Event between (556004) 14HA200 and star GA0780:04901195 with event index number of 2485370
Geocentric closest approach at 2025/03/24 04:03:47 UTC
J2000 position of star is 15:44:59.8 -10:05:00
Equinox of date position of star is 15:46:19.9 -10:09:31
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 59 degrees from the moon.
Moon is 33% illuminated.
Apparent brightness V=21.3
Object is 45.0 AU from the Sun
and 44.4 AU from the Earth.
Apparent velocity is 13.7
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is
1755 km.
The object has an absolute magnitude Hv=4.7
Diameter=673.0 km assuming a 5% albedo -- 50.8 sec chord
Diameter=274.8 km assuming a 30% albedo -- 20.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 556004, (2025/03/24 04:05UT) Object RA Dec mag sep mel Antares 16:30:57.5 -26:29:09 0.9 19.43 44 27Bet Lib 15:18:22.1 -09:28:28 2.6 6.93 66 37 Lib 15:35:33.6 -10:08:57 4.6 2.66 61 PPM 230649 15:44:55.2 -10:12:06 8.1 0.36 59 PPM 230710 15:47:15.2 -10:08:50 9.5 0.22 59 556004 15:46:22.4 -10:09:39 15.9 59 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 556004, (2025/03/24 04:05UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.43 44 27Bet Lib 15:17:00.3 -09:22:59 2.6 6.93 66 37 Lib 15:34:11.2 -10:03:58 4.6 2.66 61 PPM 230649 15:43:32.6 -10:07:23 8.1 0.36 59 PPM 230710 15:45:52.6 -10:04:12 9.5 0.22 59 556004 15:44:59.8 -10:05:00 15.9 59 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:44:18 UT
Marc W. Buie, Southwest Research Institute