Event between 14OW393 and star GA0900:16270500 with event index number of 2512620
Geocentric closest approach at 2022/12/20 17:18:43 UTC
J2000 position of star is 21:43:53.6 +01:09:13
Equinox of date position of star is 21:45:03.2 +01:15:32
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 97 degrees from the moon.
Moon is 10% 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 21.3
km/sec on the sky relative to the star, or,
4.1 arcsec/hr.
The 1-sigma error in the time of the event is 138 seconds.
The 1-sigma cross-track error in the shadow position is
2357 km.
The TNO has an absolute magnitude Hv=9.6
Diameter=70.8 km assuming a 5% albedo -- 3.3 sec chord
Diameter=28.9 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
Star training set for 14OW393, (2022/12/20 17:19UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.9 -29:30:00 1.2 35.46 101 Markab 23:05:54.4 +15:19:45 2.5 24.41 120 25 Aqr 21:40:43.1 +02:20:53 6.5 1.54 96 26 Aqr 21:43:20.4 +01:23:27 7.3 0.45 97 PPM 172177 21:45:06.4 +01:13:22 11.2 0.04 97 14OW393 21:45:03.9 +01:15:35 16.6 97 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, (2022/12/20 17:19UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 35.46 101 Markab 23:04:45.8 +15:12:18 2.5 24.41 120 25 Aqr 21:39:33.2 +02:14:35 6.5 1.54 96 26 Aqr 21:42:10.1 +01:17:07 7.3 0.45 97 PPM 172177 21:43:56.1 +01:07:00 11.2 0.04 97 14OW393 21:43:53.6 +01:09:13 16.6 97 Positions are for J2000
Event circumstances last updated at 2022/09/30 04:14:16 UT
Marc W. Buie, Southwest Research Institute