Event between (523674) 13MA12 and star UC4-326-205101 with event index number of 308929
Geocentric closest approach at 2019/10/01 15:10:43 UTC
J2000 position of star is 21:22:33.4 -24:53:51
Equinox of date position of star is 21:23:38.6 -24:48:59
Stellar brightness R=15.2,
use SENSEUP=128
Star is 88 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=22.0
TNO is 42.5 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 13.6
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 152 seconds.
The 1-sigma cross-track error in the shadow position is
1546 km.
The TNO has an absolute magnitude Hv=5.6
Diameter=457.1 km assuming a 5% albedo -- 33.5 sec chord
Diameter=186.6 km assuming a 30% albedo -- 13.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 523674, (2019/10/01 15:11UT) Object RA Dec mag sep mel Fomalhaut 22:58:44.3 -29:31:02 1.2 21.61 106 PPM 272410 21:24:08.2 -22:35:01 5.4 2.23 89 PPM 272425 21:25:04.5 -25:07:01 6.6 0.44 88 PPM 272396 21:23:32.7 -25:04:45 9.4 0.27 88 523674 21:23:41.9 -24:48:45 15.2 88 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 523674, (2019/10/01 15:11UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 21.61 106 PPM 272410 21:23:00.6 -22:40:08 5.4 2.23 89 PPM 272425 21:23:56.0 -25:12:09 6.6 0.44 88 PPM 272396 21:22:24.2 -25:09:52 9.4 0.27 88 523674 21:22:33.4 -24:53:51 15.2 88 Positions are for J2000
Event circumstances last updated at 2018/10/24 21:57:56 UT
Marc W. Buie, Southwest Research Institute