Event between 14SP373 and star GA0820:00212091 with event index number of 2559057
Geocentric closest approach at 2021/10/15 18:36:37 UTC
J2000 position of star is 02:44:32.6 -06:43:12
Equinox of date position of star is 02:45:37.3 -06:37:44
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 70 degrees from the moon.
Moon is 77% illuminated.
TNO apparent brightness V=22.0
TNO is 32.2 AU from the Sun
and 31.3 AU from the Earth.
The TNO is moving 24.0
km/sec on the sky relative to the star, or,
3.8 arcsec/hr.
The 1-sigma error in the time of the event is 64 seconds.
The 1-sigma cross-track error in the shadow position is
1255 km.
The TNO has an absolute magnitude Hv=6.9
Diameter=217.8 km assuming a 5% albedo -- 10.3 sec chord
Diameter=88.9 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is 3:2E
Star training set for 14SP373, (2021/10/15 18:37UT) Object RA Dec mag sep mel Aldebaran 04:37:10.4 +16:33:05 0.8 36.03 103 68Omi Cet 02:20:26.9 -02:52:47 2.0 7.31 65 80 Cet 02:37:04.5 -07:44:16 5.5 2.39 68 PPM 184967 02:45:14.0 -06:19:22 8.0 0.32 70 PPM 184977 02:45:46.4 -06:38:38 9.4 0.04 70 14SP373 02:45:37.3 -06:37:43 16.8 71 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 14SP373, (2021/10/15 18:37UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 36.03 103 68Omi Cet 02:19:20.8 -02:58:45 2.0 7.31 65 80 Cet 02:36:00.0 -07:49:55 5.5 2.39 68 PPM 184967 02:44:09.2 -06:24:50 8.0 0.32 70 PPM 184977 02:44:41.6 -06:44:06 9.4 0.04 70 14SP373 02:44:32.6 -06:43:12 16.8 70 Positions are for J2000
Event circumstances last updated at 2021/10/06 01:03:58 UT
Marc W. Buie, Southwest Research Institute