Event between (10199) Chariklo and star UC4-293-213983 with event index number of 56851
Geocentric closest approach at 2017/06/11 22:10:23 UTC
J2000 position of star is 18:57:43.6 -31:30:37
Equinox of date position of star is 18:58:49.2 -31:29:12
Stellar brightness R=15.1
Star is 13 degrees from the moon.
Moon is 95% illuminated.
TNO apparent brightness V=18.6
TNO is 15.6 AU from the Sun
and 14.7 AU from the Earth.
The TNO is moving 20.4
km/sec on the sky relative to the star, or,
6.9 arcsec/hr.
The 1-sigma error in the time of the event is 148 seconds.
The 1-sigma cross-track error in the shadow position is
1656 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 14.2 sec chord
Diameter=117.7 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is CENTAURR
Star training set for 10199, (2017/06/11 22:10UT) Object RA Dec mag sep mel Antares 16:30:28.8 -26:28:09 0.9 32.68 38 38Zet Sgr 19:03:43.2 -29:51:13 2.7 1.94 11 PPM 298345 18:57:34.9 -31:39:55 6.3 0.32 13 PPM 298380 18:59:13.2 -31:47:16 7.9 0.31 13 PPM 298383 18:59:19.2 -31:33:17 9.4 0.12 13 10199 18:58:51.1 -31:29:09 15.1 13 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 10199, (2017/06/11 22:10UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:55 0.9 32.68 38 38Zet Sgr 19:02:36.7 -29:52:49 2.7 1.94 11 PPM 298345 18:56:27.3 -31:41:21 6.3 0.32 13 PPM 298380 18:58:05.6 -31:48:44 7.9 0.31 13 PPM 298383 18:58:11.7 -31:34:45 9.4 0.12 13 10199 18:57:43.6 -31:30:37 15.1 13 Positions are for J2000
Event circumstances last updated at 2016/12/09 18:49:30 UT
Marc W. Buie, Southwest Research Institute