Event between (472651) 15DB216 and star GA0400:12745008 with event index number of 2312166
Geocentric closest approach at 2028/02/02 21:17:54 UTC
J2000 position of star is 15:14:35.6 -48:59:08
Equinox of date position of star is 15:16:19.3 -49:04:30
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 145 degrees from the moon.
Moon is 41% illuminated.
Apparent brightness V=20.0
Object is 12.9 AU from the Sun
and 13.1 AU from the Earth.
Apparent velocity is 25.2
km/sec on the sky relative to the star, or,
9.5 arcsec/hr.
The 1-sigma error in the time of the event is 54 seconds.
The 1-sigma cross-track error in the shadow position is
1480 km.
The object has an absolute magnitude Hv=8.5
Diameter=117.5 km assuming a 5% albedo -- 4.7 sec chord
Diameter=48.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
Star training set for 472651, (2028/02/02 21:20UT) Object RA Dec mag sep mel PPM 360911 14:41:34.1 -60:57:02 0.0 12.85 136 Eps Lup 15:24:36.1 -44:47:18 2.8 4.51 147 PPM 320338 15:14:29.0 -48:19:23 6.4 0.84 145 PPM 320403 15:18:01.2 -49:07:08 8.4 0.24 144 472651 15:16:34.6 -49:05:18 15.6 144 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 472651, (2028/02/02 21:20UT) Object RA Dec mag sep mel PPM 360911 14:39:24.2 -60:49:51 0.0 12.85 136 Eps Lup 15:22:40.8 -44:41:23 2.8 4.51 147 PPM 320338 15:12:31.2 -48:13:09 6.4 0.84 145 PPM 320403 15:16:02.0 -49:01:00 8.4 0.24 144 472651 15:14:35.6 -48:59:08 15.6 145 Positions are for J2000
Event circumstances last updated at 2024/06/23 21:28:01 UT
Marc W. Buie, Southwest Research Institute