Event between (523701) 14HT199 and star GA0640:12449586 with event index number of 2334274
Geocentric closest approach at 2028/03/04 15:23:46 UTC
J2000 position of star is 17:14:05.1 -24:05:06
Equinox of date position of star is 17:15:26.1 -24:06:33
Stellar brightness G=16.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 177 degrees from the moon.
Moon is 53% illuminated.
TNO apparent brightness V=22.3
TNO is 29.9 AU from the Sun
and 30.0 AU from the Earth.
The TNO is moving 9.3
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 649 seconds.
The 1-sigma cross-track error in the shadow position is
2361 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 21.9 sec chord
Diameter=83.4 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is 3:2E
Star training set for 523701, (2028/03/04 15:24UT) Object RA Dec mag sep mel Antares 16:31:08.4 -26:29:31 0.9 10.37 172 35Eta Oph 17:11:59.8 -15:45:28 2.6 8.41 169 PPM 266746 17:23:25.4 -24:55:55 6.5 1.92 176 PPM 266603 17:16:30.5 -24:05:26 8.4 0.16 177 PPM 266584 17:15:29.1 -24:05:01 9.0 0.08 177 523701 17:15:48.3 -24:06:57 16.6 177 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 523701, (2028/03/04 15:24UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.37 172 35Eta Oph 17:10:22.7 -15:43:29 2.6 8.41 169 PPM 266746 17:21:41.5 -24:54:23 6.5 1.92 176 PPM 266603 17:14:47.4 -24:03:37 8.4 0.16 177 PPM 266584 17:13:46.0 -24:03:10 9.0 0.08 177 523701 17:14:05.1 -24:05:06 16.6 177 Positions are for J2000
Event circumstances last updated at 2022/02/09 00:51:01 UT
Marc W. Buie, Southwest Research Institute