Event between 03LD9 and star GA0700:26878922 with event index number of 1664204
Geocentric closest approach at 2025/08/16 21:03:52 UTC
J2000 position of star is 18:35:27.4 -18:25:40
Equinox of date position of star is 18:36:51.3 -18:24:25
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 43% illuminated.
Apparent brightness V=23.1
Object is 43.5 AU from the Sun
and 42.8 AU from the Earth.
Apparent velocity is 15.9
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 1346 seconds.
The 1-sigma cross-track error in the shadow position is
4575 km.
The object has an absolute magnitude Hv=6.6
Diameter=295.1 km assuming a 5% albedo -- 18.6 sec chord
Diameter=120.5 km assuming a 30% albedo -- 7.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 03LD9, (2025/08/16 21:04UT) Object RA Dec mag sep mel Antares 16:30:59.0 -26:29:12 0.9 30.12 173 Nunki 18:56:51.1 -26:15:45 2.0 9.10 141 PPM 234652 18:32:56.4 -18:22:58 5.0 0.95 144 PPM 234757 18:37:06.9 -18:31:41 7.6 0.13 143 03LD9 18:36:57.5 -18:24:19 16.8 143 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 03LD9, (2025/08/16 21:04UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 30.12 173 Nunki 18:55:15.9 -26:17:49 2.0 9.10 141 PPM 234652 18:31:26.3 -18:24:10 5.0 0.95 144 PPM 234757 18:35:36.8 -18:33:02 7.6 0.13 143 03LD9 18:35:27.4 -18:25:40 16.8 143 Positions are for J2000
Event circumstances last updated at 2023/11/13 03:59:48 UT
Marc W. Buie, Southwest Research Institute