Event between (144897) 04UX10 and star UC4-482-003963 with event index number of 94517
Geocentric closest approach at 2017/12/04 16:24:14 UTC
J2000 position of star is 02:46:46.8 +06:16:02
Equinox of date position of star is 02:47:43.7 +06:20:30
Stellar brightness R=14.2,
use SENSEUP=64
Star is 46 degrees from the moon.
Moon is 98% illuminated.
TNO apparent brightness V=20.4
TNO is 39.2 AU from the Sun
and 38.4 AU from the Earth.
The TNO is moving 21.1
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 109 seconds.
The 1-sigma cross-track error in the shadow position is
1521 km.
The TNO has an absolute magnitude Hv=4.4
Diameter=794.4 km assuming a 5% albedo -- 37.6 sec chord
Diameter=324.3 km assuming a 30% albedo -- 15.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 144897, (2017/12/04 16:24UT) Object RA Dec mag sep mel Aldebaran 04:36:57.1 +16:32:38 0.8 28.59 18 Menkar 03:03:13.1 +04:09:32 2.5 4.43 43 PPM 145873 02:46:17.4 +04:47:10 6.2 1.60 47 PPM 145884 02:47:11.4 +05:40:01 7.9 0.69 46 PPM 145878 02:46:29.9 +06:09:22 10.0 0.36 46 144897 02:47:43.7 +06:20:30 14.2 46 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 144897, (2017/12/04 16:24UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 28.59 18 Menkar 03:02:16.8 +04:05:22 2.5 4.43 43 PPM 145873 02:45:21.0 +04:42:41 6.2 1.60 47 PPM 145884 02:46:14.7 +05:35:32 7.9 0.69 46 PPM 145878 02:45:33.1 +06:04:53 10.0 0.36 46 144897 02:46:46.8 +06:16:02 14.2 46 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:04:25 UT
Marc W. Buie, Southwest Research Institute