Event between (613469) 06QJ181 and star GA1000:02526613 with event index number of 2809907
Geocentric closest approach at 2025/10/01 03:53:39 UTC
J2000 position of star is 06:57:46.8 +11:33:37
Equinox of date position of star is 06:59:01.4 +11:31:44
Stellar brightness G=15.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 163 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=22.3
TNO is 31.7 AU from the Sun
and 31.8 AU from the Earth.
The TNO is moving 11.8
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 290 seconds.
The 1-sigma cross-track error in the shadow position is
3818 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 19.5 sec chord
Diameter=94.4 km assuming a 30% albedo -- 8.0 sec chord
Dynamical classification is 3:1EE+3:1II
Star training set for 613469, (2025/10/01 03:54UT) Object RA Dec mag sep mel Betelgeuse 05:56:34.0 +07:24:35 0.4 15.98 150 Alhena 06:39:11.9 +16:22:30 1.9 6.86 163 PPM 123452 07:05:03.6 +10:54:42 6.5 1.56 163 PPM 123288 06:58:16.0 +11:21:22 7.4 0.29 163 613469 06:59:12.8 +11:31:27 15.7 163 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 613469, (2025/10/01 03:54UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 15.98 150 Alhena 06:37:42.8 +16:23:56 1.9 6.86 163 PPM 123452 07:03:38.1 +10:57:05 6.5 1.56 163 PPM 123288 06:56:50.1 +11:23:30 7.4 0.29 163 613469 06:57:46.8 +11:33:37 15.7 163 Positions are for J2000
Event circumstances last updated at 2022/05/04 23:01:00 UT
Marc W. Buie, Southwest Research Institute