Event between (535229) 14YG50 and star GA1100:03028903 with event index number of 2244784
Geocentric closest approach at 2023/12/20 16:40:42 UTC
J2000 position of star is 08:15:17.0 +21:01:34
Equinox of date position of star is 08:16:38.1 +20:57:14
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 111 degrees from the moon.
Moon is 60% illuminated.
Apparent brightness V=22.7
Object is 35.3 AU from the Sun
and 34.5 AU from the Earth.
Apparent velocity is 20.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 154 seconds.
The 1-sigma cross-track error in the shadow position is
2269 km.
The object has an absolute magnitude Hv=7.2
Diameter=215.8 km assuming a 5% albedo -- 10.5 sec chord
Diameter=88.1 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is 3:2E
Star training set for 535229, (2023/12/20 16:42UT) Object RA Dec mag sep mel Pollux 07:46:46.9 +27:57:59 1.1 9.77 103 10Mu 2Cnc 08:09:10.3 +21:30:38 5.3 1.84 109 PPM 098505 08:16:19.4 +21:00:21 8.2 0.10 111 535229 08:16:40.9 +20:57:05 16.1 111 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 535229, (2023/12/20 16:42UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 9.77 103 10Mu 2Cnc 08:07:45.9 +21:34:53 5.3 1.84 109 PPM 098505 08:14:55.4 +21:04:49 8.2 0.10 111 535229 08:15:17.0 +21:01:34 16.1 111 Positions are for J2000
Event circumstances last updated at 2023/03/04 03:46:50 UT
Marc W. Buie, Southwest Research Institute