Event between (523760) 14WQ509 and star GA1200:02899835 with event index number of 348708
Geocentric closest approach at 2019/02/25 22:48:05 UTC
J2000 position of star is 07:08:46.7 +31:36:42
Equinox of date position of star is 07:10:00.4 +31:34:48
Stellar brightness G=15.6,
use SENSEUP=128
Star is 134 degrees from the moon.
Moon is 56% illuminated.
TNO apparent brightness V=22.2
TNO is 43.5 AU from the Sun
and 42.9 AU from the Earth.
The TNO is moving 15.0
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 235 seconds.
The 1-sigma cross-track error in the shadow position is
1571 km.
The TNO has an absolute magnitude Hv=5.7
Diameter=436.5 km assuming a 5% albedo -- 29.1 sec chord
Diameter=178.2 km assuming a 30% albedo -- 11.9 sec chord
Dynamical classification is 3:2E
Star training set for 523760, (2019/02/25 22:48UT) Object RA Dec mag sep mel Pollux 07:46:29.1 +27:58:42 1.1 8.69 127 46Tau Gem 07:12:21.4 +30:12:44 5.5 1.46 134 PPM 072545 07:12:51.4 +31:20:40 8.4 0.65 134 PPM 072477 07:09:36.5 +31:17:48 9.0 0.30 134 PPM 072484 07:10:02.6 +31:36:36 10.1 0.03 134 523760 07:10:00.6 +31:34:48 15.6 134 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 523760, (2019/02/25 22:48UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 8.69 127 46Tau Gem 07:11:08.4 +30:14:43 5.5 1.46 134 PPM 072545 07:11:37.7 +31:22:39 8.4 0.65 134 PPM 072477 07:08:22.7 +31:19:42 9.0 0.30 134 PPM 072484 07:08:48.7 +31:38:31 10.1 0.03 134 523760 07:08:46.7 +31:36:42 15.6 134 Positions are for J2000
Event circumstances last updated at 2019/02/12 06:19:57 UT
Marc W. Buie, Southwest Research Institute