Event between 14UK229 and star UC4-522-003121 with event index number of 236633
Geocentric closest approach at 2018/07/04 15:11:16 UTC
J2000 position of star is 01:56:32.6 +14:23:02
Equinox of date position of star is 01:57:32.3 +14:28:24
Stellar brightness R=16.2,
use SENSEUP=128
Star is 40 degrees from the moon.
Moon is 67% illuminated.
TNO apparent brightness V=24.9
TNO is 40.8 AU from the Sun
and 41.1 AU from the Earth.
The TNO is moving 14.7
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 492 seconds.
The 1-sigma cross-track error in the shadow position is
5017 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=117.0 km assuming a 5% albedo -- 7.9 sec chord
Diameter=47.7 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is ERR2LARGE
Star training set for 14UK229, (2018/07/04 15:11UT) Object RA Dec mag sep mel Aldebaran 04:36:59.1 +16:32:42 0.8 38.40 77 6Bet Ari 01:55:40.0 +20:53:52 2.6 6.44 43 PPM 117850 02:00:25.5 +12:23:02 6.1 2.20 39 PPM 117825 01:58:46.5 +14:28:44 8.1 0.30 40 PPM 117803 01:57:43.0 +14:39:44 10.5 0.19 40 14UK229 01:57:32.7 +14:28:26 16.2 40 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 14UK229, (2018/07/04 15:11UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 38.40 77 6Bet Ari 01:54:38.5 +20:48:27 2.6 6.44 43 PPM 117850 01:59:25.9 +12:17:41 6.1 2.20 39 PPM 117825 01:57:46.4 +14:23:21 8.1 0.30 40 PPM 117803 01:56:42.9 +14:34:21 10.5 0.19 40 14UK229 01:56:32.6 +14:23:02 16.2 40 Positions are for J2000
Event circumstances last updated at 2018/05/24 01:37:36 UT
Marc W. Buie, Southwest Research Institute