Event between 10PU75 and star UC4-331-209421 with event index number of 153120
Geocentric closest approach at 2017/08/02 17:11:49 UTC
J2000 position of star is 21:13:09.2 -23:58:08
Equinox of date position of star is 21:14:09.4 -23:53:47
Stellar brightness R=16.1,
use SENSEUP=128
Star is 60 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=21.4
TNO is 36.8 AU from the Sun
and 35.8 AU from the Earth.
The TNO is moving 23.2
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 368 seconds.
The 1-sigma cross-track error in the shadow position is
3636 km.
The TNO has an absolute magnitude Hv=5.8
Diameter=413.1 km assuming a 5% albedo -- 17.8 sec chord
Diameter=168.6 km assuming a 30% albedo -- 7.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 10PU75, (2017/08/02 17:12UT) Object RA Dec mag sep mel Fomalhaut 22:58:37.1 -29:31:43 1.2 23.94 82 24 Cap 21:08:09.2 -24:56:04 4.5 1.72 59 PPM 272184 21:13:03.8 -24:02:55 8.4 0.30 60 PPM 272209 21:14:13.7 -24:01:33 9.7 0.13 60 10PU75 21:14:10.2 -23:53:44 16.1 60 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 10PU75, (2017/08/02 17:12UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 23.94 82 24 Cap 21:07:07.7 -25:00:22 4.5 1.72 59 PPM 272184 21:12:02.7 -24:07:18 8.4 0.30 60 PPM 272209 21:13:12.7 -24:05:56 9.7 0.13 60 10PU75 21:13:09.2 -23:58:08 16.1 60 Positions are for J2000
Event circumstances last updated at 2017/05/15 18:01:30 UT
Marc W. Buie, Southwest Research Institute