Event between (558095) 14WA536 and star GA0740:04444202 with event index number of 2560711
Geocentric closest approach at 2022/12/12 23:08:55 UTC
J2000 position of star is 09:50:40.2 -14:10:04
Equinox of date position of star is 09:51:43.3 -14:16:13
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 37 degrees from the moon.
Moon is 80% illuminated.
TNO apparent brightness V=22.3
TNO is 30.9 AU from the Sun
and 30.7 AU from the Earth.
The TNO is moving 13.7
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 108 seconds.
The 1-sigma cross-track error in the shadow position is
1691 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=222.9 km assuming a 5% albedo -- 16.2 sec chord
Diameter=91.0 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is 5:2EEE
Star training set for 558095, (2022/12/12 23:09UT) Object RA Dec mag sep mel Regulus 10:09:35.5 +11:51:15 1.3 26.50 17 Alphard 09:28:42.9 -08:45:33 2.0 7.89 31 39Ups1Hya 09:52:35.0 -14:57:19 4.3 0.71 38 PPM 222123 09:52:55.7 -14:11:14 7.7 0.29 37 PPM 222106 09:52:24.8 -14:14:07 8.8 0.16 37 558095 09:51:46.7 -14:16:33 16.9 37 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 558095, (2022/12/12 23:09UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 26.50 17 Alphard 09:27:35.2 -08:39:30 2.0 7.89 31 39Ups1Hya 09:51:28.7 -14:50:49 4.3 0.71 38 PPM 222123 09:51:49.2 -14:04:44 7.7 0.29 37 PPM 222106 09:51:18.3 -14:07:37 8.8 0.16 37 558095 09:50:40.2 -14:10:04 16.9 37 Positions are for J2000
Event circumstances last updated at 2021/10/15 01:18:46 UT
Marc W. Buie, Southwest Research Institute