Event between 13RU155 and star GA0920:00021068 with event index number of 2712973
Geocentric closest approach at 2022/11/18 22:56:11 UTC
J2000 position of star is 00:13:31.5 +03:24:41
Equinox of date position of star is 00:14:38.7 +03:31:58
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 168 degrees from the moon.
Moon is 27% illuminated.
TNO apparent brightness V=23.3
TNO is 40.7 AU from the Sun
and 40.1 AU from the Earth.
The TNO is moving 13.5
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 890 seconds.
The 1-sigma cross-track error in the shadow position is
5677 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 17.1 sec chord
Diameter=94.4 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 13RU155, (2022/11/18 22:56UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.6 -29:30:02 1.2 37.70 154 Algenib 00:14:25.0 +15:18:38 2.8 11.77 157 44 Psc 00:26:34.7 +02:03:58 5.8 3.31 167 PPM 143227 00:12:16.2 +04:15:37 8.3 0.94 167 PPM 143262 00:14:15.6 +03:31:05 9.5 0.11 168 13RU155 00:14:41.9 +03:32:19 15.4 167 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 13RU155, (2022/11/18 22:56UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 37.70 154 Algenib 00:13:14.2 +15:11:01 2.8 11.77 157 44 Psc 00:25:24.2 +01:56:22 5.8 3.31 167 PPM 143227 00:11:05.7 +04:07:59 8.3 0.94 167 PPM 143262 00:13:05.2 +03:23:28 9.5 0.11 168 13RU155 00:13:31.5 +03:24:41 15.4 168 Positions are for J2000
Event circumstances last updated at 2021/11/02 00:59:06 UT
Marc W. Buie, Southwest Research Institute