Event between (590218) 11UD63 and star GA1140:02628055 with event index number of 2749926
Geocentric closest approach at 2029/04/25 16:51:21 UTC
J2000 position of star is 06:45:33.0 +25:42:32
Equinox of date position of star is 06:47:01.7 +25:40:56
Stellar brightness G=13.9,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 89% illuminated.
Apparent brightness V=20.3
Object is 13.0 AU from the Sun
and 13.4 AU from the Earth.
Apparent velocity is 20.8
km/sec on the sky relative to the star, or,
7.7 arcsec/hr.
The 1-sigma error in the time of the event is 157 seconds.
The 1-sigma cross-track error in the shadow position is
1269 km.
The object has an absolute magnitude Hv=8.7
Diameter=105.2 km assuming a 5% albedo -- 5.2 sec chord
Diameter=42.9 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 590218, (2029/04/25 16:53UT) Object RA Dec mag sep mel Pollux 07:47:06.7 +27:57:11 1.1 13.52 65 Alhena 06:39:24.3 +16:22:18 1.9 9.49 77 PPM 096264 06:39:15.1 +24:33:49 6.5 2.15 79 PPM 096625 06:52:49.0 +25:43:21 7.5 1.23 76 PPM 096452 06:45:41.8 +25:23:13 9.5 0.47 77 PPM 096520 06:48:22.6 +25:38:39 11.1 0.23 77 590218 06:47:21.6 +25:40:34 13.9 76 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 590218, (2029/04/25 16:53UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 13.52 65 Alhena 06:37:42.8 +16:23:56 1.9 9.49 77 PPM 096264 06:37:27.2 +24:35:27 6.5 2.15 79 PPM 096625 06:51:00.4 +25:45:33 7.5 1.23 76 PPM 096452 06:43:53.5 +25:25:07 9.5 0.47 77 PPM 096520 06:46:34.0 +25:40:40 11.1 0.23 77 590218 06:45:33.0 +25:42:32 13.9 77 Positions are for J2000
Event circumstances last updated at 2023/12/11 04:26:46 UT
Marc W. Buie, Southwest Research Institute