Event between 04MU8 and star GA0700:34252814 with event index number of 286426
Geocentric closest approach at 2020/09/09 22:22:10 UTC
J2000 position of star is 20:35:07.9 -19:47:01
Equinox of date position of star is 20:36:16.3 -19:42:51
Stellar brightness G=15.7,
use SENSEUP=128
Star is 126 degrees from the moon.
Moon is 55% illuminated.
TNO apparent brightness V=22.9
TNO is 47.5 AU from the Sun
and 46.8 AU from the Earth.
The TNO is moving 17.7
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 142 seconds.
The 1-sigma cross-track error in the shadow position is
1827 km.
The TNO has an absolute magnitude Hv=6.1
Diameter=361.4 km assuming a 5% albedo -- 20.4 sec chord
Diameter=147.5 km assuming a 30% albedo -- 8.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 04MU8, (2020/09/09 22:22UT) Object RA Dec mag sep mel Fomalhaut 22:58:47.4 -29:30:44 1.2 33.68 98 38Zet Sgr 19:03:55.6 -29:50:56 2.7 23.23 148 15Ups Cap 20:41:13.5 -18:03:52 5.2 2.01 125 PPM 237612 20:35:38.8 -19:19:34 8.2 0.42 126 PPM 271344 20:36:16.0 -20:04:39 9.3 0.37 126 04MU8 20:36:19.2 -19:42:41 15.7 126 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 04MU8, (2020/09/09 22:22UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:23 1.2 33.68 98 38Zet Sgr 19:02:36.7 -29:52:49 2.7 23.23 148 15Ups Cap 20:40:02.9 -18:08:20 5.2 2.01 125 PPM 237612 20:34:27.6 -19:23:54 8.2 0.42 126 PPM 271344 20:35:04.5 -20:09:00 9.3 0.37 126 04MU8 20:35:07.9 -19:47:01 15.7 126 Positions are for J2000
Event circumstances last updated at 2019/11/01 19:29:13 UT
Marc W. Buie, Southwest Research Institute