Event between 14OW393 and star GA0900:16269708 with event index number of 2512619
Geocentric closest approach at 2022/12/18 17:17:16 UTC
J2000 position of star is 21:43:40.9 +01:08:49
Equinox of date position of star is 21:44:50.5 +01:15:08
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 123 degrees from the moon.
Moon is 27% illuminated.
TNO apparent brightness V=23.9
TNO is 25.4 AU from the Sun
and 25.8 AU from the Earth.
The TNO is moving 20.4
km/sec on the sky relative to the star, or,
3.9 arcsec/hr.
The 1-sigma error in the time of the event is 144 seconds.
The 1-sigma cross-track error in the shadow position is
2347 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=70.8 km assuming a 5% albedo -- 3.5 sec chord
Diameter=28.9 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 14OW393, (2022/12/18 17:17UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.8 -29:30:00 1.2 35.48 127 Markab 23:05:54.4 +15:19:45 2.5 24.45 143 25 Aqr 21:40:43.1 +02:20:53 6.5 1.51 122 26 Aqr 21:43:20.3 +01:23:27 7.3 0.40 122 PPM 172177 21:45:06.4 +01:13:22 11.2 0.07 123 14OW393 21:44:51.1 +01:15:11 16.9 123 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 14OW393, (2022/12/18 17:17UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 35.48 127 Markab 23:04:45.8 +15:12:18 2.5 24.45 143 25 Aqr 21:39:33.2 +02:14:35 6.5 1.51 122 26 Aqr 21:42:10.1 +01:17:07 7.3 0.40 122 PPM 172177 21:43:56.1 +01:07:00 11.2 0.07 123 14OW393 21:43:40.9 +01:08:49 16.9 123 Positions are for J2000
Event circumstances last updated at 2022/09/30 04:14:12 UT
Marc W. Buie, Southwest Research Institute