Event between (472651) 15DB216 and star GA0460:07381948 with event index number of 2311860
Geocentric closest approach at 2027/07/25 16:10:46 UTC
J2000 position of star is 14:06:30.4 -43:44:00
Equinox of date position of star is 14:08:02.2 -43:50:57
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 61% illuminated.
Apparent brightness V=20.0
Object is 13.0 AU from the Sun
and 12.7 AU from the Earth.
Apparent velocity is 9.4
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 110 seconds.
The 1-sigma cross-track error in the shadow position is
994 km.
The object has an absolute magnitude Hv=8.5
Diameter=117.5 km assuming a 5% albedo -- 12.6 sec chord
Diameter=48.0 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is CENTAURR
Star training set for 472651, (2027/07/25 16:09UT) Object RA Dec mag sep mel Hadar 14:05:47.7 -60:30:16 0.6 16.64 131 Zet Cen 13:57:16.5 -47:25:22 2.5 4.04 144 Ups1Cen 14:00:23.7 -44:56:13 3.8 1.76 146 PPM 319229 14:10:35.4 -43:36:02 6.6 0.50 146 PPM 319178 14:08:20.6 -43:35:33 9.8 0.27 146 PPM 319167 14:07:41.6 -43:39:44 11.0 0.22 146 472651 14:08:13.8 -43:51:49 15.8 146 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, (2027/07/25 16:09UT) Object RA Dec mag sep mel Hadar 14:03:49.3 -60:22:23 0.6 16.64 131 Zet Cen 13:55:32.3 -47:17:19 2.5 4.04 144 Ups1Cen 13:58:40.7 -44:48:14 3.8 1.76 146 PPM 319229 14:08:51.8 -43:28:15 6.6 0.50 146 PPM 319178 14:06:37.4 -43:27:44 9.8 0.27 146 PPM 319167 14:05:58.4 -43:31:54 11.0 0.22 146 472651 14:06:30.4 -43:44:00 15.8 146 Positions are for J2000
Event circumstances last updated at 2024/06/22 21:27:31 UT
Marc W. Buie, Southwest Research Institute