Event between (523635) 10DN93 and star GA1220:03681462 with event index number of 2626230
Geocentric closest approach at 2025/06/21 11:04:53 UTC
J2000 position of star is 13:44:08.2 +33:06:24
Equinox of date position of star is 13:45:14.0 +32:59:04
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 130 degrees from the moon.
Moon is 21% illuminated.
Apparent brightness V=21.9
Object is 49.5 AU from the Sun
and 49.4 AU from the Earth.
Apparent velocity is 19.1
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 157 seconds.
The 1-sigma cross-track error in the shadow position is
3030 km.
The object has an absolute magnitude Hv=4.8
Diameter=669.9 km assuming a 5% albedo -- 35.3 sec chord
Diameter=273.5 km assuming a 30% albedo -- 14.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 523635, (2025/06/21 11:01UT) Object RA Dec mag sep mel Arcturus 14:16:49.7 +19:03:10 0.0 15.61 144 Alkaid 13:48:32.6 +49:11:13 1.9 16.22 114 PPM 077376 13:43:51.4 +34:51:41 6.0 1.91 128 PPM 077350 13:41:38.7 +32:42:28 8.2 0.81 130 PPM 077428 13:48:20.8 +33:10:50 9.6 0.67 130 PPM 077390 13:44:57.1 +32:53:13 10.6 0.12 130 523635 13:45:16.7 +32:58:46 14.3 130 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 523635, (2025/06/21 11:01UT) Object RA Dec mag sep mel Arcturus 14:15:38.0 +19:10:13 0.0 15.61 144 Alkaid 13:47:32.2 +49:18:48 1.9 16.22 114 PPM 077376 13:42:43.5 +34:59:21 6.0 1.91 128 PPM 077350 13:40:29.7 +32:50:09 8.2 0.81 130 PPM 077428 13:47:12.6 +33:18:25 9.6 0.67 130 PPM 077390 13:43:48.5 +33:00:51 10.6 0.12 130 523635 13:44:08.2 +33:06:24 14.3 130 Positions are for J2000
Event circumstances last updated at 2024/06/13 03:56:03 UT
Marc W. Buie, Southwest Research Institute