Event between 10PT66 and star GA0720:00020094 with event index number of 2102046
Geocentric closest approach at 2022/01/14 16:40:14 UTC
J2000 position of star is 00:13:59.6 -17:07:52
Equinox of date position of star is 00:15:06.3 -17:00:35
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 83 degrees from the moon.
Moon is 90% illuminated.
TNO apparent brightness V=22.0
TNO is 39.1 AU from the Sun
and 39.6 AU from the Earth.
The TNO is moving 20.8
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 108 seconds.
The 1-sigma cross-track error in the shadow position is
1883 km.
The TNO has an absolute magnitude Hv=5.9
Diameter=403.7 km assuming a 5% albedo -- 19.4 sec chord
Diameter=164.8 km assuming a 30% albedo -- 7.9 sec chord
Dynamical classification is 3:1EE
Star training set for 10PT66, (2022/01/14 16:40UT) Object RA Dec mag sep mel Fomalhaut 22:58:51.8 -29:30:18 1.2 21.46 104 Diphda 00:44:41.7 -17:51:58 2.0 7.11 77 PPM 208476 00:13:17.3 -17:48:58 5.0 0.92 84 PPM 208512 00:15:02.8 -17:25:23 7.8 0.41 83 PPM 208531 00:15:34.9 -17:07:17 9.0 0.16 83 10PT66 00:15:06.8 -17:00:32 15.4 83 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 10PT66, (2022/01/14 16:40UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 21.46 104 Diphda 00:43:35.7 -17:59:11 2.0 7.11 77 PPM 208476 00:12:10.1 -17:56:19 5.0 0.92 84 PPM 208512 00:13:55.6 -17:32:44 7.8 0.41 83 PPM 208531 00:14:27.8 -17:14:38 9.0 0.16 83 10PT66 00:13:59.6 -17:07:52 15.4 83 Positions are for J2000
Event circumstances last updated at 2021/11/14 01:08:43 UT
Marc W. Buie, Southwest Research Institute