Event between (523770) 14XO40 and star GA0820:04869178 with event index number of 2612376
Geocentric closest approach at 2027/06/04 00:39:48 UTC
J2000 position of star is 15:51:13.0 -06:30:30
Equinox of date position of star is 15:52:31.4 -06:34:50
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 161 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=20.0
Object is 16.2 AU from the Sun
and 15.3 AU from the Earth.
Apparent velocity is 19.6
km/sec on the sky relative to the star, or,
6.4 arcsec/hr.
The 1-sigma error in the time of the event is 91 seconds.
The 1-sigma cross-track error in the shadow position is
937 km.
The object has an absolute magnitude Hv=7.9
Diameter=153.5 km assuming a 5% albedo -- 7.9 sec chord
Diameter=62.7 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
Star training set for 523770, (2027/06/04 00:41UT) Object RA Dec mag sep mel Antares 16:31:05.6 -26:29:25 0.9 21.90 173 1Del Oph 16:15:47.1 -03:45:46 2.7 6.41 158 PPM 198946 15:48:13.0 -06:12:14 6.5 1.17 161 PPM 199009 15:52:25.1 -06:24:34 8.9 0.19 161 523770 15:52:40.9 -06:35:21 15.5 161 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 523770, (2027/06/04 00:41UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 21.90 173 1Del Oph 16:14:20.7 -03:41:43 2.7 6.41 158 PPM 198946 15:46:45.4 -06:07:13 6.5 1.17 161 PPM 199009 15:50:57.3 -06:19:42 8.9 0.19 161 523770 15:51:13.0 -06:30:30 15.5 161 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:28:37 UT
Marc W. Buie, Southwest Research Institute