Event between (558093) 14WW535 and star GA0820:03929778 with event index number of 2414853
Geocentric closest approach at 2024/03/25 12:12:52 UTC
J2000 position of star is 09:57:53.1 -06:37:07
Equinox of date position of star is 09:58:58.5 -06:43:25
Stellar brightness G=14.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 38 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=22.9
TNO is 24.3 AU from the Sun
and 23.5 AU from the Earth.
The TNO is moving 19.8
km/sec on the sky relative to the star, or,
4.2 arcsec/hr.
The 1-sigma error in the time of the event is 241 seconds.
The 1-sigma cross-track error in the shadow position is
3989 km.
The TNO has an absolute magnitude Hv=9.0
Diameter=95.1 km assuming a 5% albedo -- 4.8 sec chord
Diameter=38.8 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 558093, (2024/03/25 12:13UT) Object RA Dec mag sep mel Regulus 10:09:39.6 +11:50:52 1.3 18.77 38 Alphard 09:28:46.7 -08:45:53 2.0 7.78 46 8Gam Sex 09:53:42.4 -08:13:12 4.8 2.00 39 PPM 192894 09:56:56.6 -06:16:22 8.5 0.71 38 PPM 192945 09:59:32.1 -06:43:13 9.0 0.11 38 558093 09:59:05.7 -06:44:06 14.4 38 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 558093, (2024/03/25 12:13UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 18.77 38 Alphard 09:27:35.2 -08:39:30 2.0 7.78 46 8Gam Sex 09:52:30.4 -08:06:19 4.8 2.00 39 PPM 192894 09:55:43.9 -06:09:25 8.5 0.71 38 PPM 192945 09:58:19.5 -06:36:13 9.0 0.11 38 558093 09:57:53.1 -06:37:07 14.4 38 Positions are for J2000
Event circumstances last updated at 2021/10/24 23:59:21 UT
Marc W. Buie, Southwest Research Institute