Event between (578559) 14DC143 and star GA0760:06498127 with event index number of 2549860
Geocentric closest approach at 2027/05/09 21:39:10 UTC
J2000 position of star is 17:06:49.9 -12:23:13
Equinox of date position of star is 17:08:04.1 -12:24:54
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 157 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=23.0
TNO is 18.5 AU from the Sun
and 17.6 AU from the Earth.
The TNO is moving 19.4
km/sec on the sky relative to the star, or,
5.5 arcsec/hr.
The 1-sigma error in the time of the event is 216 seconds.
The 1-sigma cross-track error in the shadow position is
2038 km.
The TNO has an absolute magnitude Hv=10.3
Diameter=52.2 km assuming a 5% albedo -- 2.7 sec chord
Diameter=21.3 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 578559, (2027/05/09 21:39UT) Object RA Dec mag sep mel Antares 16:31:05.4 -26:29:25 0.9 16.57 155 35Eta Oph 17:11:56.9 -15:45:25 2.6 3.45 160 PPM 232685 17:11:18.8 -10:33:24 5.6 2.00 156 PPM 232656 17:09:56.7 -12:04:01 7.9 0.52 157 PPM 232607 17:07:53.0 -12:31:36 9.2 0.16 157 578559 17:08:21.8 -12:25:18 14.3 157 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, (2027/05/09 21:39UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 16.57 155 35Eta Oph 17:10:22.7 -15:43:29 2.6 3.45 160 PPM 232685 17:09:48.0 -10:31:26 5.6 2.00 156 PPM 232656 17:08:25.0 -12:02:00 7.9 0.52 157 PPM 232607 17:06:20.9 -12:29:30 9.2 0.16 157 578559 17:06:49.9 -12:23:13 14.3 157 Positions are for J2000
Event circumstances last updated at 2022/01/25 00:14:35 UT
Marc W. Buie, Southwest Research Institute