Event between 04MW8 and star GA0820:22245393 with event index number of 1078400
Geocentric closest approach at 2021/08/12 01:02:38 UTC
J2000 position of star is 21:54:45.7 -07:01:19
Equinox of date position of star is 21:55:53.0 -06:55:14
Stellar brightness G=14.2,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 144 degrees from the moon.
Moon is 14% illuminated.
TNO apparent brightness V=22.6
TNO is 25.1 AU from the Sun
and 24.1 AU from the Earth.
The TNO is moving 22.6
km/sec on the sky relative to the star, or,
4.7 arcsec/hr.
The 1-sigma error in the time of the event is 79 seconds.
The 1-sigma cross-track error in the shadow position is
1275 km.
The TNO has an absolute magnitude Hv=8.6
Diameter=117.5 km assuming a 5% albedo -- 5.2 sec chord
Diameter=48.0 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 04MW8, (2021/08/12 01:01UT) Object RA Dec mag sep mel Fomalhaut 22:58:50.4 -29:30:26 1.2 27.01 147 PPM 205611 21:48:46.4 -05:48:57 6.3 2.09 143 PPM 205781 21:57:22.1 -06:52:36 8.0 0.37 145 PPM 205727 21:54:48.6 -07:02:08 9.6 0.29 144 04MW8 21:55:54.0 -06:55:08 14.2 145 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 04MW8, (2021/08/12 01:01UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 27.01 147 PPM 205611 21:47:38.3 -05:55:00 6.3 2.09 143 PPM 205781 21:56:13.9 -06:58:48 8.0 0.37 145 PPM 205727 21:53:40.2 -07:08:18 9.6 0.29 144 04MW8 21:54:45.7 -07:01:19 14.2 144 Positions are for J2000
Event circumstances last updated at 2021/04/19 23:04:19 UT
Marc W. Buie, Southwest Research Institute