Event between (495613) 15FG345 and star GA0840:04496022 with event index number of 2324611
Geocentric closest approach at 2027/08/20 19:19:23 UTC
J2000 position of star is 14:48:11.1 -04:12:08
Equinox of date position of star is 14:49:28.0 -04:18:11
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 89% illuminated.
Apparent brightness V=21.4
Object is 39.3 AU from the Sun
and 39.5 AU from the Earth.
Apparent velocity is 15.1
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 112 seconds.
The 1-sigma cross-track error in the shadow position is
1720 km.
The object has an absolute magnitude Hv=5.3
Diameter=512.9 km assuming a 5% albedo -- 34.1 sec chord
Diameter=209.4 km assuming a 30% albedo -- 13.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 495613, (2027/08/20 19:16UT) Object RA Dec mag sep mel Spica 13:26:39.2 -11:18:17 1.0 21.69 162 27Bet Lib 15:18:29.9 -09:28:59 2.6 8.83 135 107Mu Vir 14:44:31.2 -05:46:35 3.9 1.94 144 PPM 197915 14:48:39.7 -04:20:55 8.5 0.24 142 495613 14:49:37.9 -04:18:58 17.0 142 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 495613, (2027/08/20 19:16UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 21.69 162 27Bet Lib 15:17:00.3 -09:22:59 2.6 8.83 135 107Mu Vir 14:43:03.8 -05:39:36 3.9 1.94 144 PPM 197915 14:47:12.9 -04:14:04 8.5 0.24 142 495613 14:48:11.1 -04:12:08 17.0 142 Positions are for J2000
Event circumstances last updated at 2024/06/22 21:28:11 UT
Marc W. Buie, Southwest Research Institute