Event between (579246) 14OX415 and star GA0800:07620107 with event index number of 2558362
Geocentric closest approach at 2026/04/17 20:52:36 UTC
J2000 position of star is 17:58:28.6 -09:44:31
Equinox of date position of star is 17:59:41.4 -09:44:33
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 121 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=22.5
TNO is 28.8 AU from the Sun
and 28.3 AU from the Earth.
The TNO is moving 8.8
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 822 seconds.
The 1-sigma cross-track error in the shadow position is
2793 km.
The TNO has an absolute magnitude Hv=7.8
Diameter=162.2 km assuming a 5% albedo -- 18.5 sec chord
Diameter=66.2 km assuming a 30% albedo -- 7.5 sec chord
Dynamical classification is 3:2E
Star training set for 579246, (2026/04/17 20:53UT) Object RA Dec mag sep mel Antares 16:31:01.4 -26:29:17 0.9 26.87 143 35Eta Oph 17:11:53.3 -15:45:20 2.6 13.16 134 64Nu Oph 18:00:28.5 -09:46:28 3.3 0.14 121 PPM 201352 18:05:21.1 -09:15:01 8.3 1.43 120 PPM 201243 17:59:24.7 -09:47:51 9.6 0.14 121 579246 17:59:55.4 -09:44:33 17.0 121 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 579246, (2026/04/17 20:53UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 26.87 143 35Eta Oph 17:10:22.7 -15:43:29 2.6 13.16 134 64Nu Oph 17:59:01.6 -09:46:28 3.3 0.14 121 PPM 201352 18:03:54.5 -09:15:12 8.3 1.43 120 PPM 201243 17:57:57.8 -09:47:48 9.6 0.14 121 579246 17:58:28.6 -09:44:31 17.0 121 Positions are for J2000
Event circumstances last updated at 2022/01/12 00:37:18 UT
Marc W. Buie, Southwest Research Institute