Event between (533396) 14GQ53 and star GA0780:11503689 with event index number of 2591478
Geocentric closest approach at 2027/10/20 01:18:58 UTC
J2000 position of star is 18:29:40.6 -11:42:12
Equinox of date position of star is 18:30:54.6 -11:41:14
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 158 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=23.2
TNO is 22.6 AU from the Sun
and 22.9 AU from the Earth.
The TNO is moving 17.8
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 227 seconds.
The 1-sigma cross-track error in the shadow position is
2295 km.
The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 4.5 sec chord
Diameter=32.6 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 533396, (2027/10/20 01:19UT) Object RA Dec mag sep mel Antares 16:31:07.0 -26:29:28 0.9 31.88 168 Nunki 18:56:59.2 -26:15:34 2.0 15.79 160 PPM 234650 18:32:58.2 -10:46:28 6.0 1.00 157 PPM 234651 18:32:59.4 -12:00:01 8.0 0.54 158 PPM 234624 18:31:47.2 -11:26:32 8.9 0.28 158 533396 18:31:13.8 -11:40:58 15.1 158 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 533396, (2027/10/20 01:19UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 31.88 168 Nunki 18:55:15.9 -26:17:49 2.0 15.79 160 PPM 234650 18:31:25.7 -10:47:46 6.0 1.00 157 PPM 234651 18:31:26.1 -12:01:19 8.0 0.54 158 PPM 234624 18:30:14.3 -11:27:47 8.9 0.28 158 533396 18:29:40.6 -11:42:12 15.1 158 Positions are for J2000
Event circumstances last updated at 2022/01/29 00:38:23 UT
Marc W. Buie, Southwest Research Institute