Event between (55638) 02VE95 and star GA0960:02407409 with event index number of 2250047
Geocentric closest approach at 2025/04/22 07:11:03 UTC
J2000 position of star is 06:57:07.5 +06:33:04
Equinox of date position of star is 06:58:25.4 +06:31:03
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon.
Moon is 37% illuminated.
Apparent brightness V=20.8
Object is 31.5 AU from the Sun
and 31.8 AU from the Earth.
Apparent velocity is 16.1
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 156 seconds.
The 1-sigma cross-track error in the shadow position is
1329 km.
The object has an absolute magnitude Hv=5.6
Diameter=524.8 km assuming a 5% albedo -- 28.6 sec chord
Diameter=214.3 km assuming a 30% albedo -- 11.7 sec chord
Dynamical classification is 3:2E
Star training set for 55638, (2025/04/22 07:11UT) Object RA Dec mag sep mel Betelgeuse 05:56:32.6 +07:24:35 0.4 15.40 128 Alhena 06:39:10.4 +16:22:32 1.9 10.93 140 PPM 151677 07:00:42.1 +07:16:49 6.1 0.94 143 PPM 151571 06:57:46.9 +05:58:10 7.6 0.57 142 PPM 151598 06:58:20.8 +06:27:38 9.5 0.06 142 55638 06:58:29.1 +06:30:58 17.0 143 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 55638, (2025/04/22 07:11UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 15.40 128 Alhena 06:37:42.8 +16:23:57 1.9 10.93 140 PPM 151677 06:59:20.1 +07:19:00 6.1 0.94 143 PPM 151571 06:56:25.7 +06:00:15 7.6 0.57 142 PPM 151598 06:56:59.3 +06:29:44 9.5 0.06 142 55638 06:57:07.5 +06:33:04 17.0 142 Positions are for J2000
Event circumstances last updated at 2024/03/05 04:24:22 UT
Marc W. Buie, Southwest Research Institute