Event between 14WS509 and star GA1120:00878915 with event index number of 2682951
Geocentric closest approach at 2022/11/27 18:07:07 UTC
J2000 position of star is 04:58:19.3 +22:16:14
Equinox of date position of star is 04:59:38.1 +22:18:10
Stellar brightness G=14.3,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 19% illuminated.
TNO apparent brightness V=22.5
TNO is 42.8 AU from the Sun
and 41.8 AU from the Earth.
The TNO is moving 25.1
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 192 seconds.
The 1-sigma cross-track error in the shadow position is
1679 km.
The TNO has an absolute magnitude Hv=6.2
Diameter=346.7 km assuming a 5% albedo -- 13.8 sec chord
Diameter=141.6 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 14WS509, (2022/11/27 17:56UT) Object RA Dec mag sep mel Aldebaran 04:37:14.3 +16:33:13 0.8 7.82 131 Alnath 05:27:44.5 +28:37:29 1.6 8.94 145 102Iot Tau 05:04:28.0 +21:37:14 4.6 1.30 139 PPM 093901 04:57:29.4 +22:36:39 8.5 0.60 138 PPM 093939 05:00:37.8 +22:37:03 9.7 0.38 138 14WS509 04:59:41.9 +22:18:15 14.3 138 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 14WS509, (2022/11/27 17:56UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 7.82 131 Alnath 05:26:17.6 +28:36:23 1.6 8.94 145 102Iot Tau 05:03:05.8 +21:35:23 4.6 1.30 139 PPM 093901 04:56:06.7 +22:34:34 8.5 0.60 138 PPM 093939 04:59:15.1 +22:35:04 9.7 0.38 138 14WS509 04:58:19.3 +22:16:14 14.3 138 Positions are for J2000
Event circumstances last updated at 2021/11/16 00:41:09 UT
Marc W. Buie, Southwest Research Institute