Event between (543377) 14BF70 and star GA0580:08543696 with event index number of 2253306
Geocentric closest approach at 2027/07/23 03:18:05 UTC
J2000 position of star is 16:01:02.9 -31:05:44
Equinox of date position of star is 16:02:35.4 -31:09:46
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 105 degrees from the moon.
Moon is 83% illuminated.
Apparent brightness V=20.5
Object is 11.9 AU from the Sun
and 11.3 AU from the Earth.
Apparent velocity is 7.3
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 127 seconds.
The 1-sigma cross-track error in the shadow position is
1306 km.
The object has an absolute magnitude Hv=9.5
Diameter=75.5 km assuming a 5% albedo -- 10.5 sec chord
Diameter=30.8 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is CENTAURR
Star training set for 543377, (2027/07/23 03:15UT) Object RA Dec mag sep mel Antares 16:31:06.1 -26:29:26 0.9 7.77 99 Eta Lup 16:01:57.4 -38:28:22 2.8 7.30 103 PPM 294547 16:03:04.3 -31:57:53 6.4 0.80 105 PPM 294516 16:01:37.0 -31:14:42 6.9 0.26 105 PPM 294529 16:02:03.8 -31:14:22 9.2 0.17 105 543377 16:02:47.0 -31:10:16 15.5 104 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 543377, (2027/07/23 03:15UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.77 99 Eta Lup 16:00:07.3 -38:23:48 2.8 7.30 103 PPM 294547 16:01:19.6 -31:53:21 6.4 0.80 105 PPM 294516 15:59:52.9 -31:10:07 6.9 0.26 105 PPM 294529 16:00:19.7 -31:09:48 9.2 0.17 105 543377 16:01:02.9 -31:05:44 15.5 105 Positions are for J2000
Event circumstances last updated at 2024/06/22 21:27:24 UT
Marc W. Buie, Southwest Research Institute