Event between (523700) 14GM54 and star GA1020:17773874 with event index number of 2089847
Geocentric closest approach at 2025/11/19 14:35:37 UTC
J2000 position of star is 20:17:40.1 +13:23:59
Equinox of date position of star is 20:18:44.3 +13:28:19
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 84 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.0
TNO is 29.0 AU from the Sun
and 29.2 AU from the Earth.
The TNO is moving 23.6
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 90 seconds.
The 1-sigma cross-track error in the shadow position is
2007 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=229.1 km assuming a 5% albedo -- 9.5 sec chord
Diameter=93.5 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 3:2E+6:4II
Star training set for 523700, (2025/11/19 14:36UT) Object RA Dec mag sep mel Deneb 20:42:18.9 +45:22:26 1.3 32.28 101 Tarazed 19:47:29.4 +10:40:41 2.7 8.17 76 PPM 138154 20:21:32.8 +14:39:09 6.1 1.34 85 PPM 138134 20:21:13.0 +13:37:50 6.7 0.59 85 PPM 138085 20:19:49.4 +13:22:47 9.6 0.25 84 PPM 138062 20:19:02.7 +13:27:46 10.6 0.04 84 523700 20:18:52.9 +13:28:53 16.4 85 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, (2025/11/19 14:36UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 32.28 101 Tarazed 19:46:15.6 +10:36:48 2.7 8.17 76 PPM 138154 20:20:20.5 +14:34:09 6.1 1.34 85 PPM 138134 20:20:00.2 +13:32:51 6.7 0.59 85 PPM 138085 20:18:36.5 +13:17:51 9.6 0.25 84 PPM 138062 20:17:49.9 +13:22:51 10.6 0.04 84 523700 20:17:40.1 +13:23:59 16.4 84 Positions are for J2000
Event circumstances last updated at 2022/10/29 01:40:29 UT
Marc W. Buie, Southwest Research Institute