Event between 14WO510 and star GA1140:01116730 with event index number of 2644311
Geocentric closest approach at 2021/12/29 15:09:42 UTC
J2000 position of star is 05:18:51.1 +24:29:29
Equinox of date position of star is 05:20:11.7 +24:30:46
Stellar brightness G=16.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 140 degrees from the moon.
Moon is 23% illuminated.
TNO apparent brightness V=22.2
TNO is 32.4 AU from the Sun
and 31.4 AU from the Earth.
The TNO is moving 23.3
km/sec on the sky relative to the star, or,
3.7 arcsec/hr.
The 1-sigma error in the time of the event is 227 seconds.
The 1-sigma cross-track error in the shadow position is
1519 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=234.4 km assuming a 5% albedo -- 10.1 sec chord
Diameter=95.7 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E
Star training set for 14WO510, (2021/12/29 15:10UT) Object RA Dec mag sep mel Aldebaran 04:37:11.1 +16:33:06 0.8 12.83 151 Alnath 05:27:41.0 +28:37:26 1.6 4.44 137 108 Tau 05:16:47.1 +22:18:29 6.2 2.34 141 PPM 094241 05:18:52.2 +24:01:53 7.9 0.57 140 PPM 094265 05:20:49.1 +24:40:10 10.4 0.21 140 14WO510 05:20:11.9 +24:30:46 16.3 139 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 14WO510, (2021/12/29 15:10UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 12.83 151 Alnath 05:26:17.6 +28:36:23 1.6 4.44 137 108 Tau 05:15:27.6 +22:17:05 6.2 2.34 141 PPM 094241 05:17:31.7 +24:00:34 7.9 0.57 140 PPM 094265 05:19:28.2 +24:38:54 10.4 0.21 140 14WO510 05:18:51.1 +24:29:29 16.3 140 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:00:45 UT
Marc W. Buie, Southwest Research Institute