Event between (511130) 13WV107 and star GA0580:06618408 with event index number of 2262822
Geocentric closest approach at 2027/05/18 11:24:26 UTC
J2000 position of star is 12:50:22.9 -31:29:23
Equinox of date position of star is 12:51:42.6 -31:37:22
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 21 degrees from the moon.
Moon is 96% illuminated.
Apparent brightness V=21.1
Object is 12.5 AU from the Sun
and 11.7 AU from the Earth.
Apparent velocity is 17.9
km/sec on the sky relative to the star, or,
7.6 arcsec/hr.
The 1-sigma error in the time of the event is 59 seconds.
The 1-sigma cross-track error in the shadow position is
1156 km.
The object has an absolute magnitude Hv=10.0
Diameter=60.3 km assuming a 5% albedo -- 3.4 sec chord
Diameter=24.6 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 511130, (2027/05/18 11:22UT) Object RA Dec mag sep mel Spica 13:26:38.4 -11:18:12 1.0 21.86 10 Iot Cen 13:22:08.9 -36:51:21 2.8 8.14 21 PPM 290568 12:48:15.4 -33:27:53 5.8 1.98 23 PPM 290673 12:53:19.8 -31:21:01 7.5 0.42 21 PPM 290641 12:51:44.4 -31:22:23 9.3 0.27 21 511130 12:51:52.1 -31:38:18 15.8 21 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 511130, (2027/05/18 11:22UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 21.86 10 Iot Cen 13:20:35.2 -36:42:46 2.8 8.14 21 PPM 290568 12:46:46.2 -33:18:56 5.8 1.98 23 PPM 290673 12:51:50.5 -31:12:07 7.5 0.42 21 PPM 290641 12:50:15.3 -31:13:28 9.3 0.27 21 511130 12:50:22.9 -31:29:23 15.8 21 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:28:10 UT
Marc W. Buie, Southwest Research Institute