Event between 01DD106 and star GA0860:04137804 with event index number of 1262430
Geocentric closest approach at 2023/12/18 00:03:41 UTC
J2000 position of star is 12:54:04.9 -03:57:09
Equinox of date position of star is 12:55:18.8 -04:04:54
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 30% illuminated.
Apparent brightness V=23.7
Object is 42.1 AU from the Sun
and 42.4 AU from the Earth.
Apparent velocity is 14.1
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 308 seconds.
The 1-sigma cross-track error in the shadow position is
3266 km.
The object has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 14.8 sec chord
Diameter=85.3 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 01DD106, (2023/12/18 00:04UT) Object RA Dec mag sep mel Spica 13:26:27.5 -11:17:08 1.0 10.55 128 PPM 195939 12:54:52.4 -04:21:17 6.5 0.29 138 PPM 195959 12:56:13.6 -04:01:45 9.8 0.23 138 01DD106 12:55:19.1 -04:04:56 16.6 138 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 01DD106, (2023/12/18 00:04UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 10.55 128 PPM 195939 12:53:38.1 -04:13:30 6.5 0.29 138 PPM 195959 12:54:59.4 -03:53:59 9.8 0.23 138 01DD106 12:54:04.9 -03:57:09 16.6 138 Positions are for J2000
Event circumstances last updated at 2023/11/04 04:07:20 UT
Marc W. Buie, Southwest Research Institute