Event between (443843) 01FO185 and star GA0760:05111695 with event index number of 1127302
Geocentric closest approach at 2021/07/05 10:39:46 UTC
J2000 position of star is 15:00:08.5 -12:51:42
Equinox of date position of star is 15:01:18.9 -12:56:44
Stellar brightness G=15.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 173 degrees from the moon.
Moon is 19% illuminated.
TNO apparent brightness V=23.7
TNO is 42.4 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 11.3
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 296 seconds.
The 1-sigma cross-track error in the shadow position is
1962 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=211.8 km assuming a 5% albedo -- 18.7 sec chord
Diameter=86.5 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is CLASSICAL
Star training set for 443843, (2021/07/05 10:40UT) Object RA Dec mag sep mel Spica 13:26:19.8 -11:16:23 1.0 23.27 151 27Bet Lib 15:18:10.0 -09:27:39 2.6 5.40 172 15Xi 2Lib 14:57:56.3 -11:29:43 5.5 1.67 172 PPM 229576 14:59:53.5 -12:51:12 7.8 0.36 173 PPM 229609 15:01:12.0 -13:03:51 9.7 0.12 173 443843 15:01:19.4 -12:56:46 15.5 173 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 443843, (2021/07/05 10:40UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 23.27 151 27Bet Lib 15:17:00.3 -09:22:59 2.6 5.40 172 15Xi 2Lib 14:56:46.1 -11:24:35 5.5 1.67 172 PPM 229576 14:58:42.7 -12:46:07 7.8 0.36 173 PPM 229609 15:00:01.2 -12:58:47 9.7 0.12 173 443843 15:00:08.5 -12:51:42 15.5 173 Positions are for J2000
Event circumstances last updated at 2021/05/21 01:06:38 UT
Marc W. Buie, Southwest Research Institute