Event between (612688) 03UT292 and star GA0940:02355919 with event index number of 2817288
Geocentric closest approach at 2026/03/03 21:19:49 UTC
J2000 position of star is 06:59:23.6 +05:14:00
Equinox of date position of star is 07:00:34.9 +05:12:04
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 64 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=21.7
TNO is 27.7 AU from the Sun
and 27.2 AU from the Earth.
The TNO is moving 12.3
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 353 seconds.
The 1-sigma cross-track error in the shadow position is
4284 km.
The TNO has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 18.8 sec chord
Diameter=94.4 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is 3:2E
Star training set for 612688, (2026/03/03 21:20UT) Object RA Dec mag sep mel Betelgeuse 05:56:35.4 +07:24:35 0.4 16.10 80 Alhena 06:39:13.4 +16:22:29 1.9 12.37 69 PPM 151776 07:03:19.0 +05:31:04 6.4 0.71 63 PPM 151771 07:03:04.8 +04:46:44 6.8 0.71 63 PPM 151672 07:00:32.8 +05:14:51 8.8 0.08 64 612688 07:00:47.1 +05:11:44 17.0 63 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 612688, (2026/03/03 21:20UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 16.10 80 Alhena 06:37:42.8 +16:23:56 1.9 12.37 69 PPM 151776 07:01:55.2 +05:33:25 6.4 0.71 63 PPM 151771 07:01:41.5 +04:49:05 6.8 0.71 63 PPM 151672 06:59:09.2 +05:17:07 8.8 0.08 64 612688 06:59:23.6 +05:14:00 17.0 64 Positions are for J2000
Event circumstances last updated at 2022/05/04 23:27:40 UT
Marc W. Buie, Southwest Research Institute