Event between 10EL139 and star GA0520:07309242 with event index number of 2078980
Geocentric closest approach at 2024/05/18 10:58:51 UTC
J2000 position of star is 14:14:25.7 -37:41:00
Equinox of date position of star is 14:15:51.1 -37:47:29
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 49 degrees from the moon.
Moon is 77% illuminated.
Apparent brightness V=21.2
Object is 37.5 AU from the Sun
and 36.6 AU from the Earth.
Apparent velocity is 23.9
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 111 seconds.
The 1-sigma cross-track error in the shadow position is
2143 km.
The object has an absolute magnitude Hv=5.4
Diameter=492.1 km assuming a 5% albedo -- 20.9 sec chord
Diameter=200.9 km assuming a 30% albedo -- 8.5 sec chord
Dynamical classification is 3:2E
Star training set for 10EL139, (2024/05/18 11:08UT) Object RA Dec mag sep mel Hadar 14:05:34.0 -60:29:21 0.6 22.75 66 5The Cen 14:08:07.7 -36:29:18 2.1 2.03 47 PPM 292483 14:20:52.9 -37:06:51 6.4 1.20 49 PPM 292439 14:18:44.9 -38:03:38 8.5 0.62 50 PPM 292405 14:17:00.7 -37:39:21 9.5 0.26 49 10EL139 14:15:54.7 -37:47:46 15.9 49 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 10EL139, (2024/05/18 11:08UT) Object RA Dec mag sep mel Hadar 14:03:49.3 -60:22:23 0.6 22.75 66 5The Cen 14:06:40.0 -36:22:23 2.1 2.03 47 PPM 292483 14:19:23.8 -37:00:11 6.4 1.20 49 PPM 292439 14:17:15.5 -37:56:55 8.5 0.62 50 PPM 292405 14:15:31.6 -37:32:36 9.5 0.26 49 10EL139 14:14:25.7 -37:41:00 15.9 49 Positions are for J2000
Event circumstances last updated at 2023/05/17 03:36:55 UT
Marc W. Buie, Southwest Research Institute