Event between (10199) Chariklo and star GA0780:21680766 with event index number of 1372792
Geocentric closest approach at 2024/09/17 23:13:37 UTC
J2000 position of star is 20:55:43.8 -10:17:50
Equinox of date position of star is 20:57:02.5 -10:12:12
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 41 degrees from the moon.
Moon is 100% illuminated.
Apparent brightness V=19.1
Object is 17.4 AU from the Sun
and 16.6 AU from the Earth.
Apparent velocity is 15.6
km/sec on the sky relative to the star, or,
4.6 arcsec/hr.
The 1-sigma error in the time of the event is 44 seconds.
The 1-sigma cross-track error in the shadow position is
658 km.
The object has an absolute magnitude Hv=6.6
Diameter=291.1 km assuming a 5% albedo -- 19.0 sec chord
Diameter=118.8 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is CENTAURR
Star training set for 10199, (2024/09/17 23:13UT) Object RA Dec mag sep mel Fomalhaut 22:59:00.6 -29:29:26 1.2 34.37 28 Tarazed 19:47:26.1 +10:40:30 2.7 27.12 59 6Mu Aqr 20:53:59.1 -08:53:21 4.7 1.52 41 PPM 238064 20:55:23.6 -10:49:45 7.2 0.75 41 PPM 238093 20:56:38.7 -10:13:06 9.5 0.11 41 10199 20:57:04.1 -10:12:05 15.5 40 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, (2024/09/17 23:13UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 34.37 28 Tarazed 19:46:15.6 +10:36:48 2.7 27.12 59 6Mu Aqr 20:52:39.3 -08:59:01 4.7 1.52 41 PPM 238064 20:54:03.1 -10:55:28 7.2 0.75 41 PPM 238093 20:55:18.4 -10:18:50 9.5 0.11 41 10199 20:55:43.8 -10:17:50 15.5 41 Positions are for J2000
Event circumstances last updated at 2024/03/19 03:35:33 UT
Marc W. Buie, Southwest Research Institute