Event between (60454) 00CH105 and star GA0820:04288299 with event index number of 1422008
Geocentric closest approach at 2025/02/02 17:05:36 UTC
J2000 position of star is 12:52:32.1 -06:39:07
Equinox of date position of star is 12:53:41.4 -06:46:21
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 175 degrees from the moon.
Moon is 22% illuminated.
TNO apparent brightness V=23.1
TNO is 42.1 AU from the Sun
and 41.6 AU from the Earth.
The TNO is moving 9.8
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 468 seconds.
The 1-sigma cross-track error in the shadow position is
2610 km.
The TNO has an absolute magnitude Hv=6.7
Diameter=271.7 km assuming a 5% albedo -- 27.7 sec chord
Diameter=110.9 km assuming a 30% albedo -- 11.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 60454, (2025/02/02 17:04UT) Object RA Dec mag sep mel Spica 13:26:31.1 -11:17:29 1.0 9.24 166 PPM 195939 12:54:55.9 -04:21:39 6.5 2.44 175 PPM 195901 12:52:58.3 -06:16:09 8.4 0.56 175 PPM 195913 12:53:36.8 -06:44:27 9.6 0.07 175 60454 12:53:50.2 -06:47:16 15.6 174 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 60454, (2025/02/02 17:04UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 9.24 166 PPM 195939 12:53:38.1 -04:13:30 6.5 2.44 175 PPM 195901 12:51:40.4 -06:07:59 8.4 0.56 175 PPM 195913 12:52:18.8 -06:36:18 9.6 0.07 175 60454 12:52:32.1 -06:39:07 15.6 175 Positions are for J2000
Event circumstances last updated at 2022/04/05 23:09:21 UT
Marc W. Buie, Southwest Research Institute