Event between (523789) 15FN345 and star GA0940:04706594 with event index number of 2607249
Geocentric closest approach at 2027/07/05 00:39:02 UTC
J2000 position of star is 17:07:19.8 +05:41:19
Equinox of date position of star is 17:08:31.9 +05:39:28
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 131 degrees from the moon.
Moon is 1% illuminated.
Apparent brightness V=22.1
Object is 38.5 AU from the Sun
and 37.8 AU from the Earth.
Apparent velocity is 21.9
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 115 seconds.
The 1-sigma cross-track error in the shadow position is
1372 km.
The object has an absolute magnitude Hv=6.2
Diameter=340.4 km assuming a 5% albedo -- 16.0 sec chord
Diameter=139.0 km assuming a 30% albedo -- 6.5 sec chord
Dynamical classification is SCATEXTD
Star training set for 523789, (2027/07/05 00:40UT) Object RA Dec mag sep mel Antares 16:31:05.9 -26:29:26 0.9 33.41 134 60Bet Oph 17:44:50.0 +04:33:28 2.8 9.07 139 PPM 163642 17:13:04.9 +07:51:48 6.3 2.46 131 PPM 163576 17:09:43.2 +04:23:22 7.5 1.29 132 PPM 163552 17:08:35.2 +05:21:04 9.8 0.30 131 PPM 163551 17:08:34.2 +05:47:34 11.2 0.14 131 523789 17:08:40.8 +05:39:15 15.9 131 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 523789, (2027/07/05 00:40UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 33.41 134 60Bet Oph 17:43:28.3 +04:34:06 2.8 9.07 139 PPM 163642 17:11:45.3 +07:53:41 6.3 2.46 131 PPM 163576 17:08:21.4 +04:25:24 7.5 1.29 132 PPM 163552 17:07:13.9 +05:23:09 9.8 0.30 131 PPM 163551 17:07:13.3 +05:49:39 11.2 0.14 131 523789 17:07:19.8 +05:41:19 15.9 131 Positions are for J2000
Event circumstances last updated at 2024/06/21 21:29:37 UT
Marc W. Buie, Southwest Research Institute