Event between (305543) 08QY40 and star GA0860:00116842 with event index number of 2183524
Geocentric closest approach at 2024/11/18 17:39:18 UTC
J2000 position of star is 01:25:21.0 -02:45:06
Equinox of date position of star is 01:26:34.3 -02:37:39
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon.
Moon is 89% illuminated.
Apparent brightness V=21.1
Object is 36.8 AU from the Sun
and 36.1 AU from the Earth.
Apparent velocity is 19.1
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 74 seconds.
The 1-sigma cross-track error in the shadow position is
1414 km.
The object has an absolute magnitude Hv=5.4
Diameter=476.4 km assuming a 5% albedo -- 26.1 sec chord
Diameter=194.5 km assuming a 30% albedo -- 10.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 305543, (2024/11/18 17:38UT) Object RA Dec mag sep mel Fomalhaut 22:59:01.1 -29:29:23 1.2 44.12 121 68Omi Cet 02:20:36.3 -02:51:57 2.0 13.48 66 PPM 183408 01:26:04.6 -02:43:11 6.1 0.17 78 305543 01:26:37.0 -02:37:22 15.6 77 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 305543, (2024/11/18 17:38UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 44.12 121 68Omi Cet 02:19:20.8 -02:58:45 2.0 13.48 66 PPM 183408 01:24:48.7 -02:50:56 6.1 0.17 78 305543 01:25:21.0 -02:45:06 15.6 78 Positions are for J2000
Event circumstances last updated at 2024/01/08 05:10:02 UT
Marc W. Buie, Southwest Research Institute