Event between (55638) 02VE95 and star GA0940:02681859 with event index number of 2250295
Geocentric closest approach at 2026/09/18 13:07:03 UTC
J2000 position of star is 07:22:45.0 +05:48:03
Equinox of date position of star is 07:24:02.4 +05:45:11
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 144 degrees from the moon.
Moon is 47% illuminated.
Apparent brightness V=20.8
Object is 31.9 AU from the Sun
and 32.3 AU from the Earth.
Apparent velocity is 19.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 178 seconds.
The 1-sigma cross-track error in the shadow position is
1845 km.
The object has an absolute magnitude Hv=5.6
Diameter=524.8 km assuming a 5% albedo -- 23.3 sec chord
Diameter=214.3 km assuming a 30% albedo -- 9.5 sec chord
Dynamical classification is 3:2E
Star training set for 55638, (2026/09/18 13:07UT) Object RA Dec mag sep mel Betelgeuse 05:56:37.1 +07:24:35 0.4 21.81 158 Alhena 06:39:15.3 +16:22:27 1.9 15.30 160 PPM 152401 07:21:14.1 +07:05:29 6.4 1.53 146 PPM 152526 07:24:19.6 +06:19:12 8.3 0.57 145 PPM 152523 07:24:14.8 +05:53:39 9.9 0.15 144 55638 07:24:10.5 +05:44:52 16.8 144 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, (2026/09/18 13:07UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 21.81 158 Alhena 06:37:42.8 +16:23:57 1.9 15.30 160 PPM 152401 07:19:47.7 +07:08:33 6.4 1.53 146 PPM 152526 07:22:53.8 +06:22:23 8.3 0.57 145 PPM 152523 07:22:49.2 +05:56:49 9.9 0.15 144 55638 07:22:45.0 +05:48:03 16.8 144 Positions are for J2000
Event circumstances last updated at 2024/03/05 04:40:01 UT
Marc W. Buie, Southwest Research Institute