Event between (534631) 14UX229 and star GA1200:00654304 with event index number of 2388575
Geocentric closest approach at 2027/07/27 20:51:04 UTC
J2000 position of star is 03:48:04.9 +31:26:30
Equinox of date position of star is 03:49:31.0 +31:30:38
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 14 degrees from the moon.
Moon is 38% illuminated.
TNO apparent brightness V=23.6
TNO is 28.2 AU from the Sun
and 28.7 AU from the Earth.
The TNO is moving 20.5
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 131 seconds.
The 1-sigma cross-track error in the shadow position is
2261 km.
The TNO has an absolute magnitude Hv=8.9
Diameter=131.8 km assuming a 5% albedo -- 5.0 sec chord
Diameter=53.8 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is 3:2E
Star training set for 534631, (2027/07/27 20:46UT) Object RA Dec mag sep mel Aldebaran 04:37:30.3 +16:33:46 0.8 18.47 23 44Zet Per 03:55:52.3 +31:57:47 2.8 1.36 15 PPM 068850 03:53:48.2 +31:14:57 6.3 0.90 15 PPM 068791 03:50:07.8 +32:02:43 8.5 0.53 14 PPM 068823 03:52:11.5 +31:38:07 8.9 0.52 14 PPM 068789 03:50:02.7 +31:45:41 10.9 0.24 14 534631 03:49:48.6 +31:31:29 14.3 14 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 534631, (2027/07/27 20:46UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 18.47 23 44Zet Per 03:54:07.9 +31:53:01 2.8 1.36 15 PPM 068850 03:52:04.4 +31:10:06 6.3 0.90 15 PPM 068791 03:48:23.6 +31:57:45 8.5 0.53 14 PPM 068823 03:50:27.5 +31:33:13 8.9 0.52 14 PPM 068789 03:48:18.8 +31:40:43 10.9 0.24 14 534631 03:48:04.9 +31:26:30 14.3 14 Positions are for J2000
Event circumstances last updated at 2022/11/22 03:10:18 UT
Marc W. Buie, Southwest Research Institute