Event between 03UN292 and star UC4-567-012282 with event index number of 104153
Geocentric closest approach at 2017/12/31 14:25:38 UTC
J2000 position of star is 04:51:29.7 +23:12:59
Equinox of date position of star is 04:52:34.6 +23:14:43
Stellar brightness R=16.4,
use SENSEUP=128
Star is 7 degrees from the moon.
Moon is 96% illuminated.
TNO apparent brightness V=23.5
TNO is 40.3 AU from the Sun
and 39.4 AU from the Earth.
The TNO is moving 22.4
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 583 seconds.
The 1-sigma cross-track error in the shadow position is
5811 km.
The TNO has an absolute magnitude Hv=7.4
Diameter=196.8 km assuming a 5% albedo -- 8.8 sec chord
Diameter=80.3 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 03UN292, (2017/12/31 14:26UT) Object RA Dec mag sep mel Aldebaran 04:36:57.3 +16:32:39 0.8 7.64 9 Alnath 05:27:25.9 +28:37:16 1.6 9.50 10 PPM 093742 04:46:47.8 +23:39:35 6.1 1.39 8 PPM 093857 04:54:39.4 +23:20:39 7.8 0.49 6 PPM 093831 04:52:57.3 +23:23:02 9.0 0.16 7 03UN292 04:52:34.9 +23:14:44 16.4 7 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 03UN292, (2017/12/31 14:26UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 7.64 9 Alnath 05:26:17.5 +28:36:24 1.6 9.50 10 PPM 093742 04:45:42.5 +23:37:41 6.1 1.39 8 PPM 093857 04:53:34.1 +23:18:56 7.8 0.49 6 PPM 093831 04:51:52.0 +23:21:17 9.0 0.16 7 03UN292 04:51:29.7 +23:12:59 16.4 7 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:09:37 UT
Marc W. Buie, Southwest Research Institute