Event between 13SF106 and star GA0440:30939055 with event index number of 2464178
Geocentric closest approach at 2021/11/25 07:03:41 UTC
J2000 position of star is 23:48:06.9 -44:42:58
Equinox of date position of star is 23:49:15.2 -44:35:43
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 137 degrees from the moon.
Moon is 72% illuminated.
TNO apparent brightness V=21.5
TNO is 44.5 AU from the Sun
and 44.5 AU from the Earth.
The TNO is moving 20.1
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 110 seconds.
The 1-sigma cross-track error in the shadow position is
2420 km.
The TNO has an absolute magnitude Hv=4.9
Diameter=542.0 km assuming a 5% albedo -- 31.6 sec chord
Diameter=221.3 km assuming a 30% albedo -- 12.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 13SF106, (2021/11/25 07:01UT) Object RA Dec mag sep mel Fomalhaut 22:58:51.4 -29:30:21 1.2 18.09 150 Bet Gru 22:43:57.9 -46:46:10 2.1 11.59 147 PPM 329577 23:45:11.4 -44:57:41 6.0 0.81 138 PPM 329631 23:48:11.4 -44:39:58 9.8 0.20 137 13SF106 23:49:15.6 -44:35:40 16.5 137 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 13SF106, (2021/11/25 07:01UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 18.09 150 Bet Gru 22:42:40.3 -46:53:05 2.1 11.59 147 PPM 329577 23:44:02.1 -45:04:59 6.0 0.81 138 PPM 329631 23:47:02.5 -44:47:16 9.8 0.20 137 13SF106 23:48:06.9 -44:42:58 16.5 137 Positions are for J2000
Event circumstances last updated at 2021/10/05 01:11:38 UT
Marc W. Buie, Southwest Research Institute