Event between (450265) 03WU172 and star GA1120:03062855 with event index number of 2289178
Geocentric closest approach at 2028/02/25 23:03:17 UTC
J2000 position of star is 08:39:47.1 +22:19:06
Equinox of date position of star is 08:41:11.6 +22:13:54
Stellar brightness G=14.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=21.0
Object is 29.4 AU from the Sun
and 28.6 AU from the Earth.
Apparent velocity is 20.2
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 97 seconds.
The 1-sigma cross-track error in the shadow position is
1258 km.
The object has an absolute magnitude Hv=6.3
Diameter=322.1 km assuming a 5% albedo -- 16.5 sec chord
Diameter=131.5 km assuming a 30% albedo -- 6.7 sec chord
Dynamical classification is 3:2E
Star training set for 450265, (2028/02/25 23:03UT) Object RA Dec mag sep mel Pollux 07:47:02.4 +27:57:21 1.1 13.57 130 43Gam Cnc 08:44:54.7 +21:21:55 4.7 1.18 144 PPM 098895 08:40:24.6 +23:35:04 7.5 1.39 143 PPM 098872 08:38:59.4 +21:52:49 9.5 0.66 143 PPM 098955 08:43:07.1 +22:09:59 10.7 0.40 144 450265 08:41:25.4 +22:13:02 14.7 144 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, (2028/02/25 23:03UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 13.57 130 43Gam Cnc 08:43:17.0 +21:28:06 4.7 1.18 144 PPM 098895 08:38:45.4 +23:41:06 7.5 1.39 143 PPM 098872 08:37:21.2 +21:58:49 9.5 0.66 143 PPM 098955 08:41:28.9 +22:16:06 10.7 0.40 144 450265 08:39:47.1 +22:19:06 14.7 143 Positions are for J2000
Event circumstances last updated at 2024/03/06 04:37:51 UT
Marc W. Buie, Southwest Research Institute