Event between (579077) 14LP28 and star GA0860:16889883 with event index number of 2557936
Geocentric closest approach at 2026/08/25 13:57:20 UTC
J2000 position of star is 22:43:47.2 -02:54:04
Equinox of date position of star is 22:44:58.0 -02:46:51
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 40 degrees from the moon.
Moon is 93% illuminated.
TNO apparent brightness V=22.2
TNO is 39.3 AU from the Sun
and 38.4 AU from the Earth.
The TNO is moving 24.5
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 163 seconds.
The 1-sigma cross-track error in the shadow position is
2191 km.
The TNO has an absolute magnitude Hv=6.3
Diameter=332.7 km assuming a 5% albedo -- 13.7 sec chord
Diameter=135.8 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 579077, (2026/08/25 13:57UT) Object RA Dec mag sep mel Fomalhaut 22:59:06.9 -29:28:49 1.2 26.92 36 Markab 23:06:05.4 +15:20:57 2.5 18.84 55 PPM 206643 22:42:10.6 -03:24:53 6.5 0.99 38 PPM 206664 22:43:29.3 -03:20:01 7.6 0.71 39 PPM 206712 22:45:31.0 -02:35:57 9.5 0.18 40 579077 22:45:09.8 -02:45:38 15.6 40 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 579077, (2026/08/25 13:57UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 26.92 36 Markab 23:04:45.8 +15:12:18 2.5 18.84 55 PPM 206643 22:40:48.0 -03:33:16 6.5 0.99 38 PPM 206664 22:42:06.7 -03:28:25 7.6 0.71 39 PPM 206712 22:44:08.5 -02:44:22 9.5 0.18 40 579077 22:43:47.2 -02:54:04 15.6 39 Positions are for J2000
Event circumstances last updated at 2022/11/04 04:30:12 UT
Marc W. Buie, Southwest Research Institute