Event between (450265) 03WU172 and star GA1120:03000166 with event index number of 2289102
Geocentric closest approach at 2024/12/03 23:24:15 UTC
J2000 position of star is 08:15:35.6 +23:54:24
Equinox of date position of star is 08:17:01.8 +23:49:53
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 163 degrees from the moon.
Moon is 8% illuminated.
Apparent brightness V=21.1
Object is 29.2 AU from the Sun
and 28.6 AU from the Earth.
Apparent velocity is 14.0
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 106 seconds.
The 1-sigma cross-track error in the shadow position is
1095 km.
The object has an absolute magnitude Hv=6.3
Diameter=322.1 km assuming a 5% albedo -- 23.5 sec chord
Diameter=131.5 km assuming a 30% albedo -- 9.6 sec chord
Dynamical classification is 3:2E
Star training set for 450265, (2024/12/03 23:24UT) Object RA Dec mag sep mel Pollux 07:46:50.4 +27:57:50 1.1 7.96 171 PPM 098486 08:15:10.1 +23:03:39 6.5 0.88 164 PPM 098584 08:20:38.0 +24:05:42 8.1 0.86 163 PPM 098509 08:16:37.7 +23:40:10 9.2 0.19 163 PPM 098507 08:16:35.3 +23:51:38 10.1 0.12 164 450265 08:17:04.5 +23:49:45 14.1 163 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 450265, (2024/12/03 23:24UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 7.96 171 PPM 098486 08:13:41.6 +23:08:15 6.5 0.88 164 PPM 098584 08:19:09.2 +24:10:29 8.1 0.86 163 PPM 098509 08:15:08.9 +23:44:49 9.2 0.19 163 PPM 098507 08:15:06.4 +23:56:17 10.1 0.12 164 450265 08:15:35.6 +23:54:24 14.1 163 Positions are for J2000
Event circumstances last updated at 2024/03/04 05:29:04 UT
Marc W. Buie, Southwest Research Institute