Event between (523704) 14HB200 and star GA0680:06261979 with event index number of 2263544
Geocentric closest approach at 2023/05/22 22:47:50 UTC
J2000 position of star is 15:25:50.6 -21:14:11
Equinox of date position of star is 15:27:06.5 -21:18:42
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 135 degrees from the moon.
Moon is 11% illuminated.
TNO apparent brightness V=22.2
TNO is 30.0 AU from the Sun
and 29.0 AU from the Earth.
The TNO is moving 23.3
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 87 seconds.
The 1-sigma cross-track error in the shadow position is
1346 km.
The TNO has an absolute magnitude Hv=7.5
Diameter=187.1 km assuming a 5% albedo -- 8.0 sec chord
Diameter=76.4 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is 3:2E
Star training set for 523704, (2023/05/22 22:48UT) Object RA Dec mag sep mel Antares 16:30:50.7 -26:28:55 0.9 15.42 150 7Del Sco 16:01:43.2 -22:41:11 2.3 8.12 143 PPM 264334 15:31:57.6 -20:48:27 6.5 1.22 135 PPM 264237 15:27:26.9 -21:27:39 7.1 0.15 135 PPM 264245 15:27:36.6 -21:17:44 9.9 0.10 135 523704 15:27:12.0 -21:19:02 17.0 135 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 523704, (2023/05/22 22:48UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 15.42 150 7Del Sco 16:00:20.0 -22:37:19 2.3 8.12 143 PPM 264334 15:30:36.3 -20:43:43 6.5 1.22 135 PPM 264237 15:26:05.3 -21:22:49 7.1 0.15 135 PPM 264245 15:26:15.2 -21:12:54 9.9 0.10 135 523704 15:25:50.6 -21:14:11 17.0 135 Positions are for J2000
Event circumstances last updated at 2021/10/17 01:15:55 UT
Marc W. Buie, Southwest Research Institute