Event between (181708) 93FW and star GA0760:05243378 with event index number of 2559375
Geocentric closest approach at 2027/07/26 02:33:15 UTC
J2000 position of star is 15:26:36.7 -12:57:31
Equinox of date position of star is 15:27:57.8 -13:02:34
Stellar brightness G=15.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 151 degrees from the moon.
Moon is 56% illuminated.
Apparent brightness V=23.2
Object is 41.6 AU from the Sun
and 41.3 AU from the Earth.
Apparent velocity is 5.7
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 1006 seconds.
The 1-sigma cross-track error in the shadow position is
2459 km.
The object has an absolute magnitude Hv=6.9
Diameter=252.4 km assuming a 5% albedo -- 44.7 sec chord
Diameter=103.0 km assuming a 30% albedo -- 18.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 181708, (2027/07/26 02:33UT) Object RA Dec mag sep mel Antares 16:31:06.1 -26:29:26 0.9 19.96 136 27Bet Lib 15:18:29.7 -09:28:58 2.6 4.28 153 31Eps Lib 15:25:41.8 -10:25:09 4.8 2.70 151 PPM 230200 15:26:02.0 -13:00:01 8.5 0.51 152 PPM 230255 15:28:17.4 -13:08:41 9.6 0.10 151 181708 15:28:08.1 -13:03:13 15.9 151 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 181708, (2027/07/26 02:33UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 19.96 136 27Bet Lib 15:17:00.3 -09:22:59 2.6 4.28 153 31Eps Lib 15:24:11.8 -10:19:23 4.8 2.70 151 PPM 230200 15:24:30.7 -12:54:15 8.5 0.51 152 PPM 230255 15:26:45.9 -13:03:00 9.6 0.10 151 181708 15:26:36.7 -12:57:31 15.9 151 Positions are for J2000
Event circumstances last updated at 2024/06/10 01:53:36 UT
Marc W. Buie, Southwest Research Institute