Event between (523700) 14GM54 and star GA1020:18280737 with event index number of 2089940
Geocentric closest approach at 2026/04/22 03:59:27 UTC
J2000 position of star is 20:36:19.4 +13:59:14
Equinox of date position of star is 20:37:23.8 +14:04:03
Stellar brightness G=16.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 128 degrees from the moon.
Moon is 29% illuminated.
TNO apparent brightness V=22.1
TNO is 29.1 AU from the Sun
and 29.3 AU from the Earth.
The TNO is moving 15.7
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 139 seconds.
The 1-sigma cross-track error in the shadow position is
2749 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=229.1 km assuming a 5% albedo -- 14.2 sec chord
Diameter=93.5 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523700, (2026/04/22 04:00UT) Object RA Dec mag sep mel Deneb 20:42:19.8 +45:22:32 1.3 31.31 101 Tarazed 19:47:30.6 +10:40:45 2.7 12.68 137 4Zet Del 20:36:32.3 +14:45:59 4.7 0.73 128 PPM 138632 20:36:03.5 +13:33:23 7.8 0.64 129 PPM 138691 20:37:54.6 +14:06:56 9.0 0.09 128 523700 20:37:33.5 +14:04:47 16.2 128 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 523700, (2026/04/22 04:00UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 31.31 101 Tarazed 19:46:15.6 +10:36:48 2.7 12.68 137 4Zet Del 20:35:18.6 +14:40:27 4.7 0.73 128 PPM 138632 20:34:49.2 +13:27:52 7.8 0.64 129 PPM 138691 20:36:40.5 +14:01:22 9.0 0.09 128 523700 20:36:19.4 +13:59:14 16.2 128 Positions are for J2000
Event circumstances last updated at 2022/11/02 01:58:56 UT
Marc W. Buie, Southwest Research Institute