Event between (471335) 11OD16 and star UC4-419-147474 with event index number of 144724
Geocentric closest approach at 2017/08/29 14:06:53 UTC
J2000 position of star is 22:58:05.7 -06:12:38
Equinox of date position of star is 22:58:57.6 -06:07:16
Stellar brightness R=15.4
Star is 94 degrees from the moon.
Moon is 52% illuminated.
TNO apparent brightness V=21.5
TNO is 19.8 AU from the Sun
and 18.8 AU from the Earth.
The TNO is moving 22.1
km/sec on the sky relative to the star, or,
5.8 arcsec/hr.
The 1-sigma error in the time of the event is 61 seconds.
The 1-sigma cross-track error in the shadow position is
857 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 5.2 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 471335, (2017/08/29 14:07UT) Object RA Dec mag sep mel Fomalhaut 22:58:37.4 -29:31:42 1.2 23.41 87 Markab 23:05:38.5 +15:18:02 2.5 21.48 102 82 Aqr 23:03:27.5 -06:28:44 6.0 1.16 95 PPM 206952 22:57:15.5 -06:27:05 8.4 0.55 94 PPM 206988 22:59:29.0 -06:21:27 9.6 0.27 94 471335 22:59:00.7 -06:06:57 15.4 94 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 471335, (2017/08/29 14:07UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 23.41 87 Markab 23:04:45.7 +15:12:18 2.5 21.48 102 82 Aqr 23:02:32.5 -06:34:27 6.0 1.16 95 PPM 206952 22:56:20.4 -06:32:45 8.4 0.55 94 PPM 206988 22:58:34.0 -06:27:08 9.6 0.27 94 471335 22:58:05.7 -06:12:38 15.4 94 Positions are for J2000
Event circumstances last updated at 2016/09/01 18:15:56 UT
Marc W. Buie, Southwest Research Institute