Event between (533396) 14GQ53 and star GA0800:07801544 with event index number of 2590629
Geocentric closest approach at 2025/10/04 00:25:23 UTC
J2000 position of star is 18:01:10.2 -09:32:02
Equinox of date position of star is 18:02:22.5 -09:31:58
Stellar brightness G=15.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 60 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=23.1
TNO is 21.8 AU from the Sun
and 22.0 AU from the Earth.
The TNO is moving 15.1
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 151 seconds.
The 1-sigma cross-track error in the shadow position is
1881 km.
The TNO has an absolute magnitude Hv=9.4
Diameter=79.8 km assuming a 5% albedo -- 5.3 sec chord
Diameter=32.6 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
Star training set for 533396, (2025/10/04 00:25UT) Object RA Dec mag sep mel Antares 16:30:59.5 -26:29:13 0.9 27.50 79 35Eta Oph 17:11:51.4 -15:45:18 2.6 13.84 71 64Nu Oph 18:00:26.7 -09:46:28 3.3 0.58 61 PPM 201352 18:05:19.4 -09:15:01 8.3 0.73 60 PPM 201294 18:01:45.5 -09:30:43 9.4 0.21 60 533396 18:02:35.2 -09:31:58 15.1 60 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, (2025/10/04 00:25UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 27.50 79 35Eta Oph 17:10:22.7 -15:43:29 2.6 13.84 71 64Nu Oph 17:59:01.6 -09:46:28 3.3 0.58 61 PPM 201352 18:03:54.5 -09:15:12 8.3 0.73 60 PPM 201294 18:00:20.5 -09:30:46 9.4 0.21 60 533396 18:01:10.2 -09:32:02 15.1 60 Positions are for J2000
Event circumstances last updated at 2021/11/27 00:37:22 UT
Marc W. Buie, Southwest Research Institute