Event between (553893) 12BW154 and star GA0980:03741875 with event index number of 2688315
Geocentric closest approach at 2029/02/16 17:34:45 UTC
J2000 position of star is 12:00:02.7 +08:13:11
Equinox of date position of star is 12:01:17.5 +08:05:03
Stellar brightness G=13.9,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 165 degrees from the moon.
Moon is 10% illuminated.
Apparent brightness V=21.8
Object is 41.4 AU from the Sun
and 40.6 AU from the Earth.
Apparent velocity is 21.5
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 148 seconds.
The 1-sigma cross-track error in the shadow position is
2377 km.
The object has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 21.5 sec chord
Diameter=186.6 km assuming a 30% albedo -- 8.8 sec chord
Dynamical classification is CLASSICAL
Star training set for 553893, (2029/02/16 17:35UT) Object RA Dec mag sep mel Regulus 10:09:55.3 +11:49:25 1.3 27.73 145 Denebola 11:50:32.9 +14:24:34 2.1 6.90 158 6 Vir 11:56:32.8 +08:16:55 5.6 1.26 165 PPM 158370 11:59:18.1 +08:49:39 8.1 0.95 164 PPM 158418 12:02:29.3 +07:53:28 10.0 0.29 165 553893 12:01:32.2 +08:03:27 13.9 165 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 553893, (2029/02/16 17:35UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 27.73 145 Denebola 11:49:02.8 +14:34:17 2.1 6.90 158 6 Vir 11:55:03.1 +08:26:39 5.6 1.26 165 PPM 158370 11:57:48.5 +08:59:23 8.1 0.95 164 PPM 158418 12:00:59.8 +08:03:12 10.0 0.29 165 553893 12:00:02.7 +08:13:11 13.9 165 Positions are for J2000
Event circumstances last updated at 2024/05/05 03:42:32 UT
Marc W. Buie, Southwest Research Institute