Event between (316179) 10EN65 and star GA0700:05237676 with event index number of 2195453
Geocentric closest approach at 2027/12/25 20:37:25 UTC
J2000 position of star is 13:31:00.1 -19:21:09
Equinox of date position of star is 13:32:16.3 -19:28:21
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 43 degrees from the moon.
Moon is 4% illuminated.
Apparent brightness V=22.2
Object is 30.2 AU from the Sun
and 30.6 AU from the Earth.
Apparent velocity is 17.8
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 121 seconds.
The 1-sigma cross-track error in the shadow position is
1521 km.
The object has an absolute magnitude Hv=7.2
Diameter=221.8 km assuming a 5% albedo -- 12.6 sec chord
Diameter=90.6 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is CENTAURR
Star training set for 316179, (2027/12/25 20:40UT) Object RA Dec mag sep mel Spica 13:26:40.3 -11:18:23 1.0 8.31 47 73 Vir 13:33:33.7 -18:52:20 6.0 0.67 43 PPM 227399 13:32:26.4 -19:42:14 7.5 0.21 43 PPM 227396 13:32:15.4 -19:31:51 9.1 0.07 43 316179 13:32:31.3 -19:29:45 16.7 42 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 316179, (2027/12/25 20:40UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 8.31 47 73 Vir 13:32:02.7 -18:43:44 6.0 0.67 43 PPM 227399 13:30:55.1 -19:33:37 7.5 0.21 43 PPM 227396 13:30:44.3 -19:23:14 9.1 0.07 43 316179 13:31:00.1 -19:21:09 16.7 43 Positions are for J2000
Event circumstances last updated at 2023/05/22 02:41:01 UT
Marc W. Buie, Southwest Research Institute