Event between (535025) 14WT509 and star GA1000:00702251 with event index number of 2338144
Geocentric closest approach at 2024/09/15 19:01:39 UTC
J2000 position of star is 05:16:10.1 +11:08:24
Equinox of date position of star is 05:17:23.0 +11:09:46
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 116 degrees from the moon.
Moon is 92% illuminated.
TNO apparent brightness V=23.0
TNO is 36.4 AU from the Sun
and 36.3 AU from the Earth.
The TNO is moving 7.0
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 538 seconds.
The 1-sigma cross-track error in the shadow position is
3135 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 31.4 sec chord
Diameter=89.3 km assuming a 30% albedo -- 12.8 sec chord
Dynamical classification is 2:1E
Star training set for 535025, (2024/09/15 19:14UT) Object RA Dec mag sep mel Betelgeuse 05:56:30.6 +07:24:35 0.4 10.32 125 Bellatrix 05:26:27.5 +06:22:12 1.6 5.28 117 18 Ori 05:17:26.6 +11:22:02 5.6 0.20 116 PPM 120734 05:15:21.7 +11:30:42 8.5 0.64 116 PPM 120770 05:17:12.5 +11:08:27 8.7 0.09 116 535025 05:17:32.5 +11:09:56 13.2 117 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 535025, (2024/09/15 19:14UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 10.32 125 Bellatrix 05:25:07.8 +06:20:58 1.6 5.28 117 18 Ori 05:16:04.1 +11:20:29 5.6 0.20 116 PPM 120734 05:13:59.1 +11:29:05 8.5 0.64 116 PPM 120770 05:15:50.1 +11:06:54 8.7 0.09 116 535025 05:16:10.1 +11:08:24 13.2 116 Positions are for J2000
Event circumstances last updated at 2021/11/16 00:55:02 UT
Marc W. Buie, Southwest Research Institute