 31.52 140 Hamal 02:08:17.3 +23:33:17 2.0 8.23 108 13 Tri 02:29:58.1 +30:01:09 6.5 0.47 115 PPM 091712 02:29:55.6 +29:46:27 8.0 0.46 115 PPM 091751 02:32:28.9 +30:00:25 10.0 0.18 115 12UP177 02:31:59.8 +29:51:27 12.9 115 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 12UP177, (2019/09/08 23:36UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 31.52 140 Hamal 02:07:10.7 +23:27:42 2.0 8.23 108 13 Tri 02:28:48.4 +29:55:56 6.5 0.47 115 PPM 091712 02:28:45.9 +29:41:13 8.0 0.46 115 PPM 091751 02:31:19.0 +29:55:14 10.0 0.18 115 12UP177 02:30:50.1 +29:46:15 12.9 115 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:38:46 UT
Marc W. Buie, Southwest Research Institute