Event between (472235) 14GE45 and star UC4-393-057756 with event index number of 150606
Geocentric closest approach at 2017/12/22 07:48:03 UTC
J2000 position of star is 13:43:49.3 -11:31:59
Equinox of date position of star is 13:44:46.6 -11:37:22
Stellar brightness R=12.7,
use SENSEUP=16
Star is 106 degrees from the moon.
Moon is 14% illuminated.
TNO apparent brightness V=21.9
TNO is 33.8 AU from the Sun
and 34.2 AU from the Earth.
The TNO is moving 20.1
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 144 seconds.
The 1-sigma cross-track error in the shadow position is
1954 km.
The TNO has an absolute magnitude Hv=6.4
Diameter=316.2 km assuming a 5% albedo -- 15.8 sec chord
Diameter=129.1 km assuming a 30% albedo -- 6.4 sec chord
Dynamical classification is 5:2EEE
Star training set for 472235, (2017/12/22 07:48UT) Object RA Dec mag sep mel Spica 13:26:08.5 -11:15:17 1.0 4.58 111 86 Vir 13:46:53.9 -12:30:57 5.1 1.03 105 PPM 227751 13:45:13.0 -11:31:36 7.9 0.14 106 PPM 227736 13:44:38.1 -11:31:44 9.6 0.10 106 472235 13:44:46.7 -11:37:23 12.7 106 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 472235, (2017/12/22 07:48UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 4.58 111 86 Vir 13:45:56.3 -12:25:35 5.1 1.03 105 PPM 227751 13:44:15.6 -11:26:13 7.9 0.14 106 PPM 227736 13:43:40.7 -11:26:21 9.6 0.10 106 472235 13:43:49.3 -11:31:59 12.7 106 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:07:25 UT
Marc W. Buie, Southwest Research Institute