Event between (535167) 14XT40 and star GA1080:00554196 with event index number of 2260187
Geocentric closest approach at 2022/11/11 18:40:15 UTC
J2000 position of star is 04:23:15.0 +18:36:09
Equinox of date position of star is 04:24:31.2 +18:39:07
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 21 degrees from the moon.
Moon is 89% illuminated.
TNO apparent brightness V=22.4
TNO is 32.5 AU from the Sun
and 31.6 AU from the Earth.
The TNO is moving 23.1
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 95 seconds.
The 1-sigma cross-track error in the shadow position is
1248 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 9.0 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is 3:2E
Star training set for 535167, (2022/11/11 18:31UT) Object RA Dec mag sep mel Aldebaran 04:37:14.1 +16:33:12 0.8 3.68 19 44Zet Per 03:55:34.5 +31:56:59 2.8 14.81 25 PPM 119867 04:26:17.3 +19:05:34 6.4 0.60 20 PPM 119815 04:22:52.0 +18:28:13 7.4 0.45 21 PPM 119829 04:23:56.2 +18:53:19 11.7 0.28 21 535167 04:24:34.7 +18:39:15 17.0 21 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 535167, (2022/11/11 18:31UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 3.68 19 44Zet Per 03:54:07.9 +31:53:01 2.8 14.81 25 PPM 119867 04:24:57.3 +19:02:31 6.4 0.60 20 PPM 119815 04:21:32.4 +18:25:03 7.4 0.45 21 PPM 119829 04:22:36.3 +18:50:11 11.7 0.28 21 535167 04:23:15.0 +18:36:09 17.0 21 Positions are for J2000
Event circumstances last updated at 2021/11/15 00:50:54 UT
Marc W. Buie, Southwest Research Institute