Event between (469442) 02GG166 and star UC4-341-074771 with event index number of 148112
Geocentric closest approach at 2018/04/10 05:57:48 UTC
J2000 position of star is 15:28:22.4 -21:48:18
Equinox of date position of star is 15:29:25.1 -21:51:58
Stellar brightness R=15.9,
use SENSEUP=128
Star is 76 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=20.9
TNO is 19.4 AU from the Sun
and 18.6 AU from the Earth.
The TNO is moving 16.8
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 86 seconds.
The 1-sigma cross-track error in the shadow position is
846 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=158.5 km assuming a 5% albedo -- 9.4 sec chord
Diameter=64.7 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CENTAURR
Star training set for 469442, (2018/04/10 05:58UT) Object RA Dec mag sep mel Antares 16:30:31.8 -26:28:16 0.9 14.66 62 7Del Sco 16:01:25.0 -22:40:20 2.3 7.44 69 PPM 264334 15:31:39.8 -20:47:25 6.5 1.20 76 PPM 264284 15:29:22.4 -21:16:19 7.4 0.60 76 PPM 264292 15:29:36.2 -21:52:34 9.1 0.04 76 469442 15:29:26.3 -21:52:03 15.9 76 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 469442, (2018/04/10 05:58UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.66 62 7Del Sco 16:00:20.0 -22:37:18 2.3 7.44 69 PPM 264334 15:30:36.3 -20:43:43 6.5 1.20 76 PPM 264284 15:28:18.7 -21:12:34 7.4 0.60 76 PPM 264292 15:28:32.3 -21:48:50 9.1 0.04 76 469442 15:28:22.4 -21:48:18 15.9 76 Positions are for J2000
Event circumstances last updated at 2017/12/02 17:25:38 UT
Marc W. Buie, Southwest Research Institute