Event between (612574) 03QB91 and star GA0920:00147455 with event index number of 2815403
Geocentric closest approach at 2024/10/05 14:57:05 UTC
J2000 position of star is 01:32:34.1 +03:10:18
Equinox of date position of star is 01:33:43.5 +03:17:10
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 157 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=23.5
TNO is 46.5 AU from the Sun
and 45.5 AU from the Earth.
The TNO is moving 25.5
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 270 seconds.
The 1-sigma cross-track error in the shadow position is
4385 km.
The TNO has an absolute magnitude Hv=6.8
Diameter=269.2 km assuming a 5% albedo -- 10.6 sec chord
Diameter=109.9 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is 3:2E
Star training set for 612574, (2024/10/05 14:57UT) Object RA Dec mag sep mel Fomalhaut 22:59:00.8 -29:29:25 1.2 49.48 108 68Omi Cet 02:20:36.0 -02:51:59 2.0 13.21 157 PPM 144619 01:28:10.5 +03:39:47 6.5 1.46 156 PPM 144719 01:34:01.4 +03:09:31 8.7 0.15 157 612574 01:33:51.0 +03:17:54 16.7 157 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 612574, (2024/10/05 14:57UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 49.48 108 68Omi Cet 02:19:20.8 -02:58:45 2.0 13.21 157 PPM 144619 01:26:53.6 +03:32:06 6.5 1.46 156 PPM 144719 01:32:44.5 +03:01:56 8.7 0.15 157 612574 01:32:34.1 +03:10:18 16.7 157 Positions are for J2000
Event circumstances last updated at 2022/05/03 23:45:36 UT
Marc W. Buie, Southwest Research Institute