Event between 14WB510 and star GA1140:01567553 with event index number of 1983473
Geocentric closest approach at 2021/08/25 15:53:17 UTC
J2000 position of star is 05:51:44.6 +24:19:39
Equinox of date position of star is 05:53:03.2 +24:19:53
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 89% illuminated.
TNO apparent brightness V=22.9
TNO is 32.1 AU from the Sun
and 32.5 AU from the Earth.
The TNO is moving 18.0
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 364 seconds.
The 1-sigma cross-track error in the shadow position is
1979 km.
The TNO has an absolute magnitude Hv=7.6
Diameter=178.7 km assuming a 5% albedo -- 9.9 sec chord
Diameter=72.9 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 3:2E
Star training set for 14WB510, (2021/08/25 15:53UT) Object RA Dec mag sep mel Betelgeuse 05:56:20.7 +07:24:34 0.4 16.94 77 Alnath 05:27:39.7 +28:37:25 1.6 7.12 72 132 Tau 05:50:20.7 +24:34:22 4.9 0.67 77 PPM 095035 05:54:53.2 +24:17:24 8.1 0.42 78 PPM 094957 05:51:55.7 +24:08:28 9.8 0.32 77 PPM 094995 05:53:31.9 +24:23:58 10.4 0.13 77 14WB510 05:53:04.2 +24:19:54 17.0 77 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 14WB510, (2021/08/25 15:53UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 16.94 77 Alnath 05:26:17.6 +28:36:23 1.6 7.12 72 132 Tau 05:49:00.9 +24:34:02 4.9 0.67 77 PPM 095035 05:53:33.6 +24:17:13 8.1 0.42 78 PPM 094957 05:50:36.2 +24:08:11 9.8 0.32 77 PPM 094995 05:52:12.2 +24:23:45 10.4 0.13 77 14WB510 05:51:44.6 +24:19:39 17.0 77 Positions are for J2000
Event circumstances last updated at 2021/05/20 01:11:07 UT
Marc W. Buie, Southwest Research Institute