Event between 11UD411 and star GA1140:00376896 with event index number of 2127240
Geocentric closest approach at 2023/07/15 12:54:29 UTC
J2000 position of star is 03:01:09.7 +25:15:42
Equinox of date position of star is 03:02:31.8 +25:21:09
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 38 degrees from the moon.
Moon is 5% illuminated.
Apparent brightness V=23.0
Object is 38.1 AU from the Sun
and 38.6 AU from the Earth.
Apparent velocity is 18.7
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 330 seconds.
The 1-sigma cross-track error in the shadow position is
4837 km.
The object has an absolute magnitude Hv=7.0
Diameter=238.8 km assuming a 5% albedo -- 12.8 sec chord
Diameter=97.5 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is 3:2E
Star training set for 11UD411, (2023/07/15 12:54UT) Object RA Dec mag sep mel Aldebaran 04:37:16.4 +16:33:17 0.8 23.75 20 Hamal 02:08:30.3 +23:34:22 2.0 12.42 50 52 Ari 03:06:49.8 +25:20:43 6.1 0.97 37 PPM 092134 03:01:33.9 +25:20:17 8.7 0.22 38 11UD411 03:02:32.7 +25:21:12 14.1 37 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 11UD411, (2023/07/15 12:54UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 23.75 20 Hamal 02:07:10.7 +23:27:41 2.0 12.42 50 52 Ari 03:05:26.7 +25:15:19 6.1 0.97 37 PPM 092134 03:00:11.0 +25:14:45 8.7 0.22 38 11UD411 03:01:09.7 +25:15:42 14.1 38 Positions are for J2000
Event circumstances last updated at 2023/04/18 02:29:45 UT
Marc W. Buie, Southwest Research Institute