Event between (182222) 00YU1 and star GA1060:01363163 with event index number of 2353496
Geocentric closest approach at 2026/12/24 22:47:21 UTC
J2000 position of star is 05:52:04.3 +17:59:03
Equinox of date position of star is 05:53:25.3 +17:59:18
Stellar brightness G=16.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 20 degrees from the moon.
Moon is 99% illuminated.
Apparent brightness V=23.5
Object is 42.1 AU from the Sun
and 41.1 AU from the Earth.
Apparent velocity is 25.5
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 471 seconds.
The 1-sigma cross-track error in the shadow position is
1935 km.
The object has an absolute magnitude Hv=7.3
Diameter=229.1 km assuming a 5% albedo -- 8.3 sec chord
Diameter=93.5 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is CLASSICAL
Star training set for 182222, (2026/12/24 22:47UT) Object RA Dec mag sep mel Betelgeuse 05:56:38.0 +07:24:35 0.4 10.60 25 Alhena 06:39:16.2 +16:22:26 1.9 11.01 12 PPM 121513 05:53:59.4 +19:52:21 6.4 1.89 19 PPM 121460 05:52:07.0 +18:01:55 7.7 0.37 20 182222 05:53:38.9 +17:59:20 16.0 19 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 182222, (2026/12/24 22:47UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 10.60 25 Alhena 06:37:42.8 +16:23:56 1.9 11.01 12 PPM 121513 05:52:23.4 +19:52:04 6.4 1.89 19 PPM 121460 05:50:32.3 +18:01:35 7.7 0.37 20 182222 05:52:04.3 +17:59:03 16.0 20 Positions are for J2000
Event circumstances last updated at 2023/01/31 03:33:46 UT
Marc W. Buie, Southwest Research Institute