Event between 03TH58 and star GA0980:02032373 with event index number of 2003384
Geocentric closest approach at 2021/12/08 00:37:00 UTC
J2000 position of star is 06:36:02.6 +09:12:06
Equinox of date position of star is 06:37:14.4 +09:10:56
Stellar brightness G=14.0,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 146 degrees from the moon.
Moon is 19% illuminated.
TNO apparent brightness V=22.9
TNO is 36.6 AU from the Sun
and 35.7 AU from the Earth.
The TNO is moving 23.8
km/sec on the sky relative to the star, or,
3.3 arcsec/hr.
The 1-sigma error in the time of the event is 144 seconds.
The 1-sigma cross-track error in the shadow position is
2349 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=194.1 km assuming a 5% albedo -- 9.2 sec chord
Diameter=79.2 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is 3:2E
Star training set for 03TH58, (2021/12/08 00:37UT) Object RA Dec mag sep mel Betelgeuse 05:56:21.6 +07:24:34 0.4 10.27 136 Alhena 06:38:58.7 +16:22:43 1.9 7.21 149 14 Mon 06:35:57.6 +07:33:13 6.5 1.66 145 PPM 150882 06:38:35.7 +09:20:25 8.1 0.37 146 PPM 150841 06:37:20.7 +08:51:27 10.9 0.33 146 03TH58 06:37:14.8 +09:10:56 14.0 146 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 03TH58, (2021/12/08 00:37UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 10.27 136 Alhena 06:37:42.8 +16:23:57 1.9 7.21 149 14 Mon 06:34:46.3 +07:34:21 6.5 1.66 145 PPM 150882 06:37:23.5 +09:21:37 8.1 0.37 146 PPM 150841 06:36:08.7 +08:52:37 10.9 0.33 146 03TH58 06:36:02.6 +09:12:06 14.0 146 Positions are for J2000
Event circumstances last updated at 2021/10/26 23:50:09 UT
Marc W. Buie, Southwest Research Institute