Event between (555756) 14DH143 and star GA0840:04310428 with event index number of 2471959
Geocentric closest approach at 2027/06/28 09:18:40 UTC
J2000 position of star is 13:39:14.1 -05:24:50
Equinox of date position of star is 13:40:30.1 -05:32:12
Stellar brightness G=15.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 170 degrees from the moon.
Moon is 38% illuminated.
Apparent brightness V=22.7
Object is 37.7 AU from the Sun
and 37.4 AU from the Earth.
Apparent velocity is 5.3
km/sec on the sky relative to the star, or,
0.7 arcsec/hr.
The 1-sigma error in the time of the event is 665 seconds.
The 1-sigma cross-track error in the shadow position is
2273 km.
The object has an absolute magnitude Hv=6.8
Diameter=259.4 km assuming a 5% albedo -- 49.1 sec chord
Diameter=105.9 km assuming a 30% albedo -- 20.0 sec chord
Dynamical classification is 4:3E
Star training set for 555756, (2027/06/28 09:07UT) Object RA Dec mag sep mel Spica 13:26:38.7 -11:18:14 1.0 6.72 176 80 Vir 13:36:57.3 -05:32:08 5.7 0.92 170 PPM 196750 13:41:51.2 -05:23:00 8.4 0.34 169 PPM 196733 13:40:49.3 -05:25:30 9.5 0.13 169 555756 13:40:40.1 -05:33:10 15.8 169 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 555756, (2027/06/28 09:07UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 6.72 176 80 Vir 13:35:31.3 -05:23:44 5.7 0.92 170 PPM 196750 13:40:25.2 -05:14:42 8.4 0.34 169 PPM 196733 13:39:23.3 -05:17:11 9.5 0.13 169 555756 13:39:14.1 -05:24:50 15.8 170 Positions are for J2000
Event circumstances last updated at 2024/04/18 03:48:57 UT
Marc W. Buie, Southwest Research Institute