Event between (535025) 14WT509 and star GA1000:00743634 with event index number of 2338255
Geocentric closest approach at 2027/02/07 13:21:33 UTC
J2000 position of star is 05:22:04.7 +10:53:31
Equinox of date position of star is 05:23:18.1 +10:54:43
Stellar brightness G=15.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 112 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=23.0
TNO is 36.7 AU from the Sun
and 36.2 AU from the Earth.
The TNO is moving 12.1
km/sec on the sky relative to the star, or,
1.7 arcsec/hr.
The 1-sigma error in the time of the event is 469 seconds.
The 1-sigma cross-track error in the shadow position is
2999 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 18.1 sec chord
Diameter=89.3 km assuming a 30% albedo -- 7.4 sec chord
Dynamical classification is 2:1E
Star training set for 535025, (2027/02/07 13:05UT) Object RA Dec mag sep mel Betelgeuse 05:56:38.4 +07:24:35 0.4 8.88 119 Bellatrix 05:26:35.2 +06:22:19 1.6 4.60 112 18 Ori 05:17:34.6 +11:22:11 5.6 1.54 110 PPM 120858 05:22:42.3 +11:08:02 7.6 0.31 112 PPM 120852 05:22:25.7 +10:49:06 10.9 0.30 112 535025 05:23:34.9 +10:54:59 15.4 112 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, (2027/02/07 13:05UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 8.88 119 Bellatrix 05:25:07.8 +06:20:58 1.6 4.60 112 18 Ori 05:16:04.1 +11:20:29 5.6 1.54 110 PPM 120858 05:21:11.9 +11:06:32 7.6 0.31 112 PPM 120852 05:20:55.6 +10:47:35 10.9 0.30 112 535025 05:22:04.7 +10:53:31 15.4 112 Positions are for J2000
Event circumstances last updated at 2022/01/21 23:59:50 UT
Marc W. Buie, Southwest Research Institute