Event between (556068) 14JR80 and star GA0680:36175721 with event index number of 2492914
Geocentric closest approach at 2027/08/20 10:32:10 UTC
J2000 position of star is 20:43:48.4 -20:47:16
Equinox of date position of star is 20:45:13.0 -20:41:53
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 54 degrees from the moon.
Moon is 91% illuminated.
Apparent brightness V=21.1
Object is 40.3 AU from the Sun
and 39.3 AU from the Earth.
Apparent velocity is 23.3
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 81 seconds.
The 1-sigma cross-track error in the shadow position is
1452 km.
The object has an absolute magnitude Hv=5.0
Diameter=578.1 km assuming a 5% albedo -- 25.8 sec chord
Diameter=236.0 km assuming a 30% albedo -- 10.5 sec chord
Dynamical classification is 3:2E
Star training set for 556068, (2027/08/20 10:35UT) Object RA Dec mag sep mel Fomalhaut 22:59:10.1 -29:28:30 1.2 31.41 37 38Zet Sgr 19:04:22.0 -29:50:17 2.7 24.54 79 17 Cap 20:47:45.8 -21:24:42 5.9 0.91 54 PPM 271559 20:46:24.7 -20:47:29 7.9 0.26 54 PPM 271521 20:44:46.4 -20:42:36 8.9 0.15 55 556068 20:45:23.9 -20:41:12 15.7 54 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 556068, (2027/08/20 10:35UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 31.41 37 38Zet Sgr 19:02:36.7 -29:52:49 2.7 24.54 79 17 Cap 20:46:10.0 -21:30:51 5.9 0.91 54 PPM 271559 20:44:49.2 -20:53:35 7.9 0.26 54 PPM 271521 20:43:10.8 -20:48:39 8.9 0.15 55 556068 20:43:48.4 -20:47:16 15.7 54 Positions are for J2000
Event circumstances last updated at 2024/06/22 21:28:10 UT
Marc W. Buie, Southwest Research Institute