Event between (10199) Chariklo and star UC4-323-212924 with event index number of 190399
Geocentric closest approach at 2019/05/14 08:00:46 UTC
J2000 position of star is 19:47:22.5 -25:24:04
Equinox of date position of star is 19:48:29.5 -25:21:17
Stellar brightness R=16.5,
use SENSEUP=128
Star is 121 degrees from the moon.
Moon is 75% illuminated.
TNO apparent brightness V=18.9
TNO is 16.2 AU from the Sun
and 15.6 AU from the Earth.
The TNO is moving 7.4
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 258 seconds.
The 1-sigma cross-track error in the shadow position is
1469 km.
The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 39.0 sec chord
Diameter=117.7 km assuming a 30% albedo -- 15.9 sec chord
Dynamical classification is CENTAURR
Star training set for 10199, (2019/05/14 08:01UT) Object RA Dec mag sep mel Fomalhaut 22:58:43.0 -29:31:09 1.2 42.11 155 38Zet Sgr 19:03:50.5 -29:51:03 2.7 10.87 110 58Ome Sgr 19:57:01.4 -26:14:48 4.1 2.11 123 PPM 270278 19:48:50.2 -25:34:38 7.8 0.23 121 10199 19:48:33.0 -25:21:08 16.5 121 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, (2019/05/14 08:01UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 42.11 155 38Zet Sgr 19:02:36.7 -29:52:49 2.7 10.87 110 58Ome Sgr 19:55:50.7 -26:17:57 4.1 2.11 123 PPM 270278 19:47:39.6 -25:37:35 7.8 0.23 121 10199 19:47:22.5 -25:24:04 16.5 121 Positions are for J2000
Event circumstances last updated at 2018/05/24 18:23:30 UT
Marc W. Buie, Southwest Research Institute