Event between (523711) 14JH80 and star GA1000:19186814 with event index number of 2619928
Geocentric closest approach at 2028/06/04 14:18:32 UTC
J2000 position of star is 21:38:01.6 +10:00:26
Equinox of date position of star is 21:39:08.9 +10:06:40
Stellar brightness G=15.6,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 110 degrees from the moon.
Moon is 91% illuminated.
TNO apparent brightness V=22.4
TNO is 34.0 AU from the Sun
and 33.7 AU from the Earth.
The TNO is moving 15.1
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 262 seconds.
The 1-sigma cross-track error in the shadow position is
2853 km.
The TNO has an absolute magnitude Hv=6.9
Diameter=244.4 km assuming a 5% albedo -- 16.5 sec chord
Diameter=99.8 km assuming a 30% albedo -- 6.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 523711, (2028/06/04 14:16UT) Object RA Dec mag sep mel Vega 18:37:54.0 +38:48:40 0.0 49.53 83 Markab 23:06:10.7 +15:21:32 2.5 21.78 132 PPM 140523 21:43:56.3 +10:57:19 5.9 1.38 111 PPM 172054 21:40:24.5 +10:01:03 8.4 0.27 110 PPM 172042 21:39:43.0 +09:57:19 9.2 0.20 110 PPM 140408 21:39:12.3 +10:08:55 10.5 0.05 110 523711 21:39:25.1 +10:08:11 15.6 110 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 523711, (2028/06/04 14:16UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 49.53 83 Markab 23:04:45.8 +15:12:18 2.5 21.78 132 PPM 140523 21:42:33.0 +10:49:28 5.9 1.38 111 PPM 172054 21:39:00.9 +09:53:16 8.4 0.27 110 PPM 172042 21:38:19.4 +09:49:34 9.2 0.20 110 PPM 140408 21:37:48.8 +10:01:10 10.5 0.05 110 523711 21:38:01.6 +10:00:26 15.6 110 Positions are for J2000
Event circumstances last updated at 2022/11/30 02:54:16 UT
Marc W. Buie, Southwest Research Institute