Event between (492338) 14FW and star GA0680:23291866 with event index number of 2319474
Geocentric closest approach at 2022/02/25 03:35:00 UTC
J2000 position of star is 18:13:57.1 -21:28:15
Equinox of date position of star is 18:15:16.0 -21:27:47
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 12 degrees from the moon.
Moon is 36% illuminated.
TNO apparent brightness V=21.5
TNO is 13.0 AU from the Sun
and 13.4 AU from the Earth.
The TNO is moving 23.2
km/sec on the sky relative to the star, or,
8.6 arcsec/hr.
The 1-sigma error in the time of the event is 59 seconds.
The 1-sigma cross-track error in the shadow position is
562 km.
The TNO has an absolute magnitude Hv=10.0
Diameter=59.4 km assuming a 5% albedo -- 2.6 sec chord
Diameter=24.3 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 492338, (2022/02/25 03:35UT) Object RA Dec mag sep mel Antares 16:30:46.2 -26:28:45 0.9 24.35 13 Nunki 18:56:38.2 -26:16:02 2.0 10.60 20 14 Sgr 18:15:35.8 -21:42:19 5.4 0.25 12 PPM 268119 18:16:21.6 -20:51:46 8.3 0.65 12 14 Sgr 18:15:35.8 -21:42:19 5.4 0.25 12 492338 18:15:16.8 -21:27:47 16.8 12 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 492338, (2022/02/25 03:35UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.35 13 Nunki 18:55:15.9 -26:17:49 2.0 10.60 20 14 Sgr 18:14:15.9 -21:42:48 5.4 0.25 12 PPM 268119 18:15:02.2 -20:52:16 8.3 0.65 12 14 Sgr 18:14:15.9 -21:42:48 5.4 0.25 12 492338 18:13:57.1 -21:28:15 16.8 12 Positions are for J2000
Event circumstances last updated at 2021/12/06 01:47:05 UT
Marc W. Buie, Southwest Research Institute