Event between 14WA556 and star GA0760:00138895 with event index number of 1949661
Geocentric closest approach at 2021/10/28 15:38:27 UTC
J2000 position of star is 01:43:56.3 -13:44:41
Equinox of date position of star is 01:45:00.1 -13:38:09
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 105 degrees from the moon.
Moon is 52% illuminated.
TNO apparent brightness V=22.1
TNO is 40.3 AU from the Sun
and 39.4 AU from the Earth.
The TNO is moving 23.6
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 75 seconds.
The 1-sigma cross-track error in the shadow position is
1564 km.
The TNO has an absolute magnitude Hv=6.0
Diameter=326.6 km assuming a 5% albedo -- 16.1 sec chord
Diameter=133.3 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 14WA556, (2021/10/28 15:39UT) Object RA Dec mag sep mel Fomalhaut 22:58:51.1 -29:30:22 1.2 41.48 146 68Omi Cet 02:20:27.0 -02:52:47 2.0 13.87 93 52Tau Cet 01:45:05.0 -15:49:24 3.5 2.19 106 PPM 210628 01:47:31.6 -13:23:33 8.4 0.66 105 PPM 210561 01:44:28.4 -13:35:23 9.1 0.14 105 14WA556 01:45:00.2 -13:38:08 16.9 105 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 14WA556, (2021/10/28 15:39UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 41.48 146 68Omi Cet 02:19:20.8 -02:58:45 2.0 13.87 93 52Tau Cet 01:44:01.5 -15:55:57 3.5 2.19 106 PPM 210628 01:46:27.6 -13:30:04 8.4 0.66 105 PPM 210561 01:43:24.4 -13:41:56 9.1 0.14 105 14WA556 01:43:56.3 -13:44:41 16.9 105 Positions are for J2000
Event circumstances last updated at 2021/10/07 00:32:45 UT
Marc W. Buie, Southwest Research Institute