Event between 14UT114 and star UC4-622-010942 with event index number of 163250
Geocentric closest approach at 2018/02/12 23:15:42 UTC
J2000 position of star is 03:27:40.9 +34:18:12
Equinox of date position of star is 03:28:48.9 +34:21:53
Stellar brightness R=16.5,
use SENSEUP=128
Star is 124 degrees from the moon.
Moon is 8% illuminated.
TNO apparent brightness V=21.2
TNO is 16.1 AU from the Sun
and 16.0 AU from the Earth.
The TNO is moving 10.3
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 247 seconds.
The 1-sigma cross-track error in the shadow position is
2589 km.
The TNO has an absolute magnitude Hv=8.8
Diameter=104.7 km assuming a 5% albedo -- 10.2 sec chord
Diameter=42.8 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is CENTAURR
Star training set for 14UT114, (2018/02/12 23:16UT) Object RA Dec mag sep mel Aldebaran 04:36:57.7 +16:32:39 0.8 23.46 138 44Zet Per 03:55:16.5 +31:56:10 2.8 6.04 129 PPM 068486 03:29:29.3 +33:52:09 5.6 0.51 124 PPM 068499 03:29:58.6 +35:52:06 8.0 1.52 124 PPM 068491 03:29:32.5 +34:25:45 10.0 0.16 124 14UT114 03:28:49.7 +34:21:55 16.5 124 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 14UT114, (2018/02/12 23:16UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 23.46 138 44Zet Per 03:54:07.9 +31:53:01 2.8 6.04 129 PPM 068486 03:28:20.8 +33:48:27 5.6 0.51 124 PPM 068499 03:28:49.0 +35:48:24 8.0 1.52 124 PPM 068491 03:28:23.6 +34:22:02 10.0 0.16 124 14UT114 03:27:40.9 +34:18:12 16.5 124 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:16:07 UT
Marc W. Buie, Southwest Research Institute