Event between (578997) 14JR92 and star GA0880:07108984 with event index number of 2556941
Geocentric closest approach at 2025/04/27 12:59:38 UTC
J2000 position of star is 18:07:41.1 -00:46:51
Equinox of date position of star is 18:08:48.7 -00:46:35
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 118 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=23.3
TNO is 33.6 AU from the Sun
and 33.1 AU from the Earth.
The TNO is moving 14.0
km/sec on the sky relative to the star, or,
2.1 arcsec/hr.
The 1-sigma error in the time of the event is 322 seconds.
The 1-sigma cross-track error in the shadow position is
2333 km.
The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 11.3 sec chord
Diameter=64.4 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is CENTAURR
Star training set for 578997, (2025/04/27 13:00UT) Object RA Dec mag sep mel Antares 16:30:57.8 -26:29:09 0.9 34.88 144 60Bet Oph 17:44:43.5 +04:33:31 2.8 8.07 121 PPM 164879 17:58:22.2 +00:03:54 5.9 2.79 120 PPM 180241 18:07:25.5 -00:26:31 6.8 0.51 118 PPM 180252 18:09:17.4 -00:46:58 9.0 0.08 117 578997 18:08:59.4 -00:46:33 16.4 117 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 578997, (2025/04/27 13:00UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 34.88 144 60Bet Oph 17:43:28.3 +04:34:06 2.8 8.07 121 PPM 164879 17:57:04.3 +00:03:59 5.9 2.79 120 PPM 180241 18:06:07.4 -00:26:46 6.8 0.51 118 PPM 180252 18:07:59.1 -00:47:17 9.0 0.08 117 578997 18:07:41.1 -00:46:51 16.4 117 Positions are for J2000
Event circumstances last updated at 2021/11/08 00:23:33 UT
Marc W. Buie, Southwest Research Institute