Event between (578559) 14DC143 and star GA0800:05254295 with event index number of 2549694
Geocentric closest approach at 2025/02/02 00:10:58 UTC
J2000 position of star is 16:32:32.6 -08:51:06
Equinox of date position of star is 16:33:44.0 -08:53:48
Stellar brightness G=11.1,
use SENSEUP=8 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 111 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=23.0
TNO is 17.4 AU from the Sun
and 17.8 AU from the Earth.
The TNO is moving 20.1
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 137 seconds.
The 1-sigma cross-track error in the shadow position is
1465 km.
The TNO has an absolute magnitude Hv=10.3
Diameter=52.2 km assuming a 5% albedo -- 2.6 sec chord
Diameter=21.3 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 578559, (2025/02/02 00:11UT) Object RA Dec mag sep mel Antares 16:30:57.0 -26:29:08 0.9 17.60 110 13Zet Oph 16:38:32.6 -10:36:57 2.6 2.06 110 3Ups Oph 16:29:09.7 -08:25:33 4.2 1.27 112 PPM 199744 16:33:23.5 -09:44:53 7.9 0.85 111 PPM 199770 16:34:39.2 -08:49:58 8.6 0.20 111 578559 16:33:54.6 -08:54:12 11.1 111 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 578559, (2025/02/02 00:11UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.60 110 13Zet Oph 16:37:09.6 -10:34:01 2.6 2.06 110 3Ups Oph 16:27:48.0 -08:22:18 4.2 1.27 112 PPM 199744 16:32:01.1 -09:41:46 7.9 0.85 111 PPM 199770 16:33:17.2 -08:46:54 8.6 0.20 111 578559 16:32:32.6 -08:51:06 11.1 111 Positions are for J2000
Event circumstances last updated at 2021/11/05 23:03:22 UT
Marc W. Buie, Southwest Research Institute