Event between (523639) 10RE64 and star GA0780:00035372 with event index number of 1033020
Geocentric closest approach at 2021/01/20 11:06:21 UTC
J2000 position of star is 00:25:49.8 -10:28:44
Equinox of date position of star is 00:26:53.7 -10:21:47
Stellar brightness G=14.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 25 degrees from the moon.
Moon is 46% illuminated.
TNO apparent brightness V=21.6
TNO is 51.0 AU from the Sun
and 51.4 AU from the Earth.
The TNO is moving 19.5
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 96 seconds.
The 1-sigma cross-track error in the shadow position is
1865 km.
The TNO has an absolute magnitude Hv=4.4
Diameter=794.4 km assuming a 5% albedo -- 40.7 sec chord
Diameter=324.3 km assuming a 30% albedo -- 16.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 523639, (2021/01/20 11:06UT) Object RA Dec mag sep mel Fomalhaut 22:58:48.6 -29:30:37 1.2 28.09 53 Diphda 00:44:38.7 -17:52:17 2.0 8.65 28 9 Cet 00:23:56.5 -12:05:33 6.4 1.88 27 PPM 182267 00:28:11.1 -09:45:25 7.6 0.68 25 PPM 208785 00:26:55.5 -10:20:10 9.4 0.03 25 523639 00:26:53.9 -10:21:45 14.5 25 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 523639, (2021/01/20 11:06UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 28.09 53 Diphda 00:43:35.7 -17:59:11 2.0 8.65 28 9 Cet 00:22:52.3 -12:12:33 6.4 1.88 27 PPM 182267 00:27:06.9 -09:52:24 7.6 0.68 25 PPM 208785 00:25:51.3 -10:27:10 9.4 0.03 25 523639 00:25:49.8 -10:28:44 14.5 25 Positions are for J2000
Event circumstances last updated at 2020/12/21 23:36:10 UT
Marc W. Buie, Southwest Research Institute