Event between (468861) 13LU28 and star GA1480:04961431 with event index number of 2655133
Geocentric closest approach at 2023/03/21 16:09:32 UTC
J2000 position of star is 09:38:48.4 +58:43:32
Equinox of date position of star is 09:40:29.1 +58:37:11
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 117 degrees from the moon.
Moon is 0% illuminated.
Apparent brightness V=18.2
Object is 9.1 AU from the Sun
and 8.7 AU from the Earth.
Apparent velocity is 37.3
km/sec on the sky relative to the star, or,
21.4 arcsec/hr.
The 1-sigma error in the time of the event is 14 seconds.
The 1-sigma cross-track error in the shadow position is
377 km.
The object has an absolute magnitude Hv=8.3
Diameter=128.2 km assuming a 5% albedo -- 3.5 sec chord
Diameter=52.4 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 468861, (2023/03/21 16:09UT) Object RA Dec mag sep mel Pollux 07:46:44.1 +27:58:06 1.1 36.41 113 Dubhe 11:05:08.5 +61:37:30 1.8 10.91 120 29Ups UMa 09:52:37.3 +58:55:42 3.8 1.60 118 PPM 032264 09:42:38.9 +58:28:58 8.5 0.31 117 PPM 032256 09:41:20.0 +58:45:35 9.1 0.18 117 468861 09:40:29.1 +58:37:11 14.1 117 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 468861, (2023/03/21 16:09UT) Object RA Dec mag sep mel Pollux 07:45:17.9 +28:01:33 1.1 36.41 113 Dubhe 11:03:43.3 +61:45:02 1.8 10.91 120 29Ups UMa 09:50:58.5 +59:02:16 3.8 1.60 118 PPM 032264 09:40:58.8 +58:35:21 8.5 0.31 117 PPM 032256 09:39:39.3 +58:51:56 9.1 0.18 117 468861 09:38:48.4 +58:43:32 14.1 117 Positions are for J2000
Event circumstances last updated at 2023/03/17 21:24:37 UT
Marc W. Buie, Southwest Research Institute